On Tue, 20 Nov 2007 17:47:28 +0800 Dave Young <hidave.darkstar@gmail.com> wrote:

quoted text
> Hi,
> I encountered kernel warningsr. I just executed xawtv without video dev being found.
> 
> like this:
> 
> WARNING: at arch/x86/kernel/smp_32.c:561 native_smp_call_function_mask()
>  [<c0118769>] native_smp_call_function_mask+0x149/0x150
>  [<c0178dd9>] alloc_debug_processing+0xa9/0x130
>  [<c0372da0>] smp_callback+0x0/0x10
>  [<c0119b7c>] smp_call_function+0x1c/0x20
>  [<c0372dc8>] cpuidle_latency_notify+0x18/0x20
>  [<c0144eae>] notifier_call_chain+0x3e/0x70
>  [<c01450d4>] __blocking_notifier_call_chain+0x44/0x70
>  [<c0145117>] blocking_notifier_call_chain+0x17/0x20
>  [<c01454fd>] pm_qos_add_requirement+0x8d/0xd0
>  [<f887030c>] snd_pcm_hw_params+0x20c/0x2a0 [snd_pcm]
>  [<f88703ee>] snd_pcm_hw_params_user+0x4e/0x90 [snd_pcm]
>  [<f88741ed>] snd_pcm_capture_ioctl1+0x3d/0x230 [snd_pcm]
>  [<f88c1b28>] snd_pcm_hw_param_near+0x198/0x230 [snd_pcm_oss]
>  [<f88744fe>] snd_pcm_kernel_ioctl+0x7e/0x90 [snd_pcm]
>  [<f88c28fc>] snd_pcm_oss_change_params+0x2fc/0x750 [snd_pcm_oss]
>  [<f88c2e47>] snd_pcm_oss_make_ready+0x47/0x60 [snd_pcm_oss]
>  [<f88c3a4e>] snd_pcm_oss_sync+0x10e/0x290 [snd_pcm_oss]
>  [<f88c4daa>] snd_pcm_oss_release+0x9a/0xb0 [snd_pcm_oss]
>  [<c01801ae>] __fput+0x16e/0x200
>  [<c017e35c>] filp_close+0x3c/0x80
>  [<c017e409>] sys_close+0x69/0xd0
>  [<c01042da>] syscall_call+0x7/0xb
>  [<c0400000>] xfrm_notify_sa+0x110/0x290
>  =======================
> 

That was hopefully fixed.  You might care to test
ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/mm/broken-out-2007-11-20-01-45.tar.gz
to confirm that, if feeling sufficiently brave..

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