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Re: Crashes on X Server [Linux kernel 2.6.30]



On Sat, Aug 15, 2009 at 09:19:00PM -0500, Andrés Kanski wrote:
> *Dear Kernel Maintainers*
> 
> Debian Kernel Team, Bastian Blank, Frederik Schueler & Maximilian Attems
> 
>    I write to tell us about an option in the kernel config that causes
> crashes on X server, specifically on ATI Rage video cards, a matter that is
> possibly able to crash another hardware according to the linux kernel
> configuration help. Well, the trouble is this line,

could you please test 2.6.31-rc6 and if it is still crashy
write a bug report with the crash info also duplicate it 
on bugzilla.kernel.org with dmesg and lspci -vv output.
 
> CONFIG_X86_PAT=y
> 
> Furthermore, the kernel help says,
> 
> config X86_PAT
>         bool
>         prompt "x86 PAT support"
>         depends on MTRR
>         ---help---
>           Use PAT attributes to setup page level cache control.
> 
>           PATs are the modern equivalents of MTRRs and are much more
>           flexible than MTRRs.
> 
>           Say N here if you see bootup problems (boot crash, boot hang,
>           spontaneous reboots) or a non-working video driver.
> 
>           If unsure, say Y.
> 
> 
> The problematic package is linux-image-2.6.30-1-686 on the testing branch
> 'squeeze'.

the aboves helptext is quite old, an easy and quick workaround
is to boot with the "nopat" bootparam, but for the 2.6.31-rc6
test please boot without this.
 
thanks

-- 
maks

ps no need to cc all of us personaly.


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