Connection drops for minutes at a time

Hi there.
As I said in the title, the connection to the internet drops for minutes at a time although I am still connected to Airport Extreme. It has and can be down for pu to 20 minutes, with the only way of solving it that I see to be renewing the DHCP licence. Even when I do this, it can take up to 5 minutes to start working again.
When the error is happening, in the assist pane of the Network settings, all the little lights are green up to ISP. Internet and below are orange.
Any ideas?

Any?

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Internet drops for minutes at a time but modem and...

I had Unlimited Infinity 1 installed on 9th July and when it works it's great (38 down 8 up) but there's been a problem from day one.
Every now and then my internet will stop. Websites won't load and mail won't send. The HH4 (Type A) thinks it's still connected. The modem (Huaweii 612) thinks it's still connected. Restarting the modem doesn't make any difference. Restarting the HH4 doesn't make any difference. After a minute or two it resolves itself and everything is hunky dory again.
My computer is connected by ethernet and my tablet and phone are connected by wifi. The problem affects all 3.
A few days after the install I emailed support and they told me it was normal for it to happen during the first ten days as it was adjusting itself to give me the best speed. Well it's been over ten days and it's happened at least 5 times since lunchtime today.
Does anyone know what might be wrong and if there's something I can do to fix it myself?
edit: It dropped while I was posting this. I tried to bring up google.co.uk and that wouldn't load so I tried pinging google.co.uk in a command prompt. Three out of the four pings were successful. The page still wouldn't load. I have no idea what's going on.

I used to take that to mean BT were deliberately throttling my connection because of me running servers.
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Galaxy Note II Unresponsive for minutes at a time

I'm on my 3rd galaxy note 2. My first one had an overheating problem that caused the battery to last for 2 hours even though it was idle. They ended up replacing it for me. My 2nd one was actually perfect. I had zero problems with it for nearly a year until the day after the 4.3 update, the screen went off and never came back on. I just got my replacement about a week ago and I'm having an issue with the screen becoming unresponsive for minutes at a time.
I factory reset the phone yesterday thinking that maybe I had a rogue app installed but it seems that any time I try to launch a game or if I try to browse the internet while an app is updating, the phone is unusable for a few minutes. It's like it can't multitask. Eventually it'll come back with the phone at my home screen with my background image gone, but eventually it comes back too. It's similar to when windows explorer crashes and it reloads. I'll go through the same process for 2 or 3 more times before the game finally launches or the internet browser is finally usable.
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I decided to call in. I tell the rep my problems and he tells me to launch the phone in safe mode. Done. I could reproduce the issue. It then says wifi unstable. The phone freezes with wifi on. Tells me to turn the wifi off. No more freezing while in safe mode, I guess wifi is the problem didn't think that was an issue before. He tells me that wifi issues have been reported but none of those issues cause the phone to freeze, he said that samsung told them to tell customers to turn that feature (ie: wifi) off until the next software update. He said samsung is working on a fix for the wifi issues but said there's no eta. I asked him for his gut feel and he said phones that are newer than 18 months normally get priority, given that the note 2 was release in november of 2012 and we're in 2014, that he estimated 3-4 months for the next update. I know I can't hold him to that but even if he's right, I have to leave wifi off for 3-4 months?...Now to the best part, "Since there is no freezing with wifi off in safe mode, and in safe mode the phone behaves in the state samsung designed it to be in, I've determined that it's not a hardware or operating system issue, so there's nothing I can do for you. I'm sorry I couldn't send you a new phone or resolve this problem for you, I hope you find a solution for the software issue you're having, good night."
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Here is a problem and also the solution, (in case you have the same problem):
My Mac (running OS X Lion) was exhibiting a problem whereby it paused for minutes at a time; the mouse moved, but no applications could respond (and they all showed the spinning beachball). Turned out to be a rogue ‘fontd’ process. This is how I fixed it.
So the symptoms were that occasionally applications would stop responding for a minute or two. This would especially happen when I launched a new app or browser window, and also occurred when I logged in after rebooting: it would hang with a near-empty screen, slowly opening my apps, waiting a(n agonising) couple of minutes between each one.
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The next time you have the problem, note the exact times when it starts and ends: hour, minute, second.
If you have more than one user account, these instructions must be carried out as an administrator.
Launch the Console application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Console in the icon grid.
Make sure the title of the Console window is All Messages. If it isn't, select All Messages from the SYSTEM LOG QUERIES menu on the left.
Scroll back in the log to the time you noted above. Post any messages timestamped during that interval – the text, please, not a screenshot.
When posting a log extract, be selective. In most cases, a few dozen lines are more than enough.
Please do not indiscriminately dump thousands of lines from the log into a message.
Important: Some private information, such as your name, may appear in the log. Edit it out by search-and-replace in a text editor before posting.

Trouble with iCal. It locks up for minutes at a time.

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The next time you have the problem, note the exact times when it starts and ends: hour, minute, second.
If you have more than one user account, these instructions must be carried out as an administrator.
Launch the Console application in any of the following ways:
☞ Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
☞ In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
☞ Open LaunchPad. Click Utilities, then Console in the icon grid.
Make sure the title of the Console window is All Messages. If it isn't, select All Messages from the SYSTEM LOG QUERIES menu on the left.
Scroll back in the log to the time you noted above. Post any messages timestamped during that interval – the text, please, not a screenshot.
When posting a log extract, be selective. In most cases, a few dozen lines are more than enough.
Please do not indiscriminately dump thousands of lines from the log into a message.
Important: Some private information, such as your name, may appear in the log. Edit it out by search-and-replace in a text editor before posting.

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Clean the screen with a soft, slightly damp, lint-free cloth.
Avoid using the device while wearing gloves, with wet hands, or immediately after applying hand lotion.
If you have a protective case, or if you are using a plastic sheet or film on the display, try removing them and testing the device without it.
If that does not resolve the issue, I would next quit all the running apps on the device:
iOS: Force an app to close
Double-click the Home button.
Swipe left or right until you have located the app you wish to close.
Swipe the app up to close it.
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Azure connections drop exactly at the same time everyday.

Hi Guys,
I wonder why all my connections to email server and NOC portal gets disconnected at the same time everyday. The connection drops and my retry logic would not get the connection back. However, the connection will be re-established after a while.
What could be the problem here. Any pointers to debug this issue will be highly appreciated.
Thank you,
AA

Hi,
Would you please share the detailed configuration of your deployment?
Did you create a VPN connection? Is that email server a on-premise server?
If it is related to Azure VPN connection, it would be better for you to contact
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Best regards,
Susie
Please remember to mark the replies as answers if they help and unmark them if they provide no help. If you have feedback for TechNet Subscriber Support, contact [email protected]

Garbage Collector pausing my Server for MINUTES at a time

Garbage Collection pauses are really crippling my server. Here is a grep of Full GCs from the log file. (The lines following each Full GC have a timestamp, yymmdd:hhmmss.sss)
[Full GC 876186K->169083K(222400K), 28.4152794 secs]
011120:004809.413:
[Full GC 883850K->214246K(259008K), 68.2294388 secs]
011120:033449.558: *** RECLAIMED MemoryManager( Idle ) - Memory Usage: 209.2 MB/900.0 MB (Free: 43.7 MB, Allocated: 252.9 MB)
[Full GC 881484K->300898K(347200K), 73.3787317 secs]
011120:045927.680: *** RECLAIMED MemoryManager( Idle ) - Memory Usage: 293.8 MB/900.0 MB (Free: 45.2 MB, Allocated: 339.1 MB)
[Full GC 886225K->269194K(317824K), 79.8212023 secs]
011120:055800.166: *** RECLAIMED MemoryManager( Idle ) - Memory Usage: 262.9 MB/900.0 MB (Free: 47.5 MB, Allocated: 310.4 MB)
[Full GC 890405K->261774K(338112K), 104.6192760 secs]
011120:064350.312: *** RECLAIMED MemoryManager( Idle ) - Memory Usage: 255.6 MB/900.0 MB (Free: 74.5 MB, Allocated: 330.2 MB)
[Full GC 893451K->306762K(361024K), 134.4052782 secs]
011120:073523.335: *** RECLAIMED MemoryManager( Idle ) - Memory Usage: 299.6 MB/900.0 MB (Free: 53.0 MB, Allocated: 352.6 MB)
[Full GC 896034K->286275K(350016K), 103.4689894 secs]
011120:081636.710: *** RECLAIMED MemoryManager( Idle ) - Memory Usage: 279.6 MB/900.0 MB (Free: 62.2 MB, Allocated: 341.8 MB)
[Full GC 882755K->260923K(310272K), 129.6787672 secs]
011120:093812.612: *** RECLAIMED MemoryManager( Idle ) - Memory Usage: 254.8 MB/900.0 MB (Free: 48.2 MB, Allocated: 303.0 MB)
You can see that between 12:48am and 9:38am, the Server is pausing for a combined total of TWELVE MINUTES! Often for 2 whole minutes at a time, during which the Server is completely unresponsive.
I have read Sun's GC tuning guide at http://java.sun.com/docs/hotspot/gc/index.html but it is not much help:
It says "Pauses can be minimized by using a small young generation and incremental collection, at the expense of throughput."
Well, I AM using incremental collection, and the young generation is the default size, which is quite small I believe. (32 MB max?)
It also says "Unless you have problems with pauses, try granting as much memory as possible to the JVM. The default size (64MB) is often too small."
Well I DO have problems with pauses, but I HAVE to allocate a ton of memory. The Server must support hundreds of simultaneous users, each with hundreds of K's of personal, dynamic, temporary data.
It also says "Unless you find problems with excessive major collection or pause times, grant plenty of memory to the young generation. The default MaxNewSize (32MB) is generally too small."
I AM having problems with excessive major collections and pause times, so according to this I should NOT grant more memory to young generation (eden).
What am I left with? Nothing! I am totally out to lunch here. The box this is running on is a dual P3-600 with a gig of RAM and Red Hat 6.2, with Sun JRE 1.3.1_02. My startup command line options are:
java -server -Xincgc -verbose:gc -Xms256M -Xmx900M
What should I do? The Tuning guide essentially says to screw around with generation sizes, but none of its specific tips seem to apply to me! This is a production server and I am worried about making things worse by playing around, so I was hoping someone out there might have some experience with this and concrete advice before I just start messing around with the memory map. Should I increase the young generation size? Decrease it? Something else altogether? HELP!

With default settings, I am getting horrible performance, under peak load, 25%-50% of server time is being spent with GC, approx. 11,000 minor GCs per hour! And a Full GC every hour or two which takes up several minutes. On average, I am losing 13.09 minutes per hour due to minor GC, and 54.5 seconds to major GC.
I tried your settings, Chuck, and they seemed to be working beautifully at first... minor GCs were now occuring once every few minutes for a couple seconds, instead of 3 times per second for a tenth of a second. Minor GC were now taking 1.06 minutes per hour instead of 13.09, more than a 1300% improvement!
HOWEVER...
After 7 hours, the Server started getting REALLY slow for no apparent reason. It seemed almost as if reading from sockets was suddenly becoming extremely time intensive. Then I got a HUGE minor GC that took 25.6 seconds. [GC 507410K->478034K(551296K), 25.6328459 secs], then a couple minutes later, the Server CRASHED with this output:
An unexpected exception has been detected in native code outside the VM.
Unexpected Signal : 11 occurred at PC=0x40573aa7
Function name=malloc
Library=/lib/libc.so.6
Current Java thread:
Dynamic libraries:
011121:231738.194: Search ( pizzala, lzh ) returned 50 results (28 ms)
08048000-0804c000 r-xp 00000000 08:06 376904 /usr/local/java/jre1.3.1_01/bin/i386/native_threads/java
0804c000-0804d000 rw-p 00003000 08:06 376904 /usr/local/java/jre1.3.1_01/bin/i386/native_threads/java
40000000-40013000 r-xp 00000000 08:06 311298 /lib/ld-2.1.3.so
40013000-40014000 rw-p 00012000 08:06 311298 /lib/ld-2.1.3.so
40015000-40016000 r--p 00000000 08:06 2424834 /usr/share/locale/en_US/LC_MESSAGES/SYS_LC_MESSAGES
40016000-40017000 r--p 00000000 08:06 2408452 /usr/share/locale/en_US/LC_MONETARY
40017000-40018000 r--p 00000000 08:06 2408454 /usr/share/locale/en_US/LC_TIME
40018000-40023000 r-xp 00000000 08:06 311344 /lib/libpthread-0.8.so
40023000-4002a000 rw-p 0000a000 08:06 311344 /lib/libpthread-0.8.so
4002b000-40034000 r-xp 00000000 08:06 1081477 /usr/local/java/jre1.3.1_01/lib/i386/native_threads/libhpi.so
40034000-40035000 rw-p 00008000 08:06 1081477 /usr/local/java/jre1.3.1_01/lib/i386/native_threads/libhpi.so
40035000-403b0000 r-xp 00000000 08:06 2769091 /usr/local/java/jre1.3.1_01/lib/i386/server/libjvm.so
403b0000-403b1000 ---p 0037b000 08:06 2769091 /usr/local/java/jre1.3.1_01/lib/i386/server/libjvm.so
403b1000-404fd000 rw-p 0037b000 08:06 2769091 /usr/local/java/jre1.3.1_01/lib/i386/server/libjvm.so
40515000-40517000 r-xp 00000000 08:06 311314 /lib/libdl-2.1.3.so
40517000-40519000 rw-p 00001000 08:06 311314 /lib/libdl-2.1.3.so
4051a000-40607000 r-xp 00000000 08:06 311305 /lib/libc-2.1.3.so
40607000-4060b000 rw-p 000ec000 08:06 311305 /lib/libc-2.1.3.so
4060f000-40621000 r-xp 00000000 08:06 311318 /lib/libnsl-2.1.3.so
40621000-40623000 rw-p 00011000 08:06 311318 /lib/libnsl-2.1.3.so
40625000-40641000 r-xp 00000000 08:06 311316 /lib/libm-2.1.3.so
40641000-40642000 rw-p 0001b000 08:06 311316 /lib/libm-2.1.3.so
40642000-40676000 r-xp 00000000 08:06 704575 /usr/lib/libstdc++-2-libc6.1-1-2.9.0.so
40676000-40682000 rw-p 00033000 08:06 704575 /usr/lib/libstdc++-2-libc6.1-1-2.9.0.so
40684000-40695000 r-xp 00000000 08:06 1081479 /usr/local/java/jre1.3.1_01/lib/i386/libverify.so
40695000-40697000 rw-p 00010000 08:06 1081479 /usr/local/java/jre1.3.1_01/lib/i386/libverify.so
40697000-406b8000 r-xp 00000000 08:06 1081480 /usr/local/java/jre1.3.1_01/lib/i386/libjava.so
406b8000-406ba000 rw-p 00020000 08:06 1081480 /usr/local/java/jre1.3.1_01/lib/i386/libjava.so
406bb000-406cf000 r-xp 00000000 08:06 1081481 /usr/local/java/jre1.3.1_01/lib/i386/libzip.so
406cf000-406d2000 rw-p 00013000 08:06 1081481 /usr/local/java/jre1.3.1_01/lib/i386/libzip.so
406d2000-41400000 r--s 00000000 08:06 1081510 /usr/local/java/jre1.3.1_01/lib/rt.jar
4142d000-416d2000 r--s 00000000 08:06 1081511 /usr/local/java/jre1.3.1_01/lib/i18n.jar
416d2000-416e8000 r--s 00000000 08:06 1081498 /usr/local/java/jre1.3.1_01/lib/sunrsasign.jar
77a9f000-77ab5000 r--p 00000000 08:06 2408451 /usr/share/locale/en_US/LC_CTYPE
77ab5000-77abd000 r--p 00000000 08:06 2408450 /usr/share/locale/en_US/LC_COLLATE
77abd000-77abe000 r--p 00000000 08:06 2408453 /usr/share/locale/en_US/LC_NUMERIC
77abe000-77abf000 r-xp 00000000 08:06 1622117 /usr/lib/gconv/ISO8859-1.so
77abf000-77ac0000 rw-p 00000000 08:06 1622117 /usr/lib/gconv/ISO8859-1.so
77ac1000-77ac9000 r-xp 00000000 08:06 311336 /lib/libnss_files-2.1.3.so
77ac9000-77aca000 rw-p 00007000 08:06 311336 /lib/libnss_files-2.1.3.so
77b37000-77b40000 r-xp 00000000 08:06 1081484 /usr/local/java/jre1.3.1_01/lib/i386/libnet.so
77b40000-77b41000 rw-p 00008000 08:06 1081484 /usr/local/java/jre1.3.1_01/lib/i386/libnet.so
77b41000-77b45000 r-xp 00000000 08:06 1081513 /usr/local/java/jre1.3.1_01/lib/i386/libNBIO.so
77b45000-77b46000 rw-p 00003000 08:06 1081513 /usr/local/java/jre1.3.1_01/lib/i386/libNBIO.so
77b46000-77b4f000 r-xp 00000000 08:06 311342 /lib/libnss_nisplus-2.1.3.so
77b4f000-77b51000 rw-p 00008000 08:06 311342 /lib/libnss_nisplus-2.1.3.so
77b51000-77b59000 r-xp 00000000 08:06 311340 /lib/libnss_nis-2.1.3.so
77b59000-77b5b000 rw-p 00007000 08:06 311340 /lib/libnss_nis-2.1.3.so
77b5b000-77b5e000 r-xp 00000000 08:06 311334 /lib/libnss_dns-2.1.3.so
77b5e000-77b5f000 rw-p 00002000 08:06 311334 /lib/libnss_dns-2.1.3.so
77b5f000-77b6b000 r-xp 00000000 08:06 311346 /lib/libresolv-2.1.3.so
77b6b000-77b6c000 rw-p 0000b000 08:06 311346 /lib/libresolv-2.1.3.so
Local Time = Wed Nov 21 23:17:38 2001
Elapsed Time = 26581
# The exception above was detected in native code outside the VM
# Java VM: Java HotSpot(TM) Server VM (1.3.1_01 mixed mode)
# An error report file has been saved as hs_err_pid20055.log.
# Please refer to the file for further information.
Yummy. Signal 11's really make my day fun :(. I tried restarting the Server, but it crashed again in the same way 15 minutes later. Then I switched back to default settings and it has run fine all weekend.
The Sig11 makes me think either our C lib is buggy (our Linux distro is getting a bit old), or we have a physical memory problem. Odd that it only shows up when I tried your new settings though...

Connection dropping for a few minutes randomly, reoccuring issue for months now

So my Too long, didn't read I'll just post now: Is there anyway to speak directly to an elevated support technician? I'm tired of having to spend half an hour each time I call just to get to someone who can tell me to do more than just reset the modem/router, and that they are sending a signal, and that they are "changing some settings" on the modem. And here is my full story: In december I moved into a different apartment. They hooked everything up, things worked ok for about 2 weeks. Then I would get this issue where my gateway would drop connection out of nowhere. The Power light would stay on, but the DS and Online lights would go off, and then come back on a few minutes later. This became a consistent thing (a few times a day, ranging from internet being out for 30 seconds to an hour). I called, they brought a new modem, worked for about a day, same issue again. I called again. They brought another modem. Worked for a day, same issue again. I called again. They came out, this time they changed the coaxel running to the modem from the outside. Worked for about a day, same issue again. I called again. They came out, guy checked the signals and all that, put a new splitter on, checked the box outside that is attached to the apartment building, that goes to the powerline on the street. He updated some wiring that was in there. This worked for about a few weeks! success I thought. A few weeks later, same problem. This time a tech comes, says he remembers being here (He was the guy that came out for the initial install) and said he'd put in a work order for a truck to check the lines on the street. He didn't even bother checking any of my equipment because he knew it wasn't my stuff. Well this seemed to do the trick, or so I thought. I never actually got a call or email or anything that the truck came, so I just assumed the truck came and they checked the lines on the powerline because my internet was finally stable for a month. And then yesterday. The. Same. problem. Comes. Back. I call, and for now the 5th or 6th time, I have to go through their resetting script, even though I clearly state my issues, what has been tried, that they determined it wasn't my equipment and got a truck to check the lines on the powerline, and they IGNORE ALL THAT AND DO THE SAME THING WE'VE ALREADY DONE, SEVERAL TIMES. I am thoroughly, thoroughly upset at this point. I don't know what to do. All I want, is internet that doesn't cut out randomly, for more then 3 or 4 weeks. I can understand it cutting out "once in awhile", maybe one time for a few minutes every few weeks. I'd be happy with that at this point even. But I pay 180 dollars for my tv and internet package. This is UNACCEPTABLE. Is there a different number I can call, or someone I can write to? I need to know how to get this issue looked at by the proper personnel, or have them taking it more seriously then just checking things one time and being done with it.

I experienced the same problems for a month or more. I was as frustrated as you sound. In fact, I told them that the only new package (Evidently they are required to try to get you to upgrade your service when you call for problem resolution) I was interested in was ATT U-Verse. (Grin). I was very frustrated. I took additonal steps. I ran a seperate Coaxial cable across the floor of my house to disprove the "House wiring is bad" theory. I bought a new modem myself because mine was a year or two old. And who am I? They may have been correct. And yet my trouble continued. Finally, after some very angry calls to some poor ladies and men in some unknown country, I was finally contacted by somone in my local service area (South Florida) last night. "Tech 1" came out and replaced my sevice line from the pole to the house. He was still not satisfied with the signal, so he passed it on to the next level. An hour later "Tech 2" showed up and adjusted some settings he could only access by going up in the air. I will say this, and hopefully not jinx myself, that my modem connects instantly now. Both of these men were professional, they answered my questions. They worked hard, it is 90 degrees today. Both of these men told me that they would monitor my connection status throughout the next week. My major complaint now is "Why did it take so long to get help"? Once I got through to the "Front Line" things got better really fast. All of this work was accomplished today, Sunday, by cheerful, friendly people who helped me. If anyone from Comcast/Xfinity monitors this, please, commend the two techs who came to help me today. Another good thing might be to dispatch these people sooner, rather than put an electronics technician like myself, through that same script over and over again for a #%#$%^ month. Yes I have the cable connected, Yes it is plugged into my computer, no there is no router, hardwired not wireless. By all means send a refresh signal. You can't see my modem, well my modem sees you!

Incremental Garbage Collector is halting my server for MINUTES at a time.

I have a Java server which services hundreds (currently 300-700 on average, target of 2000+) of simultaneous client connections, with a staggering number of long lived (but not permanent) objects.
The docs for incremental garbage collection state: "The incremental garbage collector, which is off by default, will eliminate occasional garbage-collection pauses during program execution." This is NOT true in my case. During peak load, the Server halts occasionally (once an hour or more) and entire MINUTES tick by. Average wait time is 2.5 - 3.5 minutes, the highest I have seen is 4 minutes, 10 seconds. This is entirely unnacceptable.
The server is on Red Hat Linux 6.2, kernel 2.2.14-5.0, with a gig of RAM. My current command line options are
java -server -Xincgc -Xms256M -Xmx900M
And I have just added -verbose:gc to help analyze the gc performance. I have read the gc tuning guide at http://java.sun.com/docs/hotspot/gc/index.html but still feel rather clueless about what is the optimum setup for my particular application.
I will of course start experimenting, but I was hoping to find a "wise old elf" who might give some useful pointers to accelerate the process, seeing as how the Server is already running in a production capacity, time is critical.

Are you using a Java application server like Tomcat, Dynamo, WebLogic etc. ?
In that case consider running several server instances on the machine, with the applicationserver's software load balancer. Find the amount of RAM allocated to the heap per serverinstance where garbage collection runs takes a couple of seconds, and don't allocate more than this to each server. Start as many servers as you have available RAM for.
This is the approach recommended by application server vendors such as BEA http://edocs.bea.com/wls/docs61/perform/JVMTuning.html and ATG.
A side benefit of this approach is that in case you get more concurrent users than your computer can handle, you already have the setup for spreading the load over several computers.

Macbook Air cooling fan surges hugely for minutes at a time.

For the past 3 months now, my MacBook Air, OSX 10.9.3, 2.6 GHz Intel Core i7, 16 GB 1600 MHz DDR3, simply surges to a fever pitch for about 1 minute and then dies back away.
The system could even be in a quiet state running no unusual software, not challenging simulations, nothing.
I have IT staff looking at me saying stuff like...
- "Is your system going to explode?"
or
note realizing that is has a flash ram drive, "your hard drive is done for."
The fan works normally at a low pace from time to time in its normal work. But, simply takes off occassionally, what gives?

If gaming or watching videos
NORMAL
If it rapidly surges while doing the same thing for a long time, RESET THE SMC
RESET SMC
Shut down the computer.
Plug in the MagSafe power adapter to a power source, connecting it to the Mac if its not already connected.
On the built-in keyboard, press the (left side) Shift-Control-Option keys and the power button at the same time.
Release all the keys and the power button at the same time.
Press the power button to turn on the computer.
Note: The LED on the MagSafe power adapter may change states or temporarily turn off when you reset the SMC.
if same, then you have a damaged/ defective heat sensor tripping fan.

Connection drops for a few seconds?

Got BT infinity installed 2 weeks or so ago, It was alrite for the first week, But recently it's been starting to drop connection for a few seconds when watch Twitch.tv/Youtube or any other Video/Streaming website,
I test my connection on the follow website http://diagnostics.bt.com/login/?workflow=Connectivity , and i get the follow error message - http://gyazo.com/80f24a8a9c2e1438ee14518bd5d44e58
I've restarted Router + the openreach unit, and as i said its been happening for few days now.

As a general rule, it is fine to restart the router at any time. Best not to do anything with the modem unless absolutely necessary. Very occasional fiddling (nobody knows exactly what 'very occasional' means) won't harm, but more frequent changes such as power cycling can cause your speed to drop; the drop may last for a few weeks.

Firefox 9.01 hangs for minutes at a time on three different computers.

I upgraded all three of my machines to 9.01. All XP service pack 3. Before, if there was a stall in the data flow, I could access the other tabs or do other tasks.
Now if the modem hangs, I get a "not responding" from Firefox, which might last for 5 minutes.
I started watching my DSL modem, and realized that the data light was not blinking at all.
It was as though Firefox was not even pinging for data.
For a while, then the modem would go quiet and it would hang again.
I ran visualtrace to see where the blockage was, and as soon as I started the trace, the modem started downloading data, but Firefox does not see it.
The trace shows no blockages.
I used to open 4 or 5 tabs at once in the morning, and read them as they download.
Now, the browser is stalled until they all download, and that might take a long time, because no data is flowing.
If I click on the close button, the browser closes instantly, with no warning about closing tabs.
When I reopen it, it treats the close as a crash and give me the option of which tabs to try to reopen.
I am using Kaspersky but disabling it does not help.
I'm sure you will find the bug soon, and I will keep checking for updates.
I downloaded Chrome to have something to use while I waited, but saw a place where I could download version 8,X of Firefox. I will revert back to it at my office because I need a usable browser. I will try to limp along with 9 on my two personal machines, unless it takes too long.
I have the copy of 8.X on a thumb drive just in case.
I hope you find this bug soon. I want to stay current in my browser, and Chrome sucks.

Firefox Hangs
https://support.mozilla.com/en-US/kb/Firefox%20hangs
Check and tell if its working.

Connection drops for minutes at a time

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