[alsa-devel] Kernel crashes for unsupported sample rates

Takashi Iwai tiwai at suse.de
Fri May 16 16:38:20 CEST 2008


At Fri, 16 May 2008 17:16:18 +0530,
Aggarwal, Anuj wrote:
> 
> I have tried to apply the patch manually but I couldn't because I am on kernel version 2.6.22.1.
> 
> Is the patch available for my kernel version?

No.

> How should I go about it?

You can still try to resolve the conflicts manually.
The patch is relatively straightforward.

> One observation I had was when I removed "SNDRV_PCM_INFO_MMAP" from
> the "pcm_hardware_playback", the kernel stopped crashing. It gave
> me some error and returned. 

Yes.  The problem is the incosnsitency between ALSA DMA-mmap code
dma_alloc_coherent() on some architectures.


Takashi


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