Re: 2.4.18pre2 oops using agpgart

Bob Glamm (glamm@mail.ece.umn.edu)
Thu, 10 Jan 2002 11:05:47 -0600


On Thu, Jan 10, 2002 at 05:44:17PM +0100, Cristiano Paris wrote:
> It finally turned out that using the agpgart module with my notebook makes
> my machine crash and reset. Here's the last oops :

Hehehe you think this error is specific to agpgart? I've seen very
similar traces from SMP. Even sent these specific tracebacks here,
offered to help track down the problem, got 0 help. This problem
has been around since at least 2.4.2.

Good luck.

-Bob

> Unable to handle kernel NULL pointer dereference at virtual address 00000004
> c012f857
> *pde = 00000000
> Oops: 0002
> CPU: 0
> EIP: 0010:[<c012f857>] Not tainted
> Using defaults from ksymoops -t elf32-i386 -a i386
> EFLAGS: 00010212
> eax: 00000000 ebx: ca5e3a80 ecx: 00000000 edx: c0254f34
> esi: 00000000 edi: ffffffe9 ebp: c14062e0 esp: c9a6bf54
> ds: 0018 es: 0018 ss: 0018
> Process fetchmail (pid: 3134, stackpage=c9a6b000)
> Stack: bfffeebc ffffffe9 c012e73a bfffeebc cc8c8000 00000000 bfffeeac c012e71a
> cf6902e0 c14062e0 00000000 00000003 cc8c8000 bffff624 cf6902e0 c14062e0
> bffff624 bfffeeac 00000000 00000001 00000001 c012ea4a cc8c8000 00000000
> Call Trace: [<c012e73a>] [<c012e71a>] [<c012ea4a>] [<c0106b0b>]
> Code: 89 50 04 89 02 ff 0d 24 4f 25 c0 31 c0 b9 1a 00 00 00 89 df
> Error (Oops_bfd_perror): set_section_contents Bad value
>
> >>EIP; c012f856 <get_empty_filp+16/108> <=====
> Trace; c012e73a <dentry_open+16/188>
> Trace; c012e71a <filp_open+52/5c>
> Trace; c012ea4a <sys_open+36/94>
> Trace; c0106b0a <system_call+32/38>
>
> I've seen many of these oops. Please help.
>
> Cristiano
>
> ----
> GnuPG Public Key Fingerprint (certserver.pgp.com)
> pub 1024D/BF762716 2002-01-08 Cristiano Paris (privata) <c.paris@libero.it>
> Key fingerprint = 91BA C55F 4B75 730D 5FB3 16AB 4202 9ACA BF76 2716
>
> -
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-- 
Q: How is software like drug addiction?
A: Periodically you need a fix, and a patch will cure all your ills.
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