Date: Wed, 4 Apr 2012 17:43:21 -0500 From: "Conrad J. Sabatier" <conrads@cox.net> To: Yuri <yuri@rawbw.com> Cc: freebsd-multimedia@freebsd.org, bug-followup@freebsd.org Subject: Re: kern/129604: [sound] Sound stops with error: pcm0:virtual:dsp0.vp0: play interrupt timeout, channel dead Message-ID: <20120404174321.2cdad829@cox.net> In-Reply-To: <4F7CC09F.7040702@rawbw.com> References: <201204010630.q316UILx083986@freefall.freebsd.org> <20120404162535.22acf544@cox.net> <4F7CC09F.7040702@rawbw.com>
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On Wed, 04 Apr 2012 14:43:59 -0700 Yuri <yuri@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@FreeBSD.org) so that whoever looks into it can at least > see the direction the patch was going. > > Yuri 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 | HDAC_SDCTL_RUN; -- Conrad J. Sabatier conrads@cox.net
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