[linux-audio-user] help debugging alsa xruns

[Frank smith]

HI Carlos
I have the RME hamerfall running 16 tracks of ADAT.
If you need any testing let me know.

cheers
Bob



Carlos S wrote:

> Hi,
>
> I'm developing an audio capture program for the RME Hammerfall, but I 
> always get a lot of xruns even with big buffer size.
> my kernel version is 2.6.5-7.104-smp, alsa version is 1.0.3 and JACK 
> is 0.94.0
> I have activated alsa tracing in /var/log/messages and I always get 
> the same report:
>
> ALSA sound/core/pcm_lib.c:169: XRUN: pcmC0D0c
> Call Trace:
>  [__crc_vc_cons_allocated+861088/1876935] 
> snd_pcm_period_elapsed+0x3d4/0x440 [snd_pcm]
>  [<faf4c3d4>] snd_pcm_period_elapsed+0x3d4/0x440 [snd_pcm]
>  [__crc_vc_cons_allocated+1028019/1876935] 
> snd_hdsp_interrupt+0x177/0x180 [snd_hdsp]
>  [<faf74fe7>] snd_hdsp_interrupt+0x177/0x180 [snd_hdsp]
>  [handle_IRQ_event+47/96] handle_IRQ_event+0x2f/0x60
>  [do_IRQ+167/496] do_IRQ+0xa7/0x1f0
>  [common_interrupt+24/32] common_interrupt+0x18/0x20
>  [default_idle+0/64] default_idle+0x0/0x40
>  [default_idle+41/64] default_idle+0x29/0x40
>  [cpu_idle+36/80] cpu_idle+0x24/0x50
>  [start_kernel+842/976] start_kernel+0x34a/0x3d0
>  [unknown_bootoption+0/400] unknown_bootoption+0x0/0x190
>  [<c03ee100>] unknown_bootoption+0x0/0x190
>
> it would be greatly appreciated if you could give me some advise.
> Thank you very much for your help.
>
> Carlos
>
>
>

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