kern/129604: [sound] Sound stops with error:
pcm0:virtual:dsp0.vp0: play interrupt timeout, channel dead
olivier at gid0.org
Thu Apr 5 08:06:08 UTC 2012
2012/4/5 Conrad J. Sabatier <conrads at cox.net>:
> On Wed, 04 Apr 2012 14:43:59 -0700
> Yuri <yuri at rawbw.com> wrote:
>> On 04/04/2012 14:25, Conrad J. Sabatier wrote:
>> > I've been seeing this intermittently for a very long time. I've
>> > reported it and have received a patch from the sound maintainer,
>> > but it still occurs every so often nonetheless.
>> > This is a long-standing bugaboo that has yet to be fully resolved.
>> Maybe it's a good idea if you posted this patch into the bug comments
>> (bug-followup at FreeBSD.org) so that whoever looks into it can at least
>> see the direction the patch was going.
> Here's the patch I got from (I forget who sent it to me!):
> --- hdac.c (revision 230571)
> +++ hdac.c (working copy)
> @@ -1921,6 +1921,8 @@
> ctl |= 1 << ss;
> HDAC_WRITE_4(&sc->mem, HDAC_INTCTL, ctl);
> + HDAC_WRITE_1(&sc->mem, off + HDAC_SDSTS,
> + HDAC_SDSTS_DESE | HDAC_SDSTS_FIFOE | HDAC_SDSTS_BCIS);
> ctl = HDAC_READ_1(&sc->mem, off + HDAC_SDCTL0);
> ctl |= HDAC_SDCTL_IOCE | HDAC_SDCTL_FEIE | HDAC_SDCTL_DEIE |
> Conrad J. Sabatier
> conrads at cox.net
> freebsd-multimedia at freebsd.org mailing list
> To unsubscribe, send any mail to "freebsd-multimedia-unsubscribe at freebsd.org"
This patch has already been committed to 10-CURRENT and 9-STABLE :
# svn log -r232798 sys/dev/sound/pci/hda/hdac.c
r232798 | mav | 2012-03-10 22:58:08 +0100 (sam 10 mar 2012) | 13 lignes
MFC r230130, r230181, r230312, r230326, r230331, r230451, r230465, r230488,
r230507, r230511, r230513, r230532, r230537, r230551, r230554, r230571,
r230574, r230585, r230641, r230768, r230807, r231024:
Sync snd_hda(4) driver with HEAD.
This includes major code refactoring, HDMI support, new volume control,
automatic recording source selection, runtime reconfigureation, support
for more then 4 PCM devices on controller, multichannel recording,
additional playback/record streams, higher bandwidths support, more
informative device names and many other things.
Sponsored by: iXsystems, Inc.
Olivier Smedts _
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