Having some weird lockups...
I am wondering if anyone can point me in the right direction, lately I have been having random system lockups. Many times when it happens I cant get anything to run, if I drop out to a terminal it just sits waiting after I enter my password. I can usually use the alt-sysrq codes to shutdown, but sometimes I have had the system locked hard. This system has only started doing this about a month or 2 ago. I ran memtest and came up with no errors, reseated everything on the mobo, and the power supply is a fairly new ABS tagan modular unit. I have had things pop up in my log recently like this:
Code:
[ 304.318640] BUG: unable to handle kernel NULL pointer dereference at 0000000000000808 Thanks, Mike |
I'm not a kernel expert, but it does look like one of your PCI devices is either broken, or is having driver issues.
Kindly do a Code:
lspci |
Code:
00:00.0 Host bridge: Intel Corporation 82G33/G31/P35/P31 Express DRAM Controller (rev 02) Mike |
From what I can see in your kernel panic, it seems that it was currently executing the program gdmgreeter. Which is a part of gnome's X-Server login screen.
Tell me, when this happens, does it happen to occur immediately after it tries to start X? Also, the PCI device mentioned in the kernel panic is your Quote:
Does your chipset have a fan on it, and is it running? Perhaps it overheated, or got otherwise damaged due to a power surge? |
Well that time it was happening on gdmgreeter, other times it was other apps. My mobo is an MSI P35 neo2-fr, it has integrated heatpipes going to the nothbridge and southbridge, and it is all in an antec 900 case with the side fan installed and blowing at the mobo....so unfortunately I think my problem is deeper than a heat issue :-/
Thanks, Mike |
The usual way to find out if it is a hardware issue is to rip out your PCI cards one by one until your system is stable again, in the case of your PCI bridge, it won't be that easy ripping it out. . .
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