[DragonFlyBSD - Bug #2067] sound/pcm: "play interrupt timeout, channel dead"

bugtracker-admin at leaf.dragonflybsd.org bugtracker-admin at leaf.dragonflybsd.org
Thu Nov 20 11:03:25 PST 2014

Issue #2067 has been updated by dillon.

I've committed 29ca9567 to master and cherry-pick'd it over to the 4.0 release. Please test.


Bug #2067: sound/pcm: "play interrupt timeout, channel dead"

* Author: matthiasr
* Status: New
* Priority: Normal
* Assignee: 
* Category: Driver
* Target version: 3.8.0
this fixes a "pcm0:virtual:0:dsp0.2: play interrupt timeout, channel dead" error 
and sound breaking off after a few seconds of playback I encountered on my 
Thinkpad X40. It was discussed on freebsd-current in 2004[1] but that code is no 
longer present in FreeBSD while we still have it.

The patch[2] removes a line fixing a channel timeout to 1 tick instead of the 
value calculated immediately beforehand, thus restoring the calculation.

[1] http://lists.freebsd.org/pipermail/freebsd-current/2004-

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