U410 has serious bugs!!!

Hi everyone,
I just wanted to warn everyone who bought a u410. If you still can, best return it now and get your money back now because this laptop has two major flaws:
1) BIOS is faulty:
disabling UEFI in BIOS completely locks you out of the BIOS, you can no longer access the bios once UEFI is disabled. There is no way to recover the original BIOS settings. The only option is return to factory.
2) Repartitioning of the HDD virtually impossible:
This Laptop comes with a RAID 0 configuration where the SDD acts as hibernation partition and cache for the HDD. While this configuration speeds up boot significantly it also means that the original HDD partitioning cannot be changed without destroying the RAID. Lenovo has partitioned the HDD in four primary partitions of which two are hidden.
My advice: Don't buy this junk!
I will also post a review in Amazon where I bought this laptop and warn everyone there not to buy this laptop...

Guys,
I cold started the PC and it's all back up and running like it should. Well, a restart would have worked too I'm guessing. All hidden files now show up in ALL folders, includng system files. Previously, all system files, applications files, and Library files were all disappeared.
The PC was running straight for only 4 days. Is that too much for Mac OS Lion to handle?? Is this system resource issue? I got 4GB of RAM, 500GB HDD, Intel Core i5, etc. This shouldn't be the bottleneck. I mean heck, with Windows Server 2003 I can let it go on and on and on and on and on for week"s" straight without a single hicup and never ran into files disappearing. Man that OS is fast as ******* and stable and consistent as ****. And that's with only 1GB of RAM on Sony laptop. So is this Mac OS cache problem?? When I checked the system monitor it didn't seem to show taking up much ram.. I guess Mac OS requirees reboots every few days. This sorta reminds me of Windows 98 requiring reboots once every few days to keep from going BSOD. Anybody has inputs to share on this. And what can I do to keep from this happening again without having to restart the computer every few days?
thanks,

Similar Messages

Re: ORACLE/LINUX HAS SERIOUS BUG! | no O_SYNC on redo logs

To StE.
Michael,
how do you traced LGWR process?
I try >gdb oracle PID
and I attached to LGWR process.
But how do you achieved the trace file as result?
Regards,
Mark
null

Has anyone reported this to Oracle? I haven't heard about this
bug, but it may be in the pipeline for the next patch.
Mark Malakanov (guest) wrote:
: StE,
: you are right.
: Oracle MUST write into current redo log file after every
: commit.
: A confirmation "Commited" MUST be appeared after a write
: operation finished and sync'ed.
: Unfortunately this rule does not supported in Oracle8.0.5.1 for
: Linux.
: I made strace against LGWR process. It really open log file
: without O_SYNC key.
: But I tried to set a Sync attribute with chattr command against
: logfiles. Also I tried to do mount with sync option against
: whole filesystem. This ways brings system to open files as
: O_SYNC key used.
: All of above doesnt help. Oracle looses last commited
: transactions. Only very bad performance.
: Also I make the simple test in C. Open file without O_SYNC,
: Write 5Mb, fsync and message. The message appears only after
: fsync operation is finished. I understood - Linux is not the
: cause of error.
: I did find no fsync calls in strace's log file.
: I think it is the cause of transactions are loosed.
: Mark
: StE (guest) wrote:
: : Jay Walters (guest) wrote:
: : : It is expected behavior to not write to the datafiles until
: a
: : : checkpoint is performed. Did you see this problem for
: : : logfiles? Or just on data files? I am looking into moving
: to
: : : ORACLE on Linux but need data integrity...
: : : Can anybody confirm if this is really a problem as it seems
: : : like a show stopper.
: : Using strace I've observed the RDBMS opening the online redo
: : logs without O_SYNC and, on a commit, checkpoint, or log
: change,
: : I cannot see fsync being called on the file handle.
: : Maybe this is a bug in strace, or a blip of stupidity on my
: : part, but someone testing has managed to lose a committed
: : transaction after deliberately powering off their machine.
: That
: : shouldn't happen.
: : -michael
null

ORACLE ON LINUX HAS SERIOUS BUG! IS NOT FAILSAFE COMMIT!!!

I made one experiment to make sure in failsafety on Oracle/Linux.
I tried to turn off the computer after commit, when "Commit
complete" message was appeared.
See a link on my last report:
http://f2.dejanews.com/oracletechnet/nonmembers/index.cgi?do=show
msg&conf=Early.Linux&msg=3953&show=unread&depth=all
This experiment finished with bad result:
Oracle for Linux can not be used for any more or less
responsible applications!
I tried to use filesystem with sync option and I tried to use
waitfor_sync parameter in "init.ora" file.
All of above without result. Oracle does not remember the data
last commited transactions. Oracle does not write commited data
on disk during about 1-3 sec period after the message "Commit
complete" appeared.
What do the Oracle Team say about this bug?
null

Has anyone reported this to Oracle? I haven't heard about this
bug, but it may be in the pipeline for the next patch.
Mark Malakanov (guest) wrote:
: StE,
: you are right.
: Oracle MUST write into current redo log file after every
: commit.
: A confirmation "Commited" MUST be appeared after a write
: operation finished and sync'ed.
: Unfortunately this rule does not supported in Oracle8.0.5.1 for
: Linux.
: I made strace against LGWR process. It really open log file
: without O_SYNC key.
: But I tried to set a Sync attribute with chattr command against
: logfiles. Also I tried to do mount with sync option against
: whole filesystem. This ways brings system to open files as
: O_SYNC key used.
: All of above doesnt help. Oracle looses last commited
: transactions. Only very bad performance.
: Also I make the simple test in C. Open file without O_SYNC,
: Write 5Mb, fsync and message. The message appears only after
: fsync operation is finished. I understood - Linux is not the
: cause of error.
: I did find no fsync calls in strace's log file.
: I think it is the cause of transactions are loosed.
: Mark
: StE (guest) wrote:
: : Jay Walters (guest) wrote:
: : : It is expected behavior to not write to the datafiles until
: a
: : : checkpoint is performed. Did you see this problem for
: : : logfiles? Or just on data files? I am looking into moving
: to
: : : ORACLE on Linux but need data integrity...
: : : Can anybody confirm if this is really a problem as it seems
: : : like a show stopper.
: : Using strace I've observed the RDBMS opening the online redo
: : logs without O_SYNC and, on a commit, checkpoint, or log
: change,
: : I cannot see fsync being called on the file handle.
: : Maybe this is a bug in strace, or a blip of stupidity on my
: : part, but someone testing has managed to lose a committed
: : transaction after deliberately powering off their machine.
: That
: : shouldn't happen.
: : -michael
null

Itune 8.1 has seriously bugged my computer

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Hi, I developed a web application using HTML5-Offline Application Cache mechanism. Inspite of deleting the cache as mentioned in the above steps, Firefox still maintains a copy of the page in it's cache. Also, a serious bug is, even though we delete all

== Issue
==
I have a problem with my bookmarks, cookies, history or settings
== Description
==
Hi,
I developed a web application using HTML5-Offline Application Cache mechanism. Inspite of deleting the cache as mentioned in the above steps, Firefox still maintains a copy of the page in it's cache. Also, a serious bug is, even though we delete all temp files used by Firefox, and open the previously cached page, it displays it correctly, but upon refreshing/reloading it again shows the previous version of the page maintained in the cache.
== Troubleshooting information
==
HTML5: Application Caching
.style1 {
font-family: Consolas;
font-size: small;
text-align: left;
margin-left: 80px;
function onCacheChecking(e)
printOutput("CHECKINGContents of the manifest are being checked.", 0);
function onCacheCached(e) {
printOutput("CACHEDAll the resources mentioned in the manifest have been downloaded", 0);
function onCacheNoUpdate(e)
printOutput("NOUPDATEManifest file has not been changed. No updates took place.", 0);
function onCacheUpdateReady(e)
printOutput("UPDATEREADYChanges have been made to manifest file, and were downloaded.", 0);
function onCacheError(e) {
printOutput("ERRORAn error occured while trying to process manifest file.", 0);
function onCacheObselete(e)
printOutput("OBSOLETEEither the manifest file has been deleted or renamed at the source", 0);
function onCacheDownloading(e) {
printOutput("DOWNLOADINGDownloading resources into local cache.", 0);
function onCacheProgress(e) {
printOutput("PROGRESSDownload in process.", 0);
function printOutput(statusMessages, howToTell)
* Outputs information about an event with its description
* @param statusMessages The message string to be displayed that describes the event
* @param howToTell Specifies if the output is to be written onto document(0) or alert(1) or both(2)
try {
if (howToTell == 2) {
document.getElementById("stat").innerHTML += statusMessages;
window.alert(statusMessages);
else if (howToTell == 0) {
document.getElementById("stat").innerHTML += statusMessages;
else if (howToTell == 1) {
window.alert(statusMessages);
catch (IOExceptionOutput) {
window.alert(IOExceptionOutput);
function initiateCaching()
var ONLY_DOC = 0;
var ONLY_ALERT = 1;
var BOTH_DOC_ALERT = 2;
try
if (window.applicationCache)
var appcache = window.applicationCache;
printOutput("BROWSER COMPATIBILITYSUCCESS!! AppCache works on this browser.", 0);
appcache.addEventListener('checking', onCacheChecking, false);
appcache.addEventListener('cached', onCacheCached, false);
appcache.addEventListener('noupdate', onCacheNoUpdate, false);
appcache.addEventListener('downloading', onCacheDownloading, false);
appcache.addEventListener('progress', onCacheProgress, false);
appcache.addEventListener('updateready', onCacheUpdateReady, false);
appcache.addEventListener('error', onCacheError, false);
appcache.addEventListener('obsolete', onCacheObselete, false);
else
document.getElementById("stat").innerHTML = "Failure! I cant work.";
catch (UnknownError)
window.alert('Internet Explorer does not support Application Caching yet.\nPlease run me on Safari or Firefox browsers\n\n');
stat.innerHTML = "Failure! I cant work.";
== Firefox version
==
3.6.3
== Operating system
==
Windows XP
== User Agent
==
Mozilla/5.0 (Windows; U; Windows NT 5.1; en-GB; rv:1.9.2.3) Gecko/20100401 Firefox/3.6.3 ( .NET CLR 3.5.30729; .NET4.0E)
== Plugins installed
==
*-Shockwave Flash 10.0 r45
*Default Plug-in
*Adobe PDF Plug-In For Firefox and Netscape "9.3.2"
*NPRuntime Script Plug-in Library for Java(TM) Deploy
*The QuickTime Plugin allows you to view a wide variety of multimedia content in Web pages. For more information, visit the QuickTime Web site.
*Google Update
*4.0.50524.0
*Office Live Update v1.4
*NPWLPG
*Windows Presentation Foundation (WPF) plug-in for Mozilla browsers
*Next Generation Java Plug-in 1.6.0_20 for Mozilla browsers
*Npdsplay dll
*DRM Store Netscape Plugin
*DRM Netscape Network Object
Thanks & Regards,
Kandarpa Chandrasekhar Omkar
Software Engineer
Wipro Technologies
Bangalore.
[email protected]
[email protected]

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All--
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U410 has serious bugs!!!

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