[ltp] Random T41 hangs

[Chris Brotherton]

On Sun, Jun 27, 2004 at 02:55:21PM -0700, Brian Nelson wrote:
> Chris Brotherton <chris@protonlab.net> writes:
> 
> > On Sun, Jun 27, 2004 at 11:22:09AM -0700, Brian Nelson wrote:
> >> Chris Brotherton <chris@protonlab.net> writes:
> >> 
> >> > Sorry if this has been covered before, but I am running a T41 with 2.6.7
> >> > kernel.  Every once in awhile the machine totally locks up.  My logs don't
> >> > reveal anything.  Currently, I am using gentoo as my distro.  I am using apm
> >> > since I couldn't get suspend to work with ACPI.  
> >> >
> >> > Specs:
> >> > T41
> >> > kernel 2.6.7
> >> > distro gentoo
> >> > Xfree 4.3.0
> >> > Kde 3.2
> >> 
> >> That information is not very helpful...  except you mention you are
> >> running gentoo so you could be using some insane compiler optimization
> >> settings that are causing instability...
> >> 
> > My compiler flags are pretty standard:
> >
> > -O2 -march=pentium3 -fomit-frame-pointer
> 
> Those should be safe enough.
> 
> 
> > I got these out of the gentoo handbook.  What information could I give that
> > would be helpful?
> 
> I was thinking more along the lines of wireless chipset and driver used,
> (but you say you don't even use wireless, so that's not relevant), and
> the XFree86 driver (radeon or that non-free one).
> 
I use the radeon driver compiled as a module.

> 
> >> > Does anyone have any ideas where to start looking for this problem.
> >> 
> >> The primary suspect is usually wireless, since the drivers for any of
> >> the wireless chipsets used in these models are invariably sketchy.
> >> 
> [...]
> > As far as I can tell, the crashes occur at random and I cannot reproduce them.
> > As a result, I am at a loss.  I keep upgrading to the latest and greatest
> > kernel in hopes that it will fix the problem.  
> 
> I would also try a 2.4 series kernel.

I will probably try a 2.4 kernel as a last resort.  

> 
> 
> > Initially, I thought it might be a hardware problem, but I ran the IBM
> > diagnostic utility and everything passed.
> 
> You could also try running memtest86+ since that would probably be more
> exhaustive.
> 

I have tried the standard memtest86+ without any errors.  I am going to try
the extended test tonight.

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