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SubjectRe: Oops in 2.6.15-rc1
From
Date
Hello;

On Thu, 2005-11-24 at 10:09 +0000, Brian Marete wrote:
[snip]

> saa7130[0]: option to override the default value.
> Unable to handle kernel NULL pointer dereference at virtual address 000006d0
> printing eip:
> c0299163
> *pde = 00000000
> Oops: 0000 [#1]
> PREEMPT
> Modules linked in: saa7134 video_buf v4l2_common v4l1_compat ir_common
> videodev via_agp agpgart snd_via82xx snd_ac97_codec snd_ac97_bus
> snd_mpu401_uart snd_rawmidi snd_seq_device snd_rtctimer snd_pcm_oss
> snd_pcm snd_timer snd_page_alloc snd_mixer_oss snd soundcore video fan
> button thermal processor via_rhine fuse md5 ipv6 loop rtc pcspkr
> ide_cd cdrom dm_mod
> CPU: 0
> EIP: 0060:[<c0299163>] Not tainted VLI
> EFLAGS: 00010296 (2.6.15-rc1)
> EIP is at input_register_device+0x9/0x180

This is due to a bug that's already been identified in v4l's input
support, caused by recent changes in the kernel's own input layer. A
patch has been proposed at the v4l list but it hasn't been tested yet.
A good way to skip this for now is to add "options saa7134 disable_ir=1"
to you modprobe.conf.
Be aware that v4l @ rc1 has other problems related to kernel VMA changes
that render video-buf unusable, and have been fixed after the release of
rc1. You may want to try the latest -mm.

--
RC

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