Re: [crash/panic] Linux-2.6.0-test9

[Manfred Spraul]

Andrew Morton wrote:

> Gary Wolfe <gpwolfe@xxxxxxxxxxxx> wrote:
>  
>
> > Greetings,
> >
> > I have:
> >
> > Asus P4C800 Deluxe w/2.4GHz P4 (no HT and not 800Mhz bus)
> >
> > Tried test8 and, now, test9 and both exhibit same problem.
> >
> > The issue seems to be related to the PnPBIOS support under the Plug and 
> > Play Kconfig category.  When enabled I get a crash of the form:
> >
> > Linux Plug and Play Support v0.97 (c) Adam Belay
> > PnPBIOS: Scanning system for PnP BIOS support...
> > PnPBIOS: Found PnP BIOS installation structure at 0xc00f5350
> > PnPBIOS: PnP BIOS version 1.0, entry 0xf0000:0x5f3a, dseg 0xf0000
> > general protection fault: 0000 [#1]
> > CPU: 0
> > EIP: 0098:[<00002b60>] Not tainted
> > EFLAGS: 00010083
> > EIP is at 0x2b60
> > eax: 000023d6  ebx: 0000007a  ecx: 00010000  edx: 00000001
> > esi: dfed244e  edi: 0000006d  ebp: dfed0000  esp: dfed9eda
> >    
>
> Your stack pointer became misaligned.  I thought Manfred fixed that?
> You don't have nmi_watchdog enabled on the kernel boot command line
> do you?
>  
I fixed the double-oops caused by misaligned stack pointers, and the 
oops if kmem_cache_alloc is called with an misaligned stack pointer.
In this case it seem to be an oops in the bios itself.

Gary: did it work with 2.4? Are there any bios upgrades you could try? 
My guess is that the bios is just buggy.

--
   Manfred

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