System Lockup

[John Baker]

Hi Zachary,

I wrote for the same issue yesterday. A little more research online 
revealed that this is a known issue with dual core chips and the 
proprietary nvidia driver that gutsy has in the achieve. I think it has 
something to do with a conflict in the SMP kernel switch causing kernel 
locks.

At any rate the fix I read about involved manually installing a 
different driver from the Nvidia web site. This seemed to work for some 
people. I found that the install failed for me and I have not had time 
to sort it out yet. Let me know if it works for you.

John

Zachary Sandberg wrote:
> Hi Guys, I am experiencing a very hard to track down issue, and I was 
> wondering if anyone could give me some pointers as to what to look for.
> 
> I have an IBM Intellistation A Pro, with dual AMD Opterons, 4BG Ram, and 
> 4 Seagate Cheetahs.  I recently bought this machine, and am trying to 
> figure out why it keeps locking up.  Initially, I installed 7.04, and 
> then 7.10 on it, and I experience the same randomized lockups, 
> frequently. They seem to happen when I open a file, or play with the 
> wobbly windows in compiz.  I cannot reliably duplicate the issue 
> however, sometimes I can go hours with out a hitch, sometimes minutes.
> 
> I have done a fresh install of Gutsy, with updates, and I have the same 
> issue.  I have run 72 hours of both memtest86, the Linux version of 
> prime95, along with IBM's own diagnostics with no abnormalities or errors.
> 
> I have tried to ssh into the machine when it was locked hoping that it 
> was the Nvidia driver that was the issue, but the kernel seemed to have 
> frozen, as it was not accepting requests.  I have an Nvidia 7600GT AGP 
> card in it at the moment, and have already tried two other cards, a 
> Radeon 9600, and 9600 Pro.  Still no luck.
> 
> Does anyone have any advice, I would very much appreciate it.
> 
> -Zach
> 
>