Ubuntu :: Random System Freeze / Lockup - Nothing In Logs

Jun 3, 2011

Running updated 11.04 on a older Dell Precision 360n. Been having random system freezes for the past month that requires a hard restart (REISUB doesn't work) each time. Sometimes the caps lock and scroll lock LEDs blink, other times not. sometimes it happens during boot, other times during normal usage. There hasn't been anything in any of the logs (except once, which I'll post below). This happened running 10.04 and 10.10 as well. I've run PC-check a few times and all hardware diagnostics have passed. Until today, i've been able to boot and run Trinity Rescue Kit 3.4 to mount the disk and examine the logs (and do backups), but now TRK won't boot and spews kernel panics when loading.

[code]....

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OpenSUSE Hardware :: After Adding RAM Modules - Random Screen Freeze/lockup

Jan 11, 2011

Basically when I add more than a single 2gb RAM module, my computer starts randomly crashing every half hour or so, the screen freezes with no response. I have tested the RAM with memtest 86+, it only happens when there is more than one module. The system is openSuse 11.2 64bit and it had a single 2gb RAM module when I first installed it, and removing all but this seemingly fixes the issue. The following is the error message I get when the system crashes, It seems to continue messaging after the initial visual lockup.

Jan 11 16:34:50 eddie kernel: [ 3129.580690] SysRq : HELP : loglevel(0-9) reBoot Crash terminate-all-tasks(E) memory-full-oom-kill(F) fGldbg kill-all-tasks(I) thaw-filesystems(J) saK show-backtrace-all-active-cpus(L) show-memory-usage(M) nice-all-RT-tasks(N) powerOff show-registers(P) show-all-timers(Q) unRaw Sync show-task-states(T) Unmount show-blocked-tasks(W) dump-ftrace-buffer(Z)

[code]....

I don't know what the problem is, but from searching the web it could be a number of problems, the memory is not being allocated correctly or it maybe there's some conflict no between my ATI HD card/driver (latest driver from ATI repo).

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OpenSUSE :: Intermittent Lockup / System Freeze With 11.3?

Jul 19, 2010

I've just installed OpenSuse 11.3 on my two Sony Vaio VPCF11Z1E machines (which have a Geforce GT 330M graphics card).Both machines appear to setup correctly and behave normally, but at seemingly random intervals (of the order of magnitude of 15-30 minutes) the whole system locks up for no readily apparent reason. I can still move the mouse pointer around the screen, but I cannot click on anything, and the whole keyboard is unresponsive (including any reasonable ctrl-alt-xxx which might normally help). The only way to get out of this seems to be to press and hold the power button to shut the whole machine off (which is not ideal!)

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Ubuntu :: 2.6.35-23 Random System Freeze / Crash - Fix It?

Nov 29, 2010

I seem to be having a problem on the new Kernel (2.6.35-23) with the system randomly freezing.

I have installed a number of things in recent days leading up to this problem, but when i boot with the old kernel i don't seem to have any issues. From this i am guessing its the new kernel.

The freezing seems (although i am not sure) to be worse when Rhythmbox is running. When it happens everything freezes, the playing song skips, replaying the same one second of music over and over. All the hotkeys stop and the mouse cursor stops responding.

I have seen people talking about system logs to look at system crashes but i don't know how to show those. I also doubt my ability to interpret them.

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General :: Random System Freeze ?

Mar 2, 2010

I'm running Fedora 12 with GNOME on an old Toshiba Satellite A15. From time to time I get a system freeze, where everything stops working besides the touch pad (I can move the cursor, just can't click on anything). When I boot up, I see an error message that it skips past before I can read anything, although I have spotted the snippets 'pci' 'error' and what appears to be the 0x at the start of a memory address. When I try and shut down the system (going either by command line or the System->Shut Down part), I get to the part where it says "Unmounting filesystems..." and then it stops right there. When I boot it back up, I get an error that says "A crash in package kernel has been detected."

The same happens when I boot up after the hard freeze. It seems more frequent when I have a heavy load on system memory, but for the most part it seems random. I've seen it crash after 5 minutes with only Pidgin or gedit open, I've seen it run for weeks with over 100 Firefox tabs, Pidgin, 3 documents, and GIMP running, but it seems more likely in the second scenario. It also seems to have a chance of freezing again within 5 minutes of rebooting (even if I don't touch anything after login). I ran Fedora 8 and Fedora 10 on this computer just fine, with most of the same system settings (copied my /home folder for each upgrade). I have a dual-boot system (XP/Fedora), with a third partition for data and a 200MB partition for the boot loader. The partition with Fedora is encrypted, and the crashing while trying to unmount the filesystem implies to me that might be the problem, but whatever it is, it wasn't in Fedora 8 or 10 (at least as far as I could tell).

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Red Hat / Fedora :: FC12 Freeze - Lockup - Kernel Panic ?

Jan 31, 2010

I am having a problem with lockups on a new FC12 box (dual core 3 ghz, 4 gb memory,nvidia 8400gs). This happens reliably when replaying MythTV videos, but also randomly at other times using other apps (I suspect also boot but I can't be sure; it just occasionally stalls part way through the boot display).

Usually but not always this is accompanied by a kernel panic (caps lock + scroll lock lights flash on keyboard).

I did a core dump with kdump and it reports: Thread 1 (<main task>): Cannot access memory at address 0xffff880028025b70I am in the process of running memtest86+ right now. It's been through several passes without errors. I'm going to let it run some more, but if that is dependable it's looking like the RAM sticks are not the problem.

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Fedora Hardware :: Nvidia - Dual GPU - Hard Lockup - Freeze ?

May 16, 2010

I've been running F@H on my system for a while now, these specs:

ASUS Rampage Formula
Q9450 @ 3.6Ghz
4GB DDR2
8800GT 512MB
Fedora 12

Running various different nvidia drivers, with working 3D, and running the latest nvidia drivers with cuda for GPU2 folding + SMP folding.

I decided to add a 9800GT to the machine for more folding PPD, and I've run into some issues.

Firstly there were problems starting X, it would hang as it started or even before it started, so I switched to RPMFusion's repo drivers which have the VGA_ARB patch applied. This now gets me into X and working 2D.

The problem I have is, although the system is completely stable running folding on all four cores, SMP, 24/7, as soon as I start anything involving 3D (such as glxgears) it will run for 3 seconds then hardlock the machine. I mean seriously lock it, no switching to terminals, and an ssh session into it from another PC dies.

Its the same with any other driver that will boot into X with the VGA_ARB patch (talking nvidia binary here).

Both cards work perfectly individually, AND both cards work, including full 3D in Windows 7 when together, which would tend to rule out a hardware fault.

Here is my xorg.conf

Code:

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Ubuntu :: Random Freeze On Startup ?

May 27, 2010

This has been confusing me for a while. It usually takes about 4 or 5 times of hitting the power button for it to start up to the login screen. All it does is go to the Ubuntu splash screen and that's it. The colored dots don't change or anything. It just sits there. I ran the memory test to be sure it wasn't RAM and it ran fine.

System specs:

OS: 10.04
CPU: E8400
GPU: 9600GT
Hard drive: 250 GB Seagate
RAM: 2 GB
Mobo: 780i SLI FTW

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Ubuntu :: Random Hard Freeze ?

Jun 15, 2010

I've been getting a random hard freeze, in both windows and linux, so I'm pretty sure it's not a software thing. I've run memory diagnostics in windows and it came out fine, I'm not sure what other diagnostics I can run. what tools can I run in linux that might help me further diagnose the problem? I haven't installed any new hardware, and I blasted the inside with some compressed air to err on the side of caution, but I still have problems. i'm running the latest ubuntu ver btw

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Ubuntu :: Random Freeze Of Natty?

Jul 5, 2011

I had installed Ubuntu Studio Natty from scratch onto a fresh partition, keeping Ubuntu Studio Maverick on another partition until I was sure Natty was working right. But whenever I tried using Natty the system would totally freeze, or so it seemed. Everything would freeze except the mouse pointer. Even the clock, which I have displaying seconds, would stop counting. I searched all over and there seemed to be little agreement about the cause of this, but a lot of people seemed to be experiencing it. It seemed to me however that there was a trend toward blaming new 3D features, and some tips suggested starting with 3D display features disabled; I forget now how to do that, but I do know that it didn't work for me.

After sort of giving up for a couple of months and going back to Maverick I had the idea to try installing (actually "activating") the Nvidia proprietary driver---and the problem seems to have been totally fixed. That's literally all I did, and for at least a few weeks, maybe a month or more, no freezes.

I should add that after a while the symptoms revealed that it wasn't necessarily that the computer was freezing, it was that it would rev up to maximum CPU usage and stay there, with a restart the only solution, until it would start again, seemingly at random, after several minutes to a half hour usually.

I have a Sony Vaio VPCF116FX laptop.

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Ubuntu :: 10.04 LTS Random Freeze - Hang-up

Jul 20, 2011

My problem is that my server randomly hangs. If I remember right it started after an kernel update (can't really remember if it was a kernel update specific, but I did install new updates before this problem occurred), and then I noticed my server was down one day, after that the problems/random freezes continued. And there are no pattern/interval between the freeze ups.

I think that all this started for about 3 weeks ago, so I've never had this problem with Ubuntu 10.04 before.

At first, I thought the source to my problem was an old IDE which I accidentally left in when installing Ubuntu at the first time, so GRUB was sitting on that one. So I backed up almost all of my data, reinstalled Ubuntu 10.04 (downloaded from the website) but this time without the old IDE drive. Everything seemed to work, had no crashes or freezes. I do have to mention that the same thing happend to the live CD before I removed the old IDE.

But now the fresh install of Ubuntu seems to hang too. And the worst part of this is that I can't really do anything about it to test or look up what may cause the problem, as I have to access it remotely because I'm on vacation right now (I'll have to get my friend over there and restart it).

When the computer hangs it comes inaccessible from the network, can't even see that it is up in my router. But I do know it is running, else it would have been shut off and then started up again and work.

Before I re-installed it, this problem could be reproduced by surfing the web and watching flash videos in either chromium or Firefox.

And I do know it sounds silly to run a server with the desktop edition installed, but if I don't have any other computer accessible, I use my server instead.

My server specs:

CPU: Intel Core 2 Quad 2.5 GHz
GFX: XFX Nvidia Geforce 8600GT
Mobo: EVGA 750i FTW
RAM: Corsair Dominator 2GB
HDD: Western Digital 500 GB

I also have no special effects nor do I use any proprietary drivers (I did before I re-installed).

Any ideas of what it might be? Is it a bug which came with the updates, like a bug in the kernel?

I've noticed that there actually are alot of threads like mine around here, but none have provided a working solution.

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OpenSUSE Hardware :: Opensuse 11.3 Lockup With KWin / Everything Will Freeze Except Mouse Pointer

Aug 30, 2010

I'm experiencing random lockups. There are 2 types.1st time this happened when I enabled Kwin compositing effects. The screen turned black and it froze, the mouse pointer froze. Nothing would move. 5 Minutes later I just hard reset the Laptop. I was afraid something could be corrupted as it was shutdown in a bad way. On boot up Kwin's compositing effects were in place.Randomly working on the laptop, everything will freeze except the mouse pointer. This happens like once in a while though.I have a feeling this has something to do with my Dell Studio 1555 Intel GM4500 MHD graphics.

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Fedora :: 12 Random Freeze ?

Dec 18, 2009

I just installed Fedora 12. Now i've seen a few other threads but they seem to have all the conclusion that its the Nvidia drivers at fault. Well i have an ATI Mobility Radeon 3400 series. I can login, and navigate for a little bit, then it just randomly freezes. I've booted to both gnome and KDE, kde freezes almost immediately w/o letting me navigate much. Gnome takes a bit and then freezes on me. I managed to login once and go like 6 minutes then i thought it was worked out, rebooted and boom, froze up again. I can still move my mouse but can't click or use keyboard. Ctrl+Alt+Backspace doesn't work either .....

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Ubuntu :: 10.04 Random Freeze On A Single Core CPU?

Oct 1, 2010

As this thread [URL]... reached over thousand posts, it's obvious that these freezes (which actually boils down to keyboard and mouse not being listened to by X server, so "not working") hit large numbers of Ubuntu users. As that thread is already very large and hard to read I'd like to advance a hypothesis here : This problem occurs only on multi-core CPUs.

I've installed 10.04 on two machines: and old box with a Duron and new one with quad core. The old box runs just fine with 10.04. The new one - you know Has anyone exeprienced this problem on a single core machine?

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Ubuntu Installation :: Random Freeze After 10 Minutes In 10.10?

Oct 14, 2010

I am a Ubuntu user since a few years (Breezy Badger was my first) now but I still don't know much about computers or commands so please bear with me. I used 10.04 on my HP pavillion PC of two years old without any problems. Now I upgraded to 10.10 with update manager. And it boots fine, but whatever I do, after aprox. 10 minutes everything just freezes. And I don't remember the magic phrase for soft reset, so I hit the power button.

I have searched the forums and could not find a satisfactory answer to my problem. I found this thread [URL] but have no idea how to do what's requested. Could anyone please tell me what to do?I know how to open a terminal, and type a command or two but that's basically it.

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Ubuntu :: Random Kernal Freeze On Laptop?

Nov 30, 2010

Keep having random freezes on my laptop.. Its a Dell Stdui 1558 running Ubuntu 10.10 however i dont get the freezes on 10.04.01

So i might have to revert back to 10.40.1 #

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Ubuntu :: Random Freeze Requiring Hard Restart ?

Apr 26, 2010

I was opening up a ODG doc and then my pc froze up. I powered it down, but now its telling me upon trying to open up the document again that someone else is accessing it so its locked.

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Ubuntu :: 10.04 - Lucid Lynx - Random Freeze - Hang-up

May 10, 2010

It seems that my Ubuntu 10.04 (clean install) to randomly freeze / hang (mouse/keyboard unresponsive, only a hard reboot is available as option) but with no garbled screens/windows/etc. There's no pattern why or any application that could be responsible. It could happen ten minutes after it is started or after 2 days but at some point and suddenly the system will become totally unresponsive, freeze and hang up. I used the same PC with Karmic Koala and releases before that (sometimes on for days) with no such problem so it shouldn't be a hardware problem.

I thoroughly check system logs after the hard reboot (System > Administation > Log File Viewer) and there's no entry around the time of each freeze / hang to pinpoint me to something.

The only thing that is certain is that the following errors / warnings always appear in .xsession-errors file:

Here is also some info about my system:
M/B: ASUS P4R800-V DELUXE
CPU: Intel(R) Pentium(R) 4 CPU 3.00GHz
RAM: 1GB
Graphics: ATI Radeon 9100 IGP

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Ubuntu :: Random Freeze - Neither The Mouse Or The Keyboard Will Respond

Jun 14, 2010

I am running Ubuntu 10.04, randomly while working in gnome with no particular application I get a freeze periodically. Neither the mouse or the keyboard will respond. I am running it on a lenovo Z61m laptop. I have had previous experience with Posix systems but I am a recent migrant from XP as my primary operating system. I never had such an issue with this computer which leads me to believe that it is not a hardware issue.

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Ubuntu :: U10.04 Random Freeze When Using Shortcut Keys / Sort It?

Jul 22, 2010

Everytime I use keyboard shortcut such as Alt-Tab to switch windows, my whole ubuntu freezes. I can still move mouse pointer but I cannot click anything.
Anyone has an idea?

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Ubuntu :: Random Mouse/keyboard Freeze In The Login Screen?

May 1, 2010

I downloaded and burnt the Kubuntu 10.04 release to a CD. I tried to install it. First time, couldn't find the disks and eventually it froze. Ok, second try, when it's contacting the "time server" (or whatever) another freeze, but this time I notice everything is running fine and then get a nice little image with the current time (increasing seconds and all). Third attemp, clicked the "update this installer" and it went fine. "Yay!" I thought. Well, a few minutes in my beautiful 10.04 system and again, another freeze. Hit the power button and to my surprise a "Shutdown" dialog shows up with a countdown. After 30 seconds it logs out and mouse is working again. I log back in and come here to write this long post, and as I was writing the title "Random mouse/ke..." guess what? Yeah, it froze again. And the little bar that goes after the writing continued happily blinking. Hit the power button but this time mouse and keyboard were still frozen in the login screen.

Short version: mouse and keyboard randomly freeze while the rest of the system apparently work fine.

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Ubuntu Installation :: Lucid & 2.6.36-1 Kernel: Random Freeze After Boot

Oct 26, 2010

I am using Ubuntu Lucid Lynx 10.04 (64 bits) in my Asus U30JC laptop (Core i3 M350, intel 4500MHD + nvidia 310M with nvidia Optimus, 4GB RAM). I am content with Lucid and I don't want to upgrade to 10.10 for now. However I read that the new 2.6.36 kernel has some good improvements, such as improving system interactivity while intensive I/O (such as copying large files), and improved energy management for i3/i5 processors (which I hope translates into more battery time, which is a problem of Ubuntu vs Win7 in my laptop).

I discovered I had 2 options: compile the kernel myself, or use the Ubuntu Kernel PPA (maintained by the Ubuntu Kernel Team). I decided to use the PPA, so I added it to my software sources and installed the generic"linux-lts-backport-natty" kernel (2.6.36-1).

Package installation went fine, and after reboot, I could log in to the desktop no problem. Everything seemed fine, but after a few minutes, the system freezes completely: mouse did not move, none of the indicators moved, even Ctrl + Alt + F1 did not work.Where is the log file where there might be a message related to the freeze? Do you think that the kernel developers would try to fix a bug that probably only affects people running the 2.6.36-1 kernel on a distribution that was not built around it?

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Ubuntu :: Repeating - Random Total Freeze - New Install - Troubleshoot

Oct 17, 2009

Ubuntu 9.04, all updates
Latest firmware, etc
abit SG-95 motherboard
2 GB Ultra DDR2
Intel Celeron 360 cpu
PNY GeForce 9500 GT video

Started 2 weeks ago, random and total freeze of system (video, keyboard, mouse).

Nothing useful in th log, other than it occurs at the same time syslogd restart show up in the log.

I don't even know where to begin, or how to troubleshoot the issue if nothing shows up in the log... could use some help, please.

Problem occurs with or without the nvidia drivers installed. Ubuntu or windows, same thing..connected or not connected to the internet

I've ran every memory test I can find, with no issues reported. HD seems OK. No other symptom that I can find, other than it croaking, usually when I'm in the middle of a broadcast or recording.

Is the only machine I have for now, I need to figure out what's wrong and replace it as quickly as possible, so I can get back to work.

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Debian :: Squeeze - Freeze Or Kerneloops At Random Time After Suspend

Jun 3, 2010

I'll start at the beginning. The problem i am about to describe occured in ubuntu 9.10 for the first time (https://bugs.launchpad.net/ubuntu/+bug/480850) and is ironically partly responsible for my switching to debian. which i don't regret, but it seems i can't run from the bug any longer because now it's in squeeze, so i want to fix it or make a proper bug report:

Steps to Reproduce:
1: Suspend Laptop to RAM
2: Resume from Suspend
3: Wait and see, preferably monitoring top:
At some random time, ranging from immediately (black screen after resume) to several hours later, the system will become unresponsive. Switching to tty1 or Alt+Print+K does not work, Alt+Print+REISUB does work. Each freeze is anticipated by a random process (this time it was mandb, was installing something) hogging 100% of CPU, then the System becomes gradually unresponsive within a minute or so (panel, metacity, finally mouse cursor freezes too).
Alternatively, in case of a black screen immediately upon resume, Alt+Print+K works (EDIT: or not), and the system remains usable.
Additionally, i don't know if this is related, i noticed one process using 9999% of CPU for a second according to top, just thought i'd mention it.
This bug constitutes a regression, suspend does work flawlessly on this Laptop in Lenny.

The above is how it presented itself at the beginning on a fresh squeeze install, however, after two days of trying, i additionally get kerneloops messages i did not get before (again, after at least one suspend to ram) and after that the system becomes generally unstable (random applications won't properly open or terminate, including nautilus, evolution, iceweasel). Can this be due to secondary damage from the freezes and alt+print+reisubbing repeatedly?

The good news is, apart from this probably already damaged squeeze install, i have another one on one of my playground partitons, where i avoided suspend so far, so i can still try things out there. (it's kde, but i don't think it's related to the desktop environment).

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OpenSUSE :: LibreOffice Causes Very Severe System Lockup

Jul 2, 2011

I am not sure of which LibreOffice version I am using because I can't open the ****ed program. So here's what's happening: I start LibreOffice, my screen looks unusual (it tiles a section of the screen that is the same size as the LibreOffice window (I think) across both of my monitors) and my system locks up. I am unable to use Ctrl+Alt+Backspace, Ctrl+Alt+Delete, Ctrl+Alt+F1-F8, or any other keyboard combination. No mouse click registers and the cursor acts as if the mouse is in one location (if the system locked up with my cursor over a link, the cursor stays like that) BUT the mouse still moves. Also, if I am playing music when it locks up, I can continue to hear the music and the music continues to shuffle through my playlist.

I am able to access my machine normally through ssh and the only way I've been able to fix this is to hold down the power button or pull the power. I have not identified what action causes the system to lock up, the only thing I've noticed is that LibreOffice is open every time this happens (It's happened no matter if Writer or Calc is open). The system almost always locks up upon startup of LibreOffice if the recovery window pops up, otherwise it locks up at some point during my LibreOffice session no matter what. I have not touched LibreOffice on my other machine's openSUSE installation, so I don't know how reproducible the problem is. Let me know if you need any extra information or if there are any diagnostic commands I could run.

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Debian Multimedia :: ALSA 1.0.23: System Lockup With E MU 0202

Mar 20, 2011

I have a E-MU 0202 USB soundcard that I want to use as a input for my Debian Squeeze 6.0.1. Stock squeeze (kernel 2.6.32-5-686, version 2.6.32-31) has alsa-driver 1.0.21 as kernel modules and alsa-utils 1.0.23. The E-MU needs 1.0.23+ alsa driver, with 1.0.21 it loads in alsa but is not functional (no input) So I tried to install the 1.0.23 modules with module assistant: m-a update && m-a prepare m-a a-i alsa I left all conf-files (like /etc/modprobe.d/alsa-base.conf) standard. When I now connect the E-MU device, my whole system becomes unresponsive (to keyboard/mouse), and I get the following messages in my console: BUG: soft lockup - CPU#0 stuck for 61s! [modprobe:1292] Also, when I start top before connecting, I can see modprobe process taking 100% for a few minutes before system freezes completely. It did generate an oops once: [URL].... Does anybody here have any ideas how to get this working?

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Fedora :: Heavy Software Raid I/o Causes System Lockup

May 9, 2011

Here is the scenario: I load hundreds of h264/ac3 video clips from my HD video camera onto a four disk software raid stripe under Fedora 14 running the 2.6.38.3-15.rc1.fc15.x86_64 kernel. I then run a python script I've written to do batch process transcoding on the clips so that I can then edit them in cinelerra. FWIW, the transcode command is: nice ffmpeg -i infile.MTS -y -deinterlace -s hd720 -r 29.97 -acodec pcm_s16be -ar 48000 -ac 2 -vcodec mjpeg -qscale 2 out.mov. The python script batches these commands until they are all completed.

The system is capable of 16 concurrent threads and I set up 8 concurrent run queues to do the processing. Occasionally (about one in every 7 runs), the system will hard lockup during the batch. The X screens are still visible, but the mouse and keyboard are dead and the onscreen clocks freeze. The network io led still flashes but the hard disk io led is on solid at that point, leading me to theorize a kernel bug in the software raid handling. I am not able to remote log in and the system must be then hard rest with the reset button. After the reset there is no useful information in the system logs. this is a pretty uber SMP machine: two westmere quad core cpus, 24GB of ram and a four WD disk software stripe array running under the Intel ICH10 controller. I also have a RocketRaid controller installed but no disks are currently attached to it, and I disabled its bios in the setup. Additional disks under the ICH10 are an SSD system disk, and a sata insertion caddy that I usually have occupied with a disk I do backups to. So, all 6 channels on the ICH are usuallt occupied. General output from hdparm -i is:

[code]....

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General :: Random "No Space On Device Messages" On All Open Terminals And In Logs?

Feb 14, 2010

Occasionally i get a "No space on device" message on all open terminals and in logs.How do i make it go away.

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Ubuntu :: Random Freeze And "Unrecovered Read Error" In /var/log/messages

Apr 3, 2011

System is Acer 5020 laptop with 32 bit Ubuntu 10.04 Lucid. I have following "smallish" problem. System freezes suddenly for a few seconds and after the freeze if I run following command to prompt

Code:
tail -n 100 /var/log/messages
I can find a following possibly related error

Code:

Apr 3 08:18:09 acer5020-laptop kernel: [ 1383.202090] ata1.00: configured for UDMA/100
Apr 3 08:18:09 acer5020-laptop kernel: [ 1383.202113] ata1: EH complete
Apr 3 08:18:13 acer5020-laptop kernel: [ 1387.568764] ata1.00: configured for UDMA/100
Apr 3 08:18:13 acer5020-laptop kernel: [ 1387.568786] ata1: EH complete

[Code]...

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Fedora Hardware :: Diagnose System Lockup - Extremely High Loads?

Dec 23, 2010

Where does one look in terms of diagnostics after a system lockup and hard reset? For example, one of my computers, running Fedora 14 i686, has taken to locking up quite a bit lately. My only way out is a hard reset. Now, once the thing is booted back up I'd like to try to figure out where the problem lies. Where do I look? Will any of the log files reveal anything relevant to me? If so, what sort of things would I be looking for. Keywords?

This same box also locked up when I had Fedora 14 x86_64 installed. I had read that there were some issues with the newer 64 bit kernels that were causing lockups and / or extremely high loads. This is why I switched back to the 32 bit version, 2 days ago to be exact. The box gets little use. It's a toy really and not my main "daily use" computer. It is, however, running folding@home. Maybe that's where the problem is. About 15 minutes ago I called home and had my wife reset the box, then I logged in from work and stopped the folding service. I'll have to see if it locks up without folding running. Folding was running on this box when I had the 64 bit version installed also.

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