Re: OOPS in agpgart (2.4.13, 2.4.15pre7)

From: Didier Moens (moensd@xs4all.be)
Date: Sat Nov 24 2001 - 17:34:57 EST


Dear,

Stephan von Krawczynski wrote:

> On Fri, 23 Nov 2001 18:30:01 +0100
> Didier Moens <Didier.Moens@dmb.rug.ac.be> wrote:
>
>
>>Hi all,
>>
>>
>>This is my first oops report on lkml, so please be gentle with me. :)
>>
>>
>>Hardware : IBM A30p (P3-1.2 GHz) with Intel i830 and ATI M6 Radeon
>>Mobility LY
>>
>>
>>Symptoms : oops when modprobing agpgart, both in the RedHat 2.4.13-0.6
>>kernel and in a vanilla 2.4.15pre7.
>>
>
> Hello,
>
> could be that this code from /drivers/char/agp/agpgart_be.c is bogus:
>
[]

>
> Try this patch:
>

[]

After applying the patch, modprobing agpgart doesn't yield an oops
anymore ; unfortunately :

# modprobe agpgart
/lib/modules/2.4.15-did/kernel/drivers/char/agp/agpgart.o: init_module:
No such device
Hint: insmod errors can be caused by incorrect module parameters,
including invalid IO or IRQ parameters
/lib/modules/2.4.15-did/kernel/drivers/char/agp/agpgart.o: insmod
/lib/modules/2.4.15-did/kernel/drivers/char/agp/agpgart.o failed
/lib/modules/2.4.15-did/kernel/drivers/char/agp/agpgart.o: insmod
agpgart failed

And in /var/log/messages :

Nov 24 22:57:49 localhost kernel: Linux agpgart interface v0.99 (c) Jeff
Hartmann
Nov 24 22:57:49 localhost kernel: agpgart: Maximum main memory to use
for agp memory: 439M
Nov 24 22:57:49 localhost kernel: agpgart: Detected an Intel 830M, but
could not find the secondary device.

I don't have the slightest idea what the secondary device is supposed to
be ; "modprobe radeon" loads the DRM radeon module without any problems
whatsoever.

Kind regards,

Didier

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This archive was generated by hypermail 2b29 : Fri Nov 30 2001 - 21:00:17 EST