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Date: Fri, 18 Apr 2003 19:20:17 -0700 (PDT)
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To: freebsd-bugs@FreeBSD.org
From: Dan Naumov <dan.naumov@ofw.fi>
Subject: RE: kern/40711: CT5880-C sometimes fails to output sound
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The following reply was made to PR kern/40711; it has been noted by GNATS.

From: Dan Naumov <dan.naumov@ofw.fi>
To: freebsd-gnats-submit@FreeBSD.org
Cc:  
Subject: RE: kern/40711: CT5880-C sometimes fails to output sound
Date: Sat, 19 Apr 2003 05:21:28 +0300

 I just noticed a very strange thing:
 
 After my sound dissapeared again a few hours ago, I started looking for
 ways to get it back without a reboot and this is what I ran into:
 
 ==========================
 localhost# sysctl hw.snd
 hw.snd.targetirqrate: 32
 hw.snd.report_soft_formats: 1
 hw.snd.verbose: 1
 hw.snd.unit: 0
 hw.snd.maxautovchans: 4
 hw.snd.pcm0.buffersize: 4096
 hw.snd.pcm0.vchans: 1
 ==========================
 
 After doing this:
 
 ==========================
 localhost# sysctl hw.snd.pcm0.vchans=4
 hw.snd.pcm0.vchans: 1 -> 4
 ==========================
 
 The sound seems to work in all apps again. Is it possible that something
 "bumps down" the value of hw.snd.pcm0.vchans causing problems at the
 same time ?
 
 -- 
 Dan Naumov <dan.naumov [at] ofw.fi>