W520 corei7 2720QM - 1 core is throttled under load!

Hi all,
I've been using my w520 for almost 2 years. It ran really great until recenty (these 2 weeks), I noticed that the core 2 & 3 constantly ran 20 degreer higher than core 0 and 1 under stress (i.e. wPrime) - please see img1 below as the screen shot of CPUID that shows the temperature under load.
In HWiNFO64 (img2) also shows that the core 3 was THROTTLED under stress.
All cores look fine after wPrime finished (img3).
Here's the configuration: corei7 2720QM, 1000M, 8GB ram, 500HD.
I just updated the bios to ver 1.38 in December, I'm not sure whether this is the cause of the 1 core throttle or not.
Has anyone experienced the same thing? Or does it sound like a CPU failure to you?
Thanks!!
Jan
img1 - CPUID
Link to image 1
img2 - HWiNFO64 system running wPrime
Link to image 2
img3 - HWiNFO64 wPrime finished
Link to image 3
Moderator comment: Image(s) >50KB converted to link(s). Community Rules.

Ok, I've reverted the BIOS back to ver 1.36 and then 1.32, the same throttling is still happening when running wPrime. Core 2 and 3 are consistently 20c higher than others when under load ...
I recall that the temperature on all the cores under load was like 85c max before ... and the machine was able to complete wPrime 32M under 10s, now it takes >11s everytime due to the throttling.
I've called Lenovo support 2 days ago, they said their safety team will contact me as it sounds like an overheating issue. However, i still haven't recevied any call from them ...
Can any tech. support from Lenovo help on this issue please?
Thanks!!

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Cache and/or Connection problems under load

I have a Kodo web app that's been running just fine in
production for many months now. However, recently the web
traffic has shot up by a huge amount, literally overnight.
But unfortunately, it's caused the app to fail very ungracefully
under the strain.
It's been a crazy few days, and I haven't been able to do
very much analysis because of higher priorities. But from
what I have been able to gleen, it now looks like Kodo is
the most likely culprit. From what I've read in other messages
here, it appears others may have been experiencing similar
problems.
My environment: Redhat Linux 8, Postgres 7.3.4 with the
included JDBC3 driver, Apache 1.3.x, Tomcat 4.1.x and the
webapp connector. Similar behavior was seen with Apache 2.x,
Tomcat 4.1.x and the JK2 connector (that was on the new machine
I setup to handle the new traffic, which, of course, died the
night before).
As I mentioned, this app has been running reliably for
months with no problems. But when placed under heavy load,
it appears to get into some sort of pathological state where
it slows down dramatically (asymptotically?) to the point where
it's effectively locked up. In one case, where the app was
left running for several hours in this state, requests were
taking 90 minutes to complete (normal is 1-5 seconds).
From what I can deduce, there seem to be four things
going on, three of which have been mentioned in recent threads
here:
1) Excessive memory consumption. When the app is
operating normally, I see fairly flat memory usage for
the JVM process. Under load, the JVM steadily expands
until it hits its heap limit. I've gotten OutOfMemory
exceptions with a heap size of 350MB, which should be plenty.
2) Level 2 cache locking issues. I've seen dozens of
threads waiting on a lock in the DataCache code. Not sure
if there's a deadlock happening here or just that the
threads are waiting on a lock that's being held for a long time.
3) Database Connection leaks or contention. I see threads
spinning in the DataSource code trying to get a connection.
I also see dozens of connections from the Postgres side which
seem to be sitting idle, but in the middle of a transaction.
When things get bad, I also see exceptions being thrown because
of timeouts waiting for a connection to become available. It's
a web app, PMs should not be tied up for more than a few seconds.
4) CPU usage pegged or nearly so for the JVM. I suspect
this is related to #3. Something very bad is going on here.
If I stop all inbound requests to the JVM when it's in this
bad state, it will continue to burn CPU at 90%+ for a very
long time. I think it will eventually finish what it's doing,
but I haven't had the luxury of waiting for it. It's definitely
not a linear slowdown proportional to the load.
Attached are my kodo.properties file and some thread stack
traces along with some comments. Any advice would be greatly
appreciated. This is not a complicated app nor am I doing
anything unusual. It doesn't seem logical that Kodo could
breakdown so dramatically under load, so I'm hoping it's some
sort of interaction thing that I can work around.
Thanks.
Ron Hitchens {mailto:[email protected]} RonSoft Technologies
(510) 494-9597 (Home Office) http://www.ronsoft.com
(707) 924-3878 (fax) Bit Twiddling At Its Finest
"Born with a broken heart" -Kenny Wayne Shepard

Please read prior posts regarding level 2 cache. It is unusable under stress
as far I am concerned. Basically entire cache gets locked on any database
read. Makes it very unscalable
Are you using 2.5.3? It will request a connection from a pool every time it
resolves reference to a PC even if it is cached in PM and therefore Kodo
does not need to read any. As result if you iterate over 100 objects in your
query and for each object resolve reference to another object (always the
same) kodo will request 100 database connections from the pool (and note
they issue rollback on every time they return a connection to the pool so
getting connection might be fairly expensive)
In conjunction with level 2 cache contention this causes application to go
into a stupor.
Try to go back to 2.5.2 (or may be 2.5.4 they promised in the near future
with a workaround) or use "persistent-manager" connection retention if you
discard PM after each HTTP invocation - it will take care of connection
pooling issue. As far as L2 cache I was unable to find any work around so
far - see if you might be better of without cache. You might if your object
graph is not very complex
"Ron Hitchens" <[email protected]> wrote in message
news:[email protected]...
>
I have a Kodo web app that's been running just fine in
production for many months now. However, recently the web
traffic has shot up by a huge amount, literally overnight.
But unfortunately, it's caused the app to fail very ungracefully
under the strain.
It's been a crazy few days, and I haven't been able to do
very much analysis because of higher priorities. But from
what I have been able to gleen, it now looks like Kodo is
the most likely culprit. From what I've read in other messages
here, it appears others may have been experiencing similar
problems.
My environment: Redhat Linux 8, Postgres 7.3.4 with the
included JDBC3 driver, Apache 1.3.x, Tomcat 4.1.x and the
webapp connector. Similar behavior was seen with Apache 2.x,
Tomcat 4.1.x and the JK2 connector (that was on the new machine
I setup to handle the new traffic, which, of course, died the
night before).
As I mentioned, this app has been running reliably for
months with no problems. But when placed under heavy load,
it appears to get into some sort of pathological state where
it slows down dramatically (asymptotically?) to the point where
it's effectively locked up. In one case, where the app was
left running for several hours in this state, requests were
taking 90 minutes to complete (normal is 1-5 seconds).
From what I can deduce, there seem to be four things
going on, three of which have been mentioned in recent threads
here:
1) Excessive memory consumption. When the app is
operating normally, I see fairly flat memory usage for
the JVM process. Under load, the JVM steadily expands
until it hits its heap limit. I've gotten OutOfMemory
exceptions with a heap size of 350MB, which should be plenty.
2) Level 2 cache locking issues. I've seen dozens of
threads waiting on a lock in the DataCache code. Not sure
if there's a deadlock happening here or just that the
threads are waiting on a lock that's being held for a long time.
3) Database Connection leaks or contention. I see threads
spinning in the DataSource code trying to get a connection.
I also see dozens of connections from the Postgres side which
seem to be sitting idle, but in the middle of a transaction.
When things get bad, I also see exceptions being thrown because
of timeouts waiting for a connection to become available. It's
a web app, PMs should not be tied up for more than a few seconds.
4) CPU usage pegged or nearly so for the JVM. I suspect
this is related to #3. Something very bad is going on here.
If I stop all inbound requests to the JVM when it's in this
bad state, it will continue to burn CPU at 90%+ for a very
long time. I think it will eventually finish what it's doing,
but I haven't had the luxury of waiting for it. It's definitely
not a linear slowdown proportional to the load.
Attached are my kodo.properties file and some thread stack
traces along with some comments. Any advice would be greatly
appreciated. This is not a complicated app nor am I doing
anything unusual. It doesn't seem logical that Kodo could
breakdown so dramatically under load, so I'm hoping it's some
sort of interaction thing that I can work around.
Thanks.
Ron Hitchens {mailto:[email protected]} RonSoft Technologies
(510) 494-9597 (Home Office) http://www.ronsoft.com
(707) 924-3878 (fax) Bit Twiddling At Its Finest
"Born with a broken heart" -Kenny Wayne Shepard
With cahce enabled, 2.5.3
Here the app had recently slowed down and then effectively locked up.
There where many outstanding web requests that were not receiving output.
At this point most threads seemed to be waiting at the same location.
There were a large number of active database connections and most of
them had open transactions (according to pg_stat_activity). The app
was not responding to any web requests.
It would seem that db transactions had been started, then the thread
got stuck for a long time on a synchronization lock in the cache lookup.
Below are two randomly chosen thread stack dumps.
Thread-72[1] where
[1] java.lang.Object.wait (native method)
[2] java.lang.Object.wait (Object.java:429)
[3]oswego.cs.dl.util.concurrent.WriterPreferenceReadWriteLock$ReaderLock.acquir
e (WriterPreferenceReadWriteLock.java:169)
[4]com.solarmetric.kodo.runtime.datacache.AbstractCacheImpl.acquireReadLock
(AbstractCacheImpl.java:384)
[5]com.solarmetric.kodo.runtime.datacache.TimedDataCache.acquireReadLock
(TimedDataCache.java:256)
[6] com.solarmetric.kodo.runtime.datacache.DataCacheStoreManager.load(DataCacheStoreManager.java:595)
[7] com.solarmetric.kodo.runtime.StateManagerImpl.loadFields(StateManagerImpl.java:2,330)
[8] com.solarmetric.kodo.runtime.StateManagerImpl.isLoaded(StateManagerImpl.java:897)
[9] com.europeasap.data.City.jdoGetname (null)
[10] com.europeasap.data.City.getName (City.java:39)
[11] com.europeasap.form.CustomerBookingForm.populateDepartureCityInfo(CustomerBookingForm.java:922)
[12] com.europeasap.form.CustomerBookingForm.onetimeInit(CustomerBookingForm.java:871)
[13] com.europeasap.form.CustomerBookingForm.populatePackageInfo(CustomerBookingForm.java:880)
[14] com.europeasap.action.CustomizeTrip.perform (CustomizeTrip.java:66)
[15] org.apache.struts.action.ActionServlet.processActionPerform(ActionServlet.java:1,787)
[16] org.apache.struts.action.ActionServlet.process(ActionServlet.java:1,586) [17]
org.apache.struts.action.ActionServlet.doGet (ActionServlet.java:492)
[18] javax.servlet.http.HttpServlet.service (HttpServlet.java:740)
[19] javax.servlet.http.HttpServlet.service (HttpServlet.java:853)
[20] org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
[21] org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
[22] org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:260)
[23]org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext (StandardPipeline.java:643)
[24] org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
[25] org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
[26] org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
[27]org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext (StandardPipeline.java:643)
[28] org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493)
[29]org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext (StandardPipeline.java:641)
[30] org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
[31] org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
[32] org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2,415)
[33] org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
[34]org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext (StandardPipeline.java:643)
[35] org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170)
[36]org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext (StandardPipeline.java:641)
[37] org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172)
[38]org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext (StandardPipeline.java:641)
[39] org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
[40] org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
[41] org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
[42]org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext (StandardPipeline.java:643)
[43] org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
[44] org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
[45] org.apache.catalina.connector.warp.WarpRequestHandler.handle (null)
[46] org.apache.catalina.connector.warp.WarpConnection.run (null)
[47] java.lang.Thread.run (Thread.java:534)
Thread-64[1] where
[1] java.lang.Object.wait (native method)
[2] java.lang.Object.wait (Object.java:429)
[3]oswego.cs.dl.util.concurrent.WriterPreferenceReadWriteLock$ReaderLock.acquir
e (WriterPreferenceReadWriteLock.java:169)
[4]com.solarmetric.kodo.runtime.datacache.AbstractCacheImpl.acquireReadLock
(AbstractCacheImpl.java:384)
[5]com.solarmetric.kodo.runtime.datacache.TimedDataCache.acquireReadLock
(TimedDataCache.java:256)
[6] com.solarmetric.kodo.runtime.datacache.DataCacheStoreManager.load(DataCacheStoreManager.java:595)
[7] com.solarmetric.kodo.runtime.StateManagerImpl.loadField(StateManagerImpl.java:2,248)
[8] com.solarmetric.kodo.runtime.StateManagerImpl.isLoaded(StateManagerImpl.java:899)
[9] com.europeasap.data.HotelPrices.jdoGetseasonalPrices (null)
[10] com.europeasap.data.HotelPrices.normalizeIndex(HotelPrices.java:113)
[11] com.europeasap.data.HotelPrices.getCost (HotelPrices.java:45)
[12] com.europeasap.logic.CostHelper.findLowestHotel(CostHelper.java:181)
[13] com.europeasap.logic.CostHelper.computeBasePackageCost(CostHelper.java:297)
[14] com.europeasap.logic.CostHelper.computeFinalPackageCost(CostHelper.java:246)
[15] com.europeasap.form.CustomerBookingForm.updateDisplayCosts(CustomerBookingForm.java:1,440)
[16] com.europeasap.form.CustomerBookingForm.updateCustomizeDisplayInfo(CustomerBookingForm.java:1,407)
[17] com.europeasap.action.CustomizeTrip.perform (CustomizeTrip.java:68)
[18] org.apache.struts.action.ActionServlet.processActionPerform(ActionServlet.java:1,787)
[19] org.apache.struts.action.ActionServlet.process(ActionServlet.java:1,586) [20]
org.apache.struts.action.ActionServlet.doGet (ActionServlet.java:492)
[21] javax.servlet.http.HttpServlet.service (HttpServlet.java:740)
[22] javax.servlet.http.HttpServlet.service (HttpServlet.java:853)
[23] org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
[24] org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
[25] org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:260)
[26]org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext (StandardPipeline.java:643)
[27] org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
[28] org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
[29] org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
[30]org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext (StandardPipeline.java:643)
[31] org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493)
[32]org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext (StandardPipeline.java:641)
[33] org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
[34] org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
[35] org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2,415)
[36] org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
[37]org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext (StandardPipeline.java:643)
[38] org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170)
[39]org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext (StandardPipeline.java:641)
[40] org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172)
[41]org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext (StandardPipeline.java:641)
[42] org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
[43] org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
[44] org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
[45]org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext (StandardPipeline.java:643)
[46] org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
[47] org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
[48] org.apache.catalina.connector.warp.WarpRequestHandler.handle (null)
[49] org.apache.catalina.connector.warp.WarpConnection.run (null)
[50] java.lang.Thread.run (Thread.java:534)
while running slow, 2.5.3
At this point, the app had been running several hours normally, then
apparently slowed down and locked up while I was away. When looking
at the app threads and database activity, everything appeared idle.
No transactions seemed to be open in the db. But the app was not
behaving normally. Web requests that did not make use of JDO worked
fine (but slow). But requests that hit the db either blocked or were
very slow to respond.
Looking back at the log, there had been a large number of requests
that threw exceptions because they could not get a connection within
five seconds.
Most threads were idle, waiting on read, but some were in the state
shown by the following two stack dumps. Unlike the cache threads above,
they did not seem to be waiting for a lock to be granted, they seemed
to be spinning in the connection management code. Apparently trying
to get a connection. I suspended and resumed the same thread repeatedly
and it always seemd to be doing the same thing. Single stepping was
very difficult because the debugger was slow to respond, apparently
because of other threads also busy spinning.
Postgres indicated that there where lots of connections open and
that they were all idle, so there should not have been a shortage
of connections in the pool. There are two mysteries here: 1) why
can't this thread get a connection? and 2) Why is it busy spinning?
Thread-56[1] where
[1]com.solarmetric.datasource.PreparedStatementCache$CacheAwareConnection.prepa
reStatement (PreparedStatementCache.java:184)
[2]com.solarmetric.datasource.PreparedStatementCache$CacheAwareConnection.prepa
reStatement (PreparedStatementCache.java:169)
[3] com.solarmetric.datasource.ConnectionWrapper.prepareStatement(ConnectionWrapper.java:199)
[4]com.solarmetric.kodo.impl.jdbc.schema.dict.AbstractDictionary.isClosed
(AbstractDictionary.java:1,912)
[5]com.solarmetric.kodo.impl.jdbc.SQLExecutionManagerImpl.getConnectionFromFact
ory (SQLExecutionManagerImpl.java:186)
[6] com.solarmetric.kodo.impl.jdbc.SQLExecutionManagerImpl.getConnection(SQLExecutionManagerImpl.java:147)
[7]com.solarmetric.kodo.impl.jdbc.runtime.JDBCStoreManager.newSQLExecutionManag
er (JDBCStoreManager.java:828)
[8]com.solarmetric.kodo.impl.jdbc.runtime.JDBCStoreManager.getSQLExecutionManag
er (JDBCStoreManager.java:714)
[9]com.solarmetric.kodo.impl.jdbc.runtime.JDBCStoreManager.getDatastoreConnecti
on (JDBCStoreManager.java:287)
[10]com.solarmetric.kodo.runtime.datacache.DataCacheStoreManager.getDatastoreCon
nection (DataCacheStoreManager.java:465)
[11] com.solarmetric.kodo.runtime.datacache.DataCacheStoreManager.load(DataCacheStoreManager.java:591)
[12] com.solarmetric.kodo.runtime.StateManagerImpl.loadFields(StateManagerImpl.java:2,330)
[13] com.solarmetric.kodo.runtime.StateManagerImpl.isLoaded(StateManagerImpl.java:897)
[14] com.europeasap.data.City.jdoGetname (null)
[15] com.europeasap.data.City.getName (City.java:39)
[16] com.europeasap.form.CustomerBookingForm.populateDepartureCityInfo(CustomerBookingForm.java:922)
[17] com.europeasap.form.CustomerBookingForm.onetimeInit(CustomerBookingForm.java:871)
[18] com.europeasap.form.CustomerBookingForm.populatePackageInfo(CustomerBookingForm.java:880)
[19] com.europeasap.action.CustomizeTrip.perform (CustomizeTrip.java:66)
[20] org.apache.struts.action.ActionServlet.processActionPerform(ActionServlet.java:1,787)
[21] org.apache.struts.action.ActionServlet.process(ActionServlet.java:1,586) [22]
org.apache.struts.action.ActionServlet.doGet (ActionServlet.java:492)
[23] javax.servlet.http.HttpServlet.service (HttpServlet.java:740)
[24] javax.servlet.http.HttpServlet.service (HttpServlet.java:853)
[25] org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
[26] org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
[27] org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:260)
[28]org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext (StandardPipeline.java:643)
[29] org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
[30] org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
[31] org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
[32]org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext (StandardPipeline.java:643)
[33] org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493)
[34]org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext (StandardPipeline.java:641)
[35] org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
[36] org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
[37] org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2,415)
[38] org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
[39]org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext (StandardPipeline.java:643)
[40] org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170)
[41]org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext (StandardPipeline.java:641)
[42] org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172)
[43]org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext (StandardPipeline.java:641)
[44] org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
[45] org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
[46] org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
[47]org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext (StandardPipeline.java:643)
[48] org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
[49] org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
[50] org.apache.catalina.connector.warp.WarpRequestHandler.handle (null)
[51] org.apache.catalina.connector.warp.WarpConnection.run (null)
[52] java.lang.Thread.run (Thread.java:534)
Thread-56[1] where
[1]com.solarmetric.datasource.DataSourceImpl$AbstractPool.findConnection
(DataSourceImpl.java:826)
[2] com.solarmetric.datasource.DataSourceImpl$AbstractPool.getConnection(DataSourceImpl.java:605)
[3] com.solarmetric.datasource.DataSourceImpl.getConnection(DataSourceImpl.java:363)
[4] com.solarmetric.datasource.DataSourceImpl.getConnection(DataSourceImpl.java:356)
[5]com.solarmetric.kodo.impl.jdbc.runtime.DataSourceConnector.getConnection
(DataSourceConnector.java:63)
[6]com.solarmetric.kodo.impl.jdbc.SQLExecutionManagerImpl.getConnectionFromFact
ory (SQLExecutionManagerImpl.java:185)
[7] com.solarmetric.kodo.impl.jdbc.SQLExecutionManagerImpl.getConnection(SQLExecutionManagerImpl.java:147)
[8]com.solarmetric.kodo.impl.jdbc.runtime.JDBCStoreManager.newSQLExecutionManag
er (JDBCStoreManager.java:828)
[9]com.solarmetric.kodo.impl.jdbc.runtime.JDBCStoreManager.getSQLExecutionManag
er (JDBCStoreManager.java:714)
[10]com.solarmetric.kodo.impl.jdbc.runtime.JDBCStoreManager.getDatastoreConnecti
on (JDBCStoreManager.java:287)
[11]com.solarmetric.kodo.runtime.datacache.DataCacheStoreManager.getDatastoreCon
nection (DataCacheStoreManager.java:465)
[12]com.solarmetric.kodo.runtime.datacache.DataCacheStoreManager.initialize
(DataCacheStoreManager.java:519)
[13] com.solarmetric.kodo.runtime.StateManagerImpl.loadInitialState(StateManagerImpl.java:215)
[14]com.solarmetric.kodo.runtime.PersistenceManagerImpl.getObjectByIdFilter
(PersistenceManagerImpl.java:1,278)
[15] com.solarmetric.kodo.runtime.PersistenceManagerImpl.getObjectById(PersistenceManagerImpl.java:1,179)
[16]com.solarmetric.kodo.runtime.datacache.query.CacheAwareQuery$CachedResultLis
t.get (CacheAwareQuery.java:432)
[17] java.util.AbstractList$Itr.next (AbstractList.java:421)
[18] com.europeasap.form.CustomerBookingForm.populateDepartureCityInfo(CustomerBookingForm.java:919)
[19] com.europeasap.form.CustomerBookingForm.onetimeInit(CustomerBookingForm.java:871)
[20] com.europeasap.form.CustomerBookingForm.populatePackageInfo(CustomerBookingForm.java:880)
[21] com.europeasap.action.CustomizeTrip.perform (CustomizeTrip.java:66)
[22] org.apache.struts.action.ActionServlet.processActionPerform(ActionServlet.java:1,787)
[23] org.apache.struts.action.ActionServlet.process(ActionServlet.java:1,586) [24]
org.apache.struts.action.ActionServlet.doGet (ActionServlet.java:492)
[25] javax.servlet.http.HttpServlet.service (HttpServlet.java:740)
[26] javax.servlet.http.HttpServlet.service (HttpServlet.java:853)
[27] org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
[28] org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
[29] org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:260)
[30]org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext (StandardPipeline.java:643)
[31] org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
[32] org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
[33] org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
[34]org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext (StandardPipeline.java:643)
[35] org.apache.catalina.authenticator.AuthenticatorBase.invoke(AuthenticatorBase.java:493)
[36]org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext (StandardPipeline.java:641)
[37] org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
[38] org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
[39] org.apache.catalina.core.StandardContext.invoke(StandardContext.java:2,415)
[40] org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:180)
[41]org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext (StandardPipeline.java:643)
[42] org.apache.catalina.valves.ErrorDispatcherValve.invoke(ErrorDispatcherValve.java:170)
[43]org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext (StandardPipeline.java:641)
[44] org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:172)
[45]org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext (StandardPipeline.java:641)
[46] org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
[47] org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
[48] org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:174)
[49]org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext (StandardPipeline.java:643)
[50] org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
[51] org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
[52] org.apache.catalina.connector.warp.WarpRequestHandler.handle (null)
[53] org.apache.catalina.connector.warp.WarpConnection.run (null)
[54] java.lang.Thread.run (Thread.java:534)
With cache disabled 2.4.3
This run was an accident. I inadvertently ran the app with the older
2.4.3 version of Kodo, with the cache disabled. This one got into trouble
almost immediately. It also seemed to lockup with lots of opentransactions
in the db. It's also interesting that these two threads also seem to be
hanging around the same method as in 2.5.3.
Thread-63[1] where 0x9f9
[1]com.solarmetric.datasource.PreparedStatementCache$CacheAwareConnection.prepa
reStatement (PreparedStatementCache.java:184)
[2] com.solarmetric.datasource.ConnectionWrapper.prepareStatement(ConnectionWrapper.java:377)
[3]com.solarmetric.kodo.impl.jdbc.SQLExecutionManagerImpl.prepareStatementInter
nal (SQLExecutionManagerImpl.java:807)
[4]com.solarmetric.kodo.impl.jdbc.SQLExecutionManagerImpl.executePreparedQueryI
nternal (SQLExecutionManagerImpl.java:761)
[5]com.solarmetric.kodo.impl.jdbc.SQLExecutionManagerImpl.executeQueryInternal
(SQLExecutionManagerImpl.java:691)
[6] com.solarmetric.kodo.impl.jdbc.SQLExecutionManagerImpl.executeQuery(SQLExecutionManagerImpl.java:372)
[7] com.solarmetric.kodo.impl.jdbc.SQLExecutionManagerImpl.executeQuery(SQLExecutionManagerImpl.java:356)
[8] com.solarmetric.kodo.impl.jdbc.ormapping.ClassMapping.loadByPK(ClassMapping.java:950)
[9] com.solarmetric.kodo.impl.jdbc.runtime.JDBCStoreManager.initialize(JDBCStoreManager.java:263)
[10] com.solarmetric.kodo.runtime.StateManagerImpl.loadInitialState(StateManagerImpl.java:174)
[11]com.solarmetric.kodo.runtime.PersistenceManagerImpl.getObjectByIdFilter
(PersistenceManagerImpl.java:1,023)
[12] com.solarmetric.kodo.runtime.PersistenceManagerImpl.getObjectById(PersistenceManagerImpl.java:942)
[13] com.solarmetric.kodo.impl.jdbc.ormapping.OneToOneMapping.load(OneToOneMapping.java:147)
[14] com.solarmetric.kodo.impl.jdbc.runtime.JDBCStoreManager.load(JDBCStoreManager.java:375)
[15] com.solarmetric.kodo.runtime.StateManagerImpl.loadField(StateManagerImpl.java:2,035)
[16] com.solarmetric.kodo.runtime.StateManagerImpl.isLoaded(StateManagerImpl.java:720)
[17] com.europeasap.data.CityMarkup.jdoGetcity (null)
[18] com.europeasap.data.CityMarkup.getCity (CityMarkup.java:30)
[19] com.europeasap.logic.CostHelper.getCityMarkup (CostHelper.java:81)
[20] com.europeasap.logic.CostHelper.computeBasePackageCost(CostHelper.java:289)
[21] com.europeasap.logic.CostHelper.computeFinalPackageCost(CostHelper.java:246)
[22] com.europeasap.form.CustomerBookingForm.updateDisplayCosts(CustomerBookingForm.java:1,440)
[23] com.europeasap.form.CustomerBookingForm.updateCustomizeDisplayInfo(CustomerBookingForm.java:1,407)
[24] com.europeasap.action.CustomizeTrip.perform (CustomizeTrip.java:68)
[25] org.apache.struts.action.ActionServlet.processActionPerform(ActionServlet.java:1,787)
[26] org.apache.struts.action.ActionServlet.process(ActionServlet.java:1,586) [27]
org.apache.struts.action.ActionServlet.doPost (ActionServlet.java:510)
[28] javax.servlet.http.HttpServlet.service (HttpServlet.java:760)
[29] javax.servlet.http.HttpServlet.service (HttpServlet.java:853)
[30] org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:247)
[31] org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:193)
[32] org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:260)
[33]org.apache.catalina.core.StandardPipeline$StandardPipelineValveContext.invok
eNext (StandardPipeline.java:643)
[34] org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:480)
[35] org.apache.catalina.core.ContainerBase.invoke(ContainerBase.java:995)
[36] org.apache.catal

WL server failed to response under load

Hi
We have a quite strange situation on my sight. Under load our WL 10.3.2 server failed to response. We are using RestEasy with HttpClient version 3.1 to coordinate with web service deployed as WAR.
What we have is a calculation process that run on 4 containers based on 4 physical machines and each of them send request to WL during calculation.
Each run we see a messages from HttpClient like this:
[THREAD1] INFO   I/O exception (org.apache.commons.httpclient.NoHttpResponseException) caught when processing request: The server OUR_SERVER_NAME failed to respond
[THREAD1] INFO   Retrying request
The HttpClient make several requests until get necessary data.
I want to understand why WL can refuse connections. I read about WL thread pool that process http request and understand that WL allocate separate thread to process web request and the numbers of threads is not bounded in default configuration. Also our server is configured Maximum Open Sockets: -1 which means that the number of open sockets is unlimited.
From this thread I'd want to understand where the issue is? Is it on WL side or it's a problem of our business logic? Can you guys help to deeper investigate the situation.
What should I check more in order to understand that our WL server is configured to work with as much requests as we want?

Thanks for a good explanation!
Linux server it's not in my competencies but what we have now is:
root    soft    nofile 3072
root    hard    nofile 65536
So the upper number is really big. As I understood it's a config for whole processes in operation system.
But I go further and find these numbers for our WL managed server.
cat /proc/23085/limits
Limit                     Soft Limit           Hard Limit           Units
Max cpu time              unlimited            unlimited            seconds
Max file size             unlimited            unlimited            bytes
Max data size             unlimited            unlimited            bytes
Max stack size            10485760             unlimited            bytes
Max core file size        0                    unlimited            bytes
Max resident set          unlimited            unlimited            bytes
Max processes             578455               578455               processes
Max open files            8192                 8192                 files
Max locked memory         32768                32768                bytes
Max address space         unlimited            unlimited            bytes
Max file locks            unlimited            unlimited            locks
Max pending signals       578455               578455               signals
Max msgqueue size         819200               819200               bytes
Max nice priority         0                    0
Max realtime priority     0                    0
Again it's only a config numbers. If continue moving in this direction I'd want to see the real numbers when the server is under load. So finding these numbers I would make an assumption that the issue is here. Don't you know is there a log file or history file where I can find a max open file descriptors for WL server?

E520 Overheating 60 degrees idle 90 degrees under load

Hello all, I have had my edge E520 for quite a few years and now I believe that it may be thermal throttling games and applications etc.
At idle it runs at around 50-60 degrees Idle, and under load it can reach anywhere upto 93-4 degrees Celcius.
New compound has been applied bi-annually on this latop for it's whole lifetime. Is the heatsink no longer doing it's job? It's dust free. The fan seems to working fine on the heatsink, so I don't know where else to look at.
Cheers, Matt.

Well you should not count those in the power supply. Typically to balance you would want to have the same volume of air coming in as is going out. So if the 120's are both the same and both 80's are the same then you would get better airflow having an 80 and a 120 on intake and then repeat on the outtake side. Ideally then if you have a fan controller you would want both 80's chained ton one control and both 120's chained to another. That way when you controil fan speeds you will stay balanced. Note though you need a good fan controller to do this and you will have to check ratings to see if you can tie the fans together without overloading the controller.

Late 2012 iMac 27" reboots while under load - please help!

It seems that every time I put my iMac under load, usually GPU load, such as in playing games or watching movies - I get a kernel panic and the system reboots.
I need help deciphering the dump. The iMac has been doing this for the last few months and it seems to be getting worse. Here are two kernel panics from today. I was watching an mkv and copying (via terminal) a lot of files.
nonymous UUID:       A35A30DB-8357-6083-0F47-759DB4F1FD92
Sun Feb 15 23:25:34 2015
*** Panic Report ***
panic(cpu 2 caller 0xffffff802761a46e): Kernel trap at 0xffffff80275ce257, type 14=page fault, registers:
CR0: 0x0000000080010033, CR2: 0xffffff8fcbbcca2c, CR3: 0x0000000005efd03b, CR4: 0x00000000001626e0
RAX: 0x00000000ffffff83, RBX: 0x0000000000000004, RCX: 0x00000002fffffe89, RDX: 0xffffff83cbbcd000
RSP: 0xffffff83cc3838d0, RBP: 0xffffff83cc383910, RSI: 0xffffff8027cddd48, RDI: 0xffffff8027cddd48
R8: 0xffffff83cc383af4, R9: 0xffffff83cc383af8, R10: 0xffffff7fa962ec88, R11: 0x0000000000000000
R12: 0xffffff80764d3d20, R13: 0x0000000000000000, R14: 0xffffff8027cddd48, R15: 0xffffff8027cde6c0
RFL: 0x0000000000010282, RIP: 0xffffff80275ce257, CS: 0x0000000000000008, SS: 0x0000000000000010
Fault CR2: 0xffffff8fcbbcca2c, Error code: 0x0000000000000000, Fault CPU: 0x2
Backtrace (CPU 2), Frame : Return Address
0xffffff83cc383580 : 0xffffff802752fe41
0xffffff83cc383600 : 0xffffff802761a46e
0xffffff83cc3837c0 : 0xffffff8027636683
0xffffff83cc3837e0 : 0xffffff80275ce257
0xffffff83cc383910 : 0xffffff80275bd25f
0xffffff83cc383960 : 0xffffff80275e0966
0xffffff83cc383990 : 0xffffff8027ae6507
0xffffff83cc3839f0 : 0xffffff8027ae622e
0xffffff83cc383a30 : 0xffffff7fa96449ea
0xffffff83cc383a60 : 0xffffff7fa9626433
0xffffff83cc383a90 : 0xffffff7fa962ee57
0xffffff83cc383ad0 : 0xffffff8027aff00c
0xffffff83cc383b60 : 0xffffff8027b01163
0xffffff83cc383bc0 : 0xffffff8027afe9c3
0xffffff83cc383d00 : 0xffffff80275e4a87
0xffffff83cc383e10 : 0xffffff8027533f8c
0xffffff83cc383e40 : 0xffffff8027518a93
0xffffff83cc383e90 : 0xffffff80275293bd
0xffffff83cc383f10 : 0xffffff80276059fa
0xffffff83cc383fb0 : 0xffffff8027636ea6
      Kernel Extensions in backtrace:
         com.apple.iokit.IOAcceleratorFamily2(156.6)[3CD19A58-C154-33E1-8466-30BF06B8F39 B]@0xffffff7fa960e000->0xffffff7fa967afff
            dependency: com.apple.iokit.IOPCIFamily(2.9)[56AD16B5-4F29-3F74-93E7-D492B3966DE2]@0xffffff 7fa7d24000
            dependency: com.apple.iokit.IOGraphicsFamily(2.4.1)[619F6C9F-0461-3BA1-A75F-53BB0F87ACD3]@0 xffffff7fa7fec000
BSD process name corresponding to current thread: WindowServer
Mac OS version:
14C109
Kernel version:
Darwin Kernel Version 14.1.0: Mon Dec 22 23:10:38 PST 2014; root:xnu-2782.10.72~2/RELEASE_X86_64
Kernel UUID: DCF5C2D5-16AE-37F5-B2BE-ED127048DFF5
Kernel slide:     0x0000000027200000
Kernel text base: 0xffffff8027400000
__HIB text base: 0xffffff8027300000
System model name: iMac13,2 (Mac-FC02E91DDD3FA6A4)
System uptime in nanoseconds: 23275175264019
last loaded kext at 17572790019336: com.apple.driver.AppleUSBCDC 4.2.2b5 (addr 0xffffff7faa232000, size 20480)
last unloaded kext at 17781435420147: com.apple.driver.AppleUSBCDC 4.2.2b5 (addr 0xffffff7faa232000, size 16384)
loaded kexts:
com.apple.filesystems.exfat 1.4
com.apple.iokit.IOUSBAttachedSCSI 1.1.0
com.apple.filesystems.afpfs 11.0
com.apple.nke.asp-tcp 8.0.0
com.apple.driver.AudioAUUC 1.70
com.apple.driver.AppleHWSensor 1.9.5d0
com.apple.driver.AGPM 100.15.5
com.apple.driver.ApplePlatformEnabler 2.1.7d1
com.apple.driver.X86PlatformShim 1.0.0
com.apple.filesystems.autofs 3.0
com.apple.driver.AppleBluetoothMultitouch 85.3
com.apple.iokit.IOBluetoothSerialManager 4.3.2f6
com.apple.driver.AppleMikeyHIDDriver 124
com.apple.driver.AppleOSXWatchdog 1
com.apple.driver.AppleMikeyDriver 269.25
com.apple.driver.AppleHDA 269.25
com.apple.driver.AppleUpstreamUserClient 3.6.1
com.apple.iokit.IOUserEthernet 1.0.1
com.apple.GeForce 10.0.2
com.apple.Dont_Steal_Mac_OS_X 7.0.0
com.apple.driver.AppleIntelHD4000Graphics 10.0.2
com.apple.driver.AppleHWAccess 1
com.apple.driver.AppleBacklight 170.5.0
com.apple.iokit.BroadcomBluetoothHostControllerUSBTransport 4.3.2f6
com.apple.driver.AppleSMCLMU 2.0.7d0
com.apple.driver.AppleHV 1
com.apple.driver.AppleMCCSControl 1.2.11
com.apple.driver.AppleLPC 1.7.3
com.apple.driver.AppleIntelFramebufferCapri 10.0.2
com.apple.driver.AppleThunderboltIP 2.0.2
com.apple.iokit.SCSITaskUserClient 3.7.3
com.apple.driver.AppleUSBODD 3.5.1
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless 1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0d1
com.apple.BootCache 35
com.apple.driver.XsanFilter 404
com.apple.iokit.IOAHCIBlockStorage 2.7.0
com.apple.driver.AppleSDXC 1.6.5
com.apple.driver.AppleUSBHub 705.4.2
com.apple.iokit.AppleBCM5701Ethernet 10.1.3
com.apple.driver.AirPort.Brcm4360 910.26.12
com.apple.driver.AppleAHCIPort 3.1.0
com.apple.driver.AppleUSBEHCI 705.4.14
com.apple.driver.AppleUSBXHCI 710.4.11
com.apple.driver.AppleRTC 2.0
com.apple.driver.AppleACPIButtons 3.1
com.apple.driver.AppleHPET 1.8
com.apple.driver.AppleSMBIOS 2.1
com.apple.driver.AppleACPIEC 3.1
com.apple.driver.AppleAPIC 1.7
com.apple.driver.AppleIntelCPUPowerManagementClient 218.0.0
com.apple.nke.applicationfirewall 161
com.apple.security.quarantine 3
com.apple.security.TMSafetyNet 8
com.apple.driver.AppleIntelCPUPowerManagement 218.0.0
com.apple.iokit.IOSCSIBlockCommandsDevice 3.7.3
com.apple.security.SecureRemotePassword 1.0
com.apple.driver.AppleBluetoothHIDKeyboard 176.2
com.apple.driver.AppleHIDKeyboard 176.2
com.apple.kext.triggers 1.0
com.apple.driver.IOBluetoothHIDDriver 4.3.2f6
com.apple.driver.AppleMultitouchDriver 262.33.1
com.apple.iokit.IOSerialFamily 11
com.apple.driver.DspFuncLib 269.25
com.apple.kext.OSvKernDSPLib 1.15
com.apple.nvidia.driver.NVDAGK100Hal 10.0.2
com.apple.nvidia.driver.NVDAResman 10.0.2
com.apple.iokit.IOSurface 97
com.apple.driver.AppleBacklightExpert 1.1.0
com.apple.iokit.IONDRVSupport 2.4.1
com.apple.iokit.IOBluetoothHostControllerUSBTransport 4.3.2f6
com.apple.iokit.IOBluetoothFamily 4.3.2f6
com.apple.driver.X86PlatformPlugin 1.0.0
com.apple.driver.AppleSMBusPCI 1.0.12d1
com.apple.driver.AppleSMBusController 1.0.13d1
com.apple.iokit.IOUSBUserClient 705.4.0
com.apple.driver.IOPlatformPluginFamily 5.8.1d38
com.apple.driver.AppleSMC 3.1.9
com.apple.iokit.IOAcceleratorFamily2 156.6
com.apple.AppleGraphicsDeviceControl 3.8.6
com.apple.driver.AppleHDAController 269.25
com.apple.iokit.IOGraphicsFamily 2.4.1
com.apple.iokit.IOHDAFamily 269.25
com.apple.iokit.IOAudioFamily 203.3
com.apple.vecLib.kext 1.2.0
com.apple.driver.AppleThunderboltEDMSink 4.0.2
com.apple.iokit.IOSCSIMultimediaCommandsDevice 3.7.3
com.apple.iokit.IOBDStorageFamily 1.7
com.apple.iokit.IODVDStorageFamily 1.7.1
com.apple.iokit.IOCDStorageFamily 1.7.1
com.apple.iokit.IOUSBMassStorageClass 3.7.1
com.apple.iokit.IOSCSIArchitectureModelFamily 3.7.3
com.apple.iokit.IOUSBHIDDriver 705.4.0
com.apple.driver.AppleUSBMergeNub 705.4.0
com.apple.driver.AppleUSBComposite 705.4.9
com.apple.driver.CoreStorage 471.10.6
com.apple.driver.AppleThunderboltDPInAdapter 4.0.6
com.apple.driver.AppleThunderboltDPOutAdapter 4.0.6
com.apple.driver.AppleThunderboltDPAdapterFamily 4.0.6
com.apple.driver.AppleThunderboltPCIDownAdapter 2.0.2
com.apple.driver.AppleThunderboltNHI 3.1.7
com.apple.iokit.IOThunderboltFamily 4.2.1
com.apple.iokit.IOEthernetAVBController 1.0.3b3
com.apple.iokit.IO80211Family 710.55
com.apple.driver.mDNSOffloadUserClient 1.0.1b8
com.apple.iokit.IONetworkingFamily 3.2
com.apple.iokit.IOAHCIFamily 2.7.5
com.apple.iokit.IOUSBFamily 710.4.14
com.apple.driver.AppleEFINVRAM 2.0
com.apple.driver.AppleEFIRuntime 2.0
com.apple.iokit.IOHIDFamily 2.0.0
com.apple.iokit.IOSMBusFamily 1.1
com.apple.security.sandbox 300.0
com.apple.kext.AppleMatch 1.0.0d1
com.apple.driver.AppleKeyStore 2
com.apple.driver.AppleMobileFileIntegrity 1.0.5
com.apple.driver.AppleCredentialManager 1.0
com.apple.driver.DiskImages 396
com.apple.iokit.IOStorageFamily 2.0
com.apple.iokit.IOReportFamily 31
com.apple.driver.AppleFDEKeyStore 28.30
com.apple.driver.AppleACPIPlatform 3.1
com.apple.iokit.IOPCIFamily 2.9
com.apple.iokit.IOACPIFamily 1.4
com.apple.kec.corecrypto 1.0
com.apple.kec.Libm 1
com.apple.kec.pthread 1
Model: iMac13,2, BootROM IM131.010A.B05, 4 processors, Intel Core i7, 3.4 GHz, 32 GB, SMC 2.11f16
Graphics: NVIDIA GeForce GTX 680MX, NVIDIA GeForce GTX 680MX, PCIe, 2048 MB
Memory Module: BANK 0/DIMM0, 8 GB, DDR3, 1600 MHz, 0x029E, 0x434D5341384758334D314131363030433131
Memory Module: BANK 1/DIMM0, 8 GB, DDR3, 1600 MHz, 0x029E, 0x434D5341384758334D314131363030433131
Memory Module: BANK 0/DIMM1, 8 GB, DDR3, 1600 MHz, 0x029E, 0x434D5341384758334D314131363030433131
Memory Module: BANK 1/DIMM1, 8 GB, DDR3, 1600 MHz, 0x029E, 0x434D5341384758334D314131363030433131
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0xF4), Broadcom BCM43xx 1.0 (7.15.159.13.12)
Bluetooth: Version 4.3.2f6 15235, 3 services, 27 devices, 1 incoming serial ports
Network Service: Wi-Fi, AirPort, en1
Serial ATA Device: APPLE HDD ST3000DM001, 3 TB
USB Device: Backup+ Desk
USB Device: WingMan Attack 2
USB Device: Hub
USB Device: Apple USB SuperDrive
USB Device: FaceTime HD Camera (Built-in)
USB Device: Hub
USB Device: Hub
USB Device: BRCM20702 Hub
USB Device: Bluetooth USB Host Controller
Thunderbolt Bus: iMac, Apple Inc., 23.4
and here is the second one:
nonymous UUID:       A35A30DB-8357-6083-0F47-759DB4F1FD92
Sun Feb 15 23:54:53 2015
*** Panic Report ***
panic(cpu 2 caller 0xffffff8007c1a46e): Kernel trap at 0xffffff8007c0def7, type 14=page fault, registers:
CR0: 0x000000008001003b, CR2: 0x0000000000006b08, CR3: 0x0000000008b2b001, CR4: 0x00000000001626e0
RAX: 0xffffff804d2110d8, RBX: 0x0000000000000000, RCX: 0x0000000000000000, RDX: 0x0000000000006b00
RSP: 0xffffff83abd93cc0, RBP: 0xffffff83abd93cc0, RSI: 0x0000000000000004, RDI: 0x0000000000006b00
R8: 0xffffff7f8a79e69a, R9: 0x0000000000000000, R10: 0x0000000000005800, R11: 0x00000000000006a0
R12: 0x0000000000006b00, R13: 0x0000000000000004, R14: 0xffffff804d21b5a0, R15: 0x0000000000000000
RFL: 0x0000000000010206, RIP: 0xffffff8007c0def7, CS: 0x0000000000000008, SS: 0x0000000000000010
Fault CR2: 0x0000000000006b08, Error code: 0x0000000000000000, Fault CPU: 0x2
mp = 0xffffff80426ce400, phys = 0x8e6e400, prev (0x7: 0x7913000-0x7a00000)
vp = 0xffffff80426ce400, phys = 0x80fefb5a0, prev (0xb: 0xffe70000-0xffea0000)
0xffffff80426cd000: nQAAAKMAAACrAAAAhJCi0oKDGj94AuoAgqqgoAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAgICAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAEICAGh8KCy4ACkAGAQIAIRMaD4aTotKCgxo /eALqAIKqpCAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAACAoKBgq6oqKgAAAAAAAAAAAAAAAADabEKA////WN8mCKDcJQiA////oIUCQlBKA0LA1ft BUNBsQhiQkAQAAD2AACAAAAAAIAAxZtAVKW/WCgj3+QoLAAABEQAAAGhmcwAvVm9sdW1lcy9UaW1lIE1 hY2hpbmUgQmFja3VwL2Rldi9kaXNrNHMyCLCmUYD///8AACAAAAIAAAAAIAADAAAAABAAAFwEAABqMwk AcGEKAAAAACFw2PtBBAAAAADyUkhgyQxCXFiPAgDQbEIA5GxCgP///zDhgIoIDWhIgP///xB+DEIwPAd CkHgMQlDabEIAgBAEAAAPYAAQAAAAAAgAbBSiK1P+rBUZFvUVAwAALxcAAABhZnBmL1ZvbHVtZXMvVGl tZSBDYXBzdWxlIEhELy9MZWUlMjBIYXJyaXNAQWlycG9ydCUyQ2Fwc3VsZS5fYWZwb3ZlcnRjcC5fdGN wLmxvY2FsLi9UaW1lJTIwQ2Fwc3VsZSUyMEhEAODu7h4OAgwC4OAADQDuDuDu3u6ungoADnD8DzhgvDg HA4AQAP8DDgFjGCAAUfz/N2CqMQcwAAAA
0xffffff80426ce000: lQAAAJ0AAACnAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAIC Amp+KyygACMAIAAgEIRMaDYqTotOGjyqvuAKrAIJqJCAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAICAgAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACAgBofBgsuAAZABhECACETGg2GkqL jgoMZPwACAgACKhgAAAAAAAAAAAAAAAAAAAAAAAiwC0KD////AAAQAAABAAAAABAA/w8AAAEAAADLK/f //////yr0//9hBAAAdSoKAAAAACE/AAAACN7LQsD8UkhweAxCToeFAwDabEIA7mxCvdEAABDweYqI5cx MgP///2CJ0Uyg9WxGwLUhTUBd0kxg5GxCgP///xgQIAAAABAAEAAAAAAABAA4EiMBW4O+AN2OZAA4EiM BW4O+AAcAAAEWAAAAZXhmYS9Wb2x1bWVzL0JsYWNrYm8vZGV2L2Rpc2syczIIamNIgP///wAAEACAAAA AAAABAAAQAAC0BgAA8bQHAAAAACFAW9BDAgAAAEAYbUUwXNJMMqA3MADkbEKA////APhsQtBB54l//// /IN4lCID///9wCOREgAfkRFDubEIAAFAEAAAIAAAEAAAAAgAAAgAALRUAAABhdXRvZnMAAC9ob20A4OD gDg7u7u7+7u4ADJAA4OANAw4O7g7u7j7tAAAAACAEADibA24AAvz/N5DSgQcDgBAAbv8POAQEsDmAGyA AAfwPOmCWAQAA
0xffffff80426cf000: YgAAAGYAAABrAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABAICA gAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAACAgB4fCQcgAACACAAAACETGg2Gk6LjgYMZPwACAgACKggAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAADAgEAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAG1hcCBhdXRvX2hvbYjQ4kSA////AAACAP8PAAAAAAA h/////z8AAAAAZNFEgAfkRCUzkB4A7mxCAAJtQtBB54l/////IN4lCID///9AC+REUPhsQggAUAQAAAg AAAQAAAACAAABAAAtFQAAAGF1dG9mcwAAL25ldC1ob3PAzAAA4A4O7i7gLu7eAg4GZYAAICAEsDmAGyA AAfwPFoCBQTcA
Backtrace (CPU 2), Frame : Return Address
0xffffff83abd93970 : 0xffffff8007b2fe41
0xffffff83abd939f0 : 0xffffff8007c1a46e
0xffffff83abd93bb0 : 0xffffff8007c36683
0xffffff83abd93bd0 : 0xffffff8007c0def7
0xffffff83abd93cc0 : 0xffffff8007d34c26
0xffffff83abd93d30 : 0xffffff7f8a7996a0
0xffffff83abd93d80 : 0xffffff7f8a793bb8
0xffffff83abd93db0 : 0xffffff8007d3fffb
0xffffff83abd93e60 : 0xffffff7f8a793cd3
0xffffff83abd93eb0 : 0xffffff8007d59c2b
0xffffff83abd93ed0 : 0xffffff8007d442b4
0xffffff83abd93f40 : 0xffffff8007d4e4b7
0xffffff83abd93f50 : 0xffffff800804b386
0xffffff83abd93fb0 : 0xffffff8007c36e86
      Kernel Extensions in backtrace:
         com.apple.filesystems.exfat(1.4)[6B0642D6-786C-323D-A762-9FFE6BFABFAF]@0xffffff 7f8a792000->0xffffff7f8a79ffff
BSD process name corresponding to current thread: launchd
Mac OS version:
14C109
Kernel version:
Darwin Kernel Version 14.1.0: Mon Dec 22 23:10:38 PST 2014; root:xnu-2782.10.72~2/RELEASE_X86_64
Kernel UUID: DCF5C2D5-16AE-37F5-B2BE-ED127048DFF5
Kernel slide:     0x0000000007800000
Kernel text base: 0xffffff8007a00000
__HIB text base: 0xffffff8007900000
System model name: iMac13,2 (Mac-FC02E91DDD3FA6A4)
System uptime in nanoseconds: 1716515364247
last loaded kext at 977341266443: com.apple.filesystems.afpfs 11.0 (addr 0xffffff7f8a7bf000, size 364544)
last unloaded kext at 203617449384: com.apple.driver.AirPort.Brcm4331 800.20.24 (addr 0xffffff7f899e0000, size 2043904)
loaded kexts:
com.apple.filesystems.afpfs 11.0
com.apple.nke.asp-tcp 8.0.0
com.apple.filesystems.exfat 1.4
com.apple.driver.AudioAUUC 1.70
com.apple.driver.AppleBluetoothMultitouch 85.3
com.apple.driver.AppleHWSensor 1.9.5d0
com.apple.driver.ApplePlatformEnabler 2.1.7d1
com.apple.driver.AGPM 100.15.5
com.apple.driver.X86PlatformShim 1.0.0
com.apple.filesystems.autofs 3.0
com.apple.iokit.IOBluetoothSerialManager 4.3.2f6
com.apple.driver.AppleMikeyHIDDriver 124
com.apple.driver.AppleOSXWatchdog 1
com.apple.driver.AppleMikeyDriver 269.25
com.apple.driver.AppleHDA 269.25
com.apple.driver.AppleUpstreamUserClient 3.6.1
com.apple.iokit.IOUserEthernet 1.0.1
com.apple.GeForce 10.0.2
com.apple.driver.AppleIntelHD4000Graphics 10.0.2
com.apple.Dont_Steal_Mac_OS_X 7.0.0
com.apple.iokit.BroadcomBluetoothHostControllerUSBTransport 4.3.2f6
com.apple.driver.AppleHWAccess 1
com.apple.driver.AppleSMCLMU 2.0.7d0
com.apple.driver.AppleBacklight 170.5.0
com.apple.driver.AppleMCCSControl 1.2.11
com.apple.driver.AppleIntelFramebufferCapri 10.0.2
com.apple.driver.AppleHV 1
com.apple.driver.AppleLPC 1.7.3
com.apple.driver.AppleThunderboltIP 2.0.2
com.apple.iokit.SCSITaskUserClient 3.7.3
com.apple.iokit.IOUSBAttachedSCSI 1.1.0
com.apple.driver.AppleUSBODD 3.5.1
com.apple.AppleFSCompression.AppleFSCompressionTypeDataless 1.0.0d1
com.apple.AppleFSCompression.AppleFSCompressionTypeZlib 1.0.0d1
com.apple.BootCache 35
com.apple.driver.XsanFilter 404
com.apple.iokit.IOAHCIBlockStorage 2.7.0
com.apple.driver.AppleSDXC 1.6.5
com.apple.driver.AppleUSBHub 705.4.2
com.apple.iokit.AppleBCM5701Ethernet 10.1.3
com.apple.driver.AirPort.Brcm4360 910.26.12
com.apple.driver.AppleAHCIPort 3.1.0
com.apple.driver.AppleUSBEHCI 705.4.14
com.apple.driver.AppleUSBXHCI 710.4.11
com.apple.driver.AppleRTC 2.0
com.apple.driver.AppleACPIButtons 3.1
com.apple.driver.AppleHPET 1.8
com.apple.driver.AppleSMBIOS 2.1
com.apple.driver.AppleACPIEC 3.1
com.apple.driver.AppleAPIC 1.7
com.apple.driver.AppleIntelCPUPowerManagementClient 218.0.0
com.apple.nke.applicationfirewall 161
com.apple.security.quarantine 3
com.apple.security.TMSafetyNet 8
com.apple.driver.AppleIntelCPUPowerManagement 218.0.0
com.apple.security.SecureRemotePassword 1.0
com.apple.driver.AppleBluetoothHIDKeyboard 176.2
com.apple.driver.AppleHIDKeyboard 176.2
com.apple.driver.IOBluetoothHIDDriver 4.3.2f6
com.apple.driver.AppleMultitouchDriver 262.33.1
com.apple.kext.triggers 1.0
com.apple.iokit.IOSerialFamily 11
com.apple.driver.DspFuncLib 269.25
com.apple.kext.OSvKernDSPLib 1.15
com.apple.nvidia.driver.NVDAGK100Hal 10.0.2
com.apple.nvidia.driver.NVDAResman 10.0.2
com.apple.iokit.IOSurface 97
com.apple.iokit.IOBluetoothHostControllerUSBTransport 4.3.2f6
com.apple.iokit.IOBluetoothFamily 4.3.2f6
com.apple.driver.AppleHDAController 269.25
com.apple.iokit.IOHDAFamily 269.25
com.apple.iokit.IOAudioFamily 203.3
com.apple.vecLib.kext 1.2.0
com.apple.driver.AppleSMBusPCI 1.0.12d1
com.apple.iokit.IOUSBUserClient 705.4.0
com.apple.driver.AppleBacklightExpert 1.1.0
com.apple.iokit.IONDRVSupport 2.4.1
com.apple.driver.AppleSMBusController 1.0.13d1
com.apple.iokit.IOAcceleratorFamily2 156.6
com.apple.AppleGraphicsDeviceControl 3.8.6
com.apple.iokit.IOGraphicsFamily 2.4.1
com.apple.driver.X86PlatformPlugin 1.0.0
com.apple.driver.AppleSMC 3.1.9
com.apple.driver.IOPlatformPluginFamily 5.8.1d38
com.apple.driver.AppleThunderboltEDMSink 4.0.2
com.apple.iokit.IOSCSIBlockCommandsDevice 3.7.3
com.apple.iokit.IOSCSIMultimediaCommandsDevice 3.7.3
com.apple.iokit.IOBDStorageFamily 1.7
com.apple.iokit.IODVDStorageFamily 1.7.1
com.apple.iokit.IOCDStorageFamily 1.7.1
com.apple.iokit.IOUSBMassStorageClass 3.7.1
com.apple.iokit.IOSCSIArchitectureModelFamily 3.7.3
com.apple.iokit.IOUSBHIDDriver 705.4.0
com.apple.driver.AppleUSBMergeNub 705.4.0
com.apple.driver.AppleUSBComposite 705.4.9
com.apple.driver.CoreStorage 471.10.6
com.apple.driver.AppleThunderboltDPInAdapter 4.0.6
com.apple.driver.AppleThunderboltDPOutAdapter 4.0.6
com.apple.driver.AppleThunderboltDPAdapterFamily 4.0.6
com.apple.driver.AppleThunderboltPCIDownAdapter 2.0.2
com.apple.driver.AppleThunderboltNHI 3.1.7
com.apple.iokit.IOThunderboltFamily 4.2.1
com.apple.iokit.IOEthernetAVBController 1.0.3b3
com.apple.iokit.IO80211Family 710.55
com.apple.driver.mDNSOffloadUserClient 1.0.1b8
com.apple.iokit.IONetworkingFamily 3.2
com.apple.iokit.IOAHCIFamily 2.7.5
com.apple.iokit.IOUSBFamily 710.4.14
com.apple.driver.AppleEFINVRAM 2.0
com.apple.driver.AppleEFIRuntime 2.0
com.apple.iokit.IOHIDFamily 2.0.0
com.apple.iokit.IOSMBusFamily 1.1
com.apple.security.sandbox 300.0
com.apple.kext.AppleMatch 1.0.0d1
com.apple.driver.AppleKeyStore 2
com.apple.driver.AppleMobileFileIntegrity 1.0.5
com.apple.driver.AppleCredentialManager 1.0
com.apple.driver.DiskImages 396
com.apple.iokit.IOStorageFamily 2.0
com.apple.iokit.IOReportFamily 31
com.apple.driver.AppleFDEKeyStore 28.30
com.apple.driver.AppleACPIPlatform 3.1
com.apple.iokit.IOPCIFamily 2.9
com.apple.iokit.IOACPIFamily 1.4
com.apple.kec.corecrypto 1.0
com.apple.kec.Libm 1
com.apple.kec.pthread 1
Model: iMac13,2, BootROM IM131.010A.B05, 4 processors, Intel Core i7, 3.4 GHz, 32 GB, SMC 2.11f16
Graphics: NVIDIA GeForce GTX 680MX, NVIDIA GeForce GTX 680MX, PCIe, 2048 MB
Memory Module: BANK 0/DIMM0, 8 GB, DDR3, 1600 MHz, 0x029E, 0x434D5341384758334D314131363030433131
Memory Module: BANK 1/DIMM0, 8 GB, DDR3, 1600 MHz, 0x029E, 0x434D5341384758334D314131363030433131
Memory Module: BANK 0/DIMM1, 8 GB, DDR3, 1600 MHz, 0x029E, 0x434D5341384758334D314131363030433131
Memory Module: BANK 1/DIMM1, 8 GB, DDR3, 1600 MHz, 0x029E, 0x434D5341384758334D314131363030433131
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0xF4), Broadcom BCM43xx 1.0 (7.15.159.13.12)
Bluetooth: Version 4.3.2f6 15235, 3 services, 27 devices, 1 incoming serial ports
Network Service: Wi-Fi, AirPort, en1
Serial ATA Device: APPLE HDD ST3000DM001, 3 TB
USB Device: Backup+ Desk
USB Device: Hub
USB Device: Apple USB SuperDrive
USB Device: FaceTime HD Camera (Built-in)
USB Device: WingMan Attack 2
USB Device: Hub
USB Device: Hub
USB Device: BRCM20702 Hub
USB Device: Bluetooth USB Host Controller
Thunderbolt Bus: iMac, Apple Inc., 23.4

I should also mention that I ran the Apple Hardware Test. I ran the extended test which took around a couple hours I believe. It passed.

New N570GTX Frozr III PE not stable at stock voltage under load

I just built a new system with one new MSI N570GTX Twin Frozr III PE card. I was getting similar behavior in games as other users have reported here (card effectively "reboots" or shuts down for a split second looking at Afterburner). It happend in WoW sporadically (nothing else installed yet), but I think this is because it's not a demanding game, rarely putting a ton of load on the GPU. With 3DMark 11 it was easily repeatable. In fact, the Benchmark Test (free ver) wouldn't even boot up under stock voltage.
I found that under load my card was only drawing a core voltage of .975 and once I bumped it up to +12(.987v) it became stable. Below are the pertinent details along with my question. Stock resting it was .912v and that seems like a common number for this card.
Beta Nvidia 275.50 drivers
Afterburner 2.2.0 Beta 5
Corsair HX750W PSU (plenty of power, and I did play around with switching plugs for the 2 PCI-E cables, no difference)
Now, I've found my issue, which was low core voltage. My question is this though...
Show I be worried that my card was not drawing enough voltage under load with stock settings? Is this indicative of faulty components that might get worse with time? Should I RMA this card for a replacement just to be safe?
If this is nothing to worry about, cool...it will be a pain in the ass to have to run Afterburner all the time, but I guess once I get to overclocking this thing, I'd be doing that anyway. Thanks in advance.

Just got a crash at +12 after an hour goofing around in WoW, so I've bumped it up to +18 (.931v resting, .993v under load).
And yeah, running Afterburner isn't a huge issue. I'm more looking for guidance around if I should RMA this considering it isn't stable out of the box when under load. I know this should be somewhat expected when buying an o/c card, but I'm curious how unique my situation is. I love the card and even if I did RMA it would be for another Frozr III. I just want to make sure that if I need to do this, I do it w/in Amazon's window of return.
My worry is when I do get this thing stable and start to o/c it, I'll be pushing some dangerous voltages to reach speeds other with this card can get to relatively safely.
Edit: It occurs to me that with this second crash, maybe voltage is only part of the puzzle. I thought I'd covered all my bases, but I'd be open to suggestions on other things to tweak or try.
Edit2: I just realized that I made a mistake in the OP. This is a Frozr III PE/OC edition.

Freezing under load after Zalman 7000A installation - help!

I built a K8N system over the summer using the stock AMD HSF. Yesterday I decided to install a Zalman 7000A to quiten the system and to run a bit cooler.
The installation was relatively straightforward. As usual removing the back plate was a pain. The main concern was that the thermal pad used on the stock HSF was so strong that, despite twising to break the seal, still lifted the CPU out of its socket. All the pins looked fine and it went back in OK.
After re-installing the motherboard and connecting all the cables, system booted fine with no apparent problems. Temps looked a little better and perhaps a little quiter. Runs normal office apps ok.
Testing SETI@home to load the system, the temps rose up to mid 50s and the fan increased speed, and then the system froze (screen was frozen, no keyboard input). Booting into Fedora linux showed the same problem, idles OK, but running a numerical fluid simulation locks the system. The highest temp I have seen with Core Center is 61C (this is with BIOS 1.44)
A bit more testing showed a slightly strange behaviour from Core Center. The processor speed was fluctuating, with the FSB increasing so that at some brief instances it was reporting 2750Mhz.
I have previously seen this but small momentary increases from 2010 to 2100 or so.
So how to narrow down the problem:
have I damaged the CPU or motherboard during the backplate/HSF removal?
have I forget to connect something somewhere?
is there a problem with the Zalman installation so that the CPU is overheating (too little thermal grease)?
should I go back to the stock HSF
thanks

update on progress...
re-installed the Zalman heat sink. I very carefully cleaned both surfaces with cotton buds and methylated spirits (ethanol+10%methanol + purple colouring), then a dry screen wipe. A small, grain of rice size, blob of zalman thermal grease in the middle of the heat spreader. As in arctic silver instructions, rotated hs a few degrees to make sure it spreads and screwed tight carefully.
Initially looking good, although temperatures were pretty much the same as the stock HSF: idle with cool'n'quiet at 1000Mhz 33-35C, under load at 2010Mhz creeping up to 52-53C. I used Corecenter to manual hold the fan at full speed (2600rpm). Ran set@home for 10 minutes, and I was just about to kill it, satisfied that I had fixed the problems, when the screen went blank and the machine started beeping! (I had never previously seen this, only lockups with the screen frozen).
Later I had one other screen freeze, but this time the temperature had not risen above 45C.
I have BIOS 1.44 which is much better for temps than the BIOS is was shipped with, but I still do not really trust these measurements.
I am pretty sure the Zalman heat sink is installed properly - my only slight concern was the use of methylated spirits to clean it.
Looks like I will go back to the stock HSF over the weekend.
thanks for the help

Core Center S/W loads as a process

System: MSI 875P Neo-FIS2R MB (BIOS AMI v1.5 061803), Intel 3.0GHz Canterwood Processor, 2GB (4x512MB) Crucial PC3200 Unbuffered ECC DDR400 Memory (CT6472Z40B), ATI AIW Radeon 9700 Pro 8X AGP Video, NVidia GForce 4 PCI Video (2nd Mon), SB Audidgy Platinum Ex Sound, (1) WD 40GB ATA133 Boot Drive, (2) Seagate 120GB SATA Drives RAID 0, (2) Maxtor ATA133 120GB Drives RAID 1, ASUS 16x DVD-ROM, Sony DRU DVD Writer, & Iomeg Zip250 drive. Running Windows XP Pro.
Problem: Core Center installs and loads as a process that is using 50% of my processor time instead of as an application. Can not get the Core Center Utility to run as shown on Page 1-6 of the 875P NEO Series Quick User's Guide. Have tried downloading updated version 1053. Any suggestions?

Hi JackH,
50% during startup load or all the way for the next few hours of usage? Try updating to the latest corecenter...
All the Best... :D!!!

Battery level dropping under load while plugged in

Hi all,
I'm, the otherwise happy owner of a retina Macbook Pro form July 2014 (with a 85w power supply)
I have the issue that, whenever my computer is under load and uses the discrete graphics card, its dropping power - even though the charger was connected.I know the discrete graphics card uses up more power, but honestly it cannot be true that if I play a game in high settings on the macbook (which only has a keyboard, mouse and charger connected in that case), then the battery drops... It cannot sustain itself or what? (I have never experienced this with any other laptop, so I hope for the love of God, this is not what to expect).
Also, just the other day, I was using 2x external monitors (with their own power supplies), and just watching a Twitch (videogame stream) in a browserwindow on one of the screens, and the charge started dropping, even while plugged in again -- it dropped maybe (a wild guess) 10% an hour or so.
The setup there was: I had iMessage open on the screen on the macbook - nothing else; I had a PDF displayed on the first external screen and I had a browser-window open with a video-stream on the second external screen. A mouse, keyboard, powersupply and 2x videooutputs (1x HDMI, 1x DisplayPort), was connected to the macbook at that moment...
I mentioned that I couldnt play anything with high settings, or watch a videostream while using external monitors without draining the battery power to a friend that has had a few macs - he had note experienced it before, and told me to post in here (After we agreed that since the external displays had their own power supplies, they shouldn't be dealbreakers). I'm hoping you can help me shed some light on the issue and help me. If something might need to be sent back to Apple for replacement, I'd rather do it before I personalize it too much.
Thanks alot!

Thanks for the answers I see.... A shame since the 85W charger is by my understanding the highest wattage one Oh well, thanks!

Core DLL failed to load

Suddenly I get the message "CORE DLL" failed to load whenever I try to read an Adobe file. I've removed the program 3 times and downloaded a new download from the Adobe website, but still I get the same result:"CORE DLL" failed to load. Any suggestions?
Thanks

Please See the solution on below link : http://helpx.adobe.com/acrobat/kb/reader-core-dll-error.html

Why cant i open readerXI as a user,It says core DLL failed to load?

I cannot open reader XI as a user,it says core DLL failed to load,but i can open it as an admin?

Malware
Error: “Acrobat Failed to Load core DLL”

ACROBAT CANNOT LOAD IT'S CORE DLL - ACROBAT CANNOT LOAD IT'S CORE DLL

Is there a person who works for Adobe answering questions in THEIR own forum about THEIR own software? If so, why hasn't an employee of Adobe answered this question about the core dll not loading? It certainly appears there are a lot of Adobe CUSTOMERS who are experiencing this issue and is worthy of some time from an Adobe employee to get it resolved!
ACROBAT CANNOT LOAD IT'S CORE DLL
ACROBAT CANNOT LOAD IT'S CORE DLL
ACROBAT CANNOT LOAD IT'S CORE DLL

Here is the advice Adobe finally gave me:
Create a test PDF and attempt to reproduce the issue to verify that it
is not a file specific issue.
To create a test PDF file:
1. Open the Printers and Faxes Control Panel from the Start Menu.
2. Right-click on Adobe PDF and select Properties.
3. Select Print Test Page and save the PDF to the Desktop.
If the issue does not occur, then there is an issue with the original
file. You will either need to troubleshoot the content of the file or
try to recreate it.
If the issue persists with the test file, then it is possible that the
Acrobat preferences have become damaged. Reset the Acrobat
preferences and then attempt to reproduce the issue.
To reset the Acrobat preferences:
1. Exit all instances of Acrobat.
2. On the keyboard, hold down the Windows logo key and tap the #R#
key. This will open the Run dialog box.
3. Copy the following text into the Open field and press the OK
button:
%Appdata%\Adobe
4. Rename the #Acrobat# folder to #Acrobat old#.
5. On the keyboard, hold down the Windows logo key and tap the #R#
key.
6. Copy the following text into the Open field and press the OK
button:
regedit
7. Right-click on My Computer, select Export and then save the file
as #Registry Backup# to the Desktop. This creates a backup of the
registry.
8. Browse to: HKEY_CURRENT_USER\Software\Adobe\Adobe Acrobat.
9. Right-click on the 8.0 folder and select Rename.
10. Change the name from 8.0 to 8.0 old.
11. Close the Registry Editor.
12. Launch the Acrobat application and attempt to reproduce the
issue. Acrobat creates new preference directories.
I implemented their suggestions, however the registry key of HKEY_CURRENT_USER\Software\Adobe\Adobe Acrobat that they gave me was incorrect as ours is: HKEY_CURRENT_USER\Software\Adobe\Adobe Acrobat\PDFMaker\8.0
I went ahead and renamed it to 8.0.old as instructed so time will tell if the Acrobat Cannot Load It's Core Dll error message goes away.

Why has my mail started storing under Load More Messages. I'm now unable to access my mail messages.

Why has my mail started storing under Load More Messages. I'm now unable to access my mail messages.

This is my basic, first start, recommended "fix" when these types of weird, unexplained things occur on the iPad. Give it a try. After you reboot, go back to the mail app and see if the messages will load.
Quit the mail app completely and reboot the iPad.
Go to the home screen first by tapping the home button. Double tap the home button and the recents tray will appear with all of your recent apps displayed at the bottom. Tap and hold down on any app icon until it begins to wiggle. Tap the minus sign in the upper left corner of the app that you want to close. Tap the home button or anywhere above the task bar.
Reboot the iPad by holding down on the sleep and home buttons at the same time for about 10-15 seconds until the Apple Logo appears - ignore the red slider if it appears on the screen - let go of the buttons. Let the iPad start up.

W520 corei7 2720QM - 1 core is throttled under load!

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