Ubuntu

Ubuntu 10.04 - System freezes

Asked by lklig

I have had this machine running Ubuntu from an 8 install. Everything ran great and stable up to a certain kernel update. The last running kernel that was stable is 2.6.27-14-generic. After the next upgrade my system freezes at a seemingly random time after starting up. It is not related to a certain application, as the freeze occurs after boot with nothing being done.

I recently upgraded to 10.04 with hopes of the problem being resolved, but the freezes continue. I'm using an nVidia GeForce 8400 GS card and I have compiled and installed the 195.36.15 drivers, outputting to a Sharp Aquous 1080p TV via HDMI.

When the server freezes the UI halts completely and continues to display. Once I reboot nothing in any of the messages, dmesg, system, Xorg log files show anything of note, but I'm happy to post them.

I now force the machine to boot with the old kernel and it runs indefinitely.

Does anyone have any suggestions how to debug this problem?

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La Ode Adam Saputra (laode-saputra) said : 		#1

i have same problem with you.

for my computer, i open the CPU and clean RAM.

i use IBM thinkcentre

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ByteSoup (bytesoup) said : 		#2

Hi, Did you compile and install the driver using the old kernel or did you recompile on the new kernel? Also its better not to compile / install drivers from nvidia rather use the built ones from the ubuntu repositories. Although Ive never setup an nvidia card I have had problems before where playing videos made the whole machine freeze with nothing in the logs. More often than not its a video driver and the Xserver not playing nicely.

Heres some links I found that might be of use to you I hope.

https://help.ubuntu.com/community/BinaryDriverHowto/Nvidia

https://help.ubuntu.com/community/NvidiaManual

You might wish to consider using an open source alternative such as nouveau

http://ubuntuforums.org/showthread.php?p=6592005

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lklig (lorne) said : 		#3

Yep, definitely recompiled the drivers with the new kernel and still had the freezing problem. I'll try with the Ubuntu built driver, and if that doesn't work I'll give nouveau a shot. I really like the vdpau ability of the nvidia driver though to offload from the main cpu.

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lklig (lorne) said : 		#4

I've updated to the most recent kernel, removed all nVidia drivers I had installed, and installed the prebuilt drivers from the Ubuntu repos. The box has now been up and running for over 4 days!

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lklig (lorne) said : 		#5

Thanks ByteSoup, that solved my question.

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lklig (lorne) said : 		#6

Unfortunately my system is freezing once again. My system is up to date with all of the latest updates installed.

I tried moving to the nouveau drivers, but the freezing still occurred, and the gdm usage was constantly at 100% cpu usage. Still nothing at all in any logs that can help.

Any ideas how I can get some sort of debug info to track this down?

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lklig (lorne) said : 		#7

Creating a new question.