On 20-Jul-2004 Don Lewis wrote: > 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. Yes, that's exactly right. > I think the chn_write() code needs some careful analysis ... That, as well as whatever is still causing these: ad0: TIMEOUT - WRITE_DMA retrying (2 retries left) LBA=123971136 -- Conrad J. Sabatier <conrads_at_cox.net> -- "In Unix veritas"Received on Tue Jul 20 2004 - 09:55:21 UTC
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