pcm0:virtual:0: play interrupt timeout, channel dead

[Ariff Abdullah]

On Thu, 23 Mar 2006 15:11:33 +0100
Tilman Linneweh <arved at freebsd.org> wrote:
> Hi list,
> 
> I am getting this timeouts:
>  pcm0:virtual:0: play interrupt timeout, channel dead 
> 
> on a 6.1-PRELEASE Machine (just tested with ich.c from CURRENT too)
> with this card:
> pcm0: <Intel ICH5 (82801EB)> port 0xd800-0xd8ff,0xdc00-0xdc3f mem
> 0xfd201000-0xfd2011ff,0xfd202000-0xfd2020ff irq 17 at device 31.5 on
> pci0pcm0: <Avance Logic ALC655 AC97 Codec>
> 
> pcm0 at pci0:31:5: class=0x040100 card=0x92261509 chip=0x24d58086
> rev=0x02 hdr=0x00    vendor   = 'Intel Corporation'
>     device   = '82801EB/ER (ICH5/ICH5R) AC'97 Audio Controller'
>     class    = multimedia    subclass = audio
> 
> pcm0: <Intel ICH5 (82801EB)> at io 0xfd201000, 0xfd202000 irq 17
> bufsz 16384 kld
>  snd_ich (1p/1r/1v channels duplex default)
>         [pcm0:play:0]: spd 48000, fmt 0x10000010, flags 0x00103020,
>         0x00000000 interrupts 8919, underruns 0, ready 0
>         {userland} -> feeder_vchan_s16(0x10000010) -> {hardware}
>         pcm0:play:0[pcm0:virtual:0]: spd 44100/48000, fmt
>         0x10000010, flags 0x10
> 021030, 0x00000010, pid 68965
>         interrupts 0, underruns 0, ready 0
>         {userland} -> feeder_root(0x10000010) -> feeder_rate(44100
>         -> 48000) ->
> {hardware}
>         [pcm0:record:0]: spd 0, fmt 0x00000000/0x00000008, flags
>         0x00000000, 0x0
> 0000000
>         interrupts 0, overruns 0, hfree 16384, sfree 0
>         {hardware} -> feeder_root(0x00000000) -> {userland}
> 
> $ sysctl hw.snd
> hw.snd.report_soft_formats: 1
> hw.snd.targetirqrate: 16
> hw.snd.verbose: 2
> hw.snd.maxautovchans: 10
> hw.snd.unit: 0
> hw.snd.pcm0.buffersize: 16384
> hw.snd.pcm0.vchans: 1
> hw.snd.pcm0.ac97rate: 48000
> 
> Any ideas, what's going on?
> 

Is this something new? How about disabling vchans.


--
Ariff Abdullah
FreeBSD
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