Date: Tue, 20 Jul 2004 01:23:52 -0700 (PDT) From: Don Lewis <truckman@FreeBSD.org> To: conrads@cox.net Cc: freebsd-current@FreeBSD.org Subject: Re: [amd64] Sound breakage with snd_ich driver Message-ID: <200407200823.i6K8Nrrc041129@gw.catspoiler.org> In-Reply-To: <XFMail.20040719142929.conrads@cox.net>
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On 19 Jul, Conrad J. Sabatier wrote: > This problem has persisted for the last several weeks now, close to a > month or so, I would say. > > Playing MP3s using madplay, everything works fine for a while, then > suddenly I get an "output: write: Invalid argument" error each time > madplay starts up. Any further attempts to use sound via any method or > app likewise fail. Sound remains broken until a reboot. > > Upgraded the system again yesterday, to the new "sound" drivers, same > results. > > I've attached truss output from one of these failed madplay runs. I suspect that the sound driver is getting interrupt timeouts and is marking the channel dead. Do you see the following message in /var/log/messages? play interrupt timeout, channel dead If so, I've seen other reports of this. I think the chn_write() code needs some careful analysis ...
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