kern/175220: [sound] sound stopping: play interrupt timeout, channel dead

[Stephan Schindel]

The following reply was made to PR kern/175220; it has been noted by GNATS.

From: Stephan Schindel <sts at tp1.rub.de>
To: bug-followup at FreeBSD.org, sts at tp1.rub.de, mav at FreeBSD.org
Cc:  
Subject: Re: kern/175220: [sound] sound stopping: play interrupt timeout,
 channel dead
Date: Sun, 13 Jan 2013 13:58:45 +0100

 Here are some additional informations, maybe this is useful:
 
 
 
 # cat /dev/sndstat
 FreeBSD Audio Driver (newpcm: 64bit 2009061500/amd64)
 Installed devices:
 pcm0: <VIA VT1708S_4 (Analog 2.0+HP/2.0)> (play/rec) default
 pcm1: <VIA VT1708S_4 (Rear-panel Digital)> (play)
 pcm2: <NVIDIA (0x0014) (HDMI/DP 8ch)> (play)
 pcm3: <NVIDIA (0x0014) (HDMI/DP 8ch)> (play)
 pcm4: <NVIDIA (0x0014) (HDMI/DP 8ch)> (play)
 pcm5: <NVIDIA (0x0014) (HDMI/DP 8ch)> (play)
 
 
 
 # mixer
 Mixer vol      is currently set to   0:0
 Mixer pcm      is currently set to 100:100
 Mixer line     is currently set to  58:58
 Mixer mic      is currently set to  65:65
 Mixer cd       is currently set to  58:58
 Mixer rec      is currently set to  35:35
 Mixer igain    is currently set to   0:0
 Mixer ogain    is currently set to 100:100
 Mixer monitor  is currently set to  65:65
 Recording source: cd
 
 
 
 # sysctl hw.snd
 hw.snd.vpc_reset: 0
 hw.snd.vpc_0db: 45
 hw.snd.vpc_autoreset: 1
 hw.snd.latency_profile: 1
 hw.snd.latency: 5
 hw.snd.report_soft_matrix: 1
 hw.snd.report_soft_formats: 1
 hw.snd.compat_linux_mmap: 0
 hw.snd.feeder_eq_exact_rate: 0
 hw.snd.feeder_eq_presets:
 PEQ:16000,0.2500,62,0.2500:-9,9,1.0:44100,48000,88200,96000,176400,192000
 hw.snd.feeder_rate_quality: 1
 hw.snd.feeder_rate_round: 25
 hw.snd.feeder_rate_max: 2016000
 hw.snd.feeder_rate_min: 1
 hw.snd.feeder_rate_polyphase_max: 183040
 hw.snd.feeder_rate_presets: 100:8:0.85 100:36:0.92 100:164:0.97
 hw.snd.vpc_mixer_bypass: 1
 hw.snd.verbose: 0
 hw.snd.maxautovchans: 16
 hw.snd.default_unit: 0
 hw.snd.version: 2009061500/amd64
 hw.snd.default_auto: 1
 
 
 
 # sysctl dev.pcm
 dev.pcm.0.%desc: VIA VT1708S_4 (Analog 2.0+HP/2.0)
 dev.pcm.0.%driver: pcm
 dev.pcm.0.%location: nid=28,29,26,31,30,27
 dev.pcm.0.%parent: hdaa0
 dev.pcm.0.play.vchans: 2
 dev.pcm.0.play.vchanmode: fixed
 dev.pcm.0.play.vchanrate: 48000
 dev.pcm.0.play.vchanformat: s16le:2.0
 dev.pcm.0.play.32bit: 24
 dev.pcm.0.rec.vchans: 3
 dev.pcm.0.rec.vchanmode: fixed
 dev.pcm.0.rec.vchanrate: 48000
 dev.pcm.0.rec.vchanformat: s16le:2.0
 dev.pcm.0.rec.32bit: 24
 dev.pcm.0.rec.autosrc: 2
 dev.pcm.0.buffersize: 65536
 dev.pcm.0.bitperfect: 0
 dev.pcm.1.%desc: VIA VT1708S_4 (Rear-panel Digital)
 dev.pcm.1.%driver: pcm
 dev.pcm.1.%location: nid=32
 dev.pcm.1.%parent: hdaa0
 dev.pcm.1.play.vchans: 2
 dev.pcm.1.play.vchanmode: passthrough
 dev.pcm.1.play.vchanrate: 48000
 dev.pcm.1.play.vchanformat: s16le:2.0
 dev.pcm.1.play.32bit: 24
 dev.pcm.1.buffersize: 65536
 dev.pcm.1.bitperfect: 0
 dev.pcm.2.%desc: NVIDIA (0x0014) (HDMI/DP 8ch)
 dev.pcm.2.%driver: pcm
 dev.pcm.2.%location: nid=5
 dev.pcm.2.%parent: hdaa1
 dev.pcm.2.play.vchans: 2
 dev.pcm.2.play.vchanmode: passthrough
 dev.pcm.2.play.vchanrate: 48000
 dev.pcm.2.play.vchanformat: s16le:2.0
 dev.pcm.2.play.32bit: 24
 dev.pcm.2.buffersize: 65536
 dev.pcm.2.bitperfect: 0
 dev.pcm.3.%desc: NVIDIA (0x0014) (HDMI/DP 8ch)
 dev.pcm.3.%driver: pcm
 dev.pcm.3.%location: nid=5
 dev.pcm.3.%parent: hdaa2
 dev.pcm.3.play.vchans: 2
 dev.pcm.3.play.vchanmode: passthrough
 dev.pcm.3.play.vchanrate: 48000
 dev.pcm.3.play.vchanformat: s16le:2.0
 dev.pcm.3.play.32bit: 24
 dev.pcm.3.buffersize: 65536
 dev.pcm.3.bitperfect: 0
 dev.pcm.4.%desc: NVIDIA (0x0014) (HDMI/DP 8ch)
 dev.pcm.4.%driver: pcm
 dev.pcm.4.%location: nid=5
 dev.pcm.4.%parent: hdaa3
 dev.pcm.4.play.vchans: 2
 dev.pcm.4.play.vchanmode: passthrough
 dev.pcm.4.play.vchanrate: 48000
 dev.pcm.4.play.vchanformat: s16le:2.0
 dev.pcm.4.play.32bit: 24
 dev.pcm.4.buffersize: 65536
 dev.pcm.4.bitperfect: 0
 dev.pcm.5.%desc: NVIDIA (0x0014) (HDMI/DP 8ch)
 dev.pcm.5.%driver: pcm
 dev.pcm.5.%location: nid=5
 dev.pcm.5.%parent: hdaa4
 dev.pcm.5.play.vchans: 2
 dev.pcm.5.play.vchanmode: passthrough
 dev.pcm.5.play.vchanrate: 48000
 dev.pcm.5.play.vchanformat: s16le:2.0
 dev.pcm.5.play.32bit: 24
 dev.pcm.5.buffersize: 65536
 dev.pcm.5.bitperfect: 0
 
 
 
 # dmesg | grep 'pcm[0-9]'
 pcm0: <VIA VT1708S_4 (Analog 2.0+HP/2.0)> at nid 28,29 and 26,31,30,27
 on hdaa0
 pcm1: <VIA VT1708S_4 (Rear-panel Digital)> at nid 32 on hdaa0
 pcm2: <NVIDIA (0x0014) (HDMI/DP 8ch)> at nid 5 on hdaa1
 pcm3: <NVIDIA (0x0014) (HDMI/DP 8ch)> at nid 5 on hdaa2
 pcm4: <NVIDIA (0x0014) (HDMI/DP 8ch)> at nid 5 on hdaa3
 pcm5: <NVIDIA (0x0014) (HDMI/DP 8ch)> at nid 5 on hdaa4
 pcm0: chn_write(): pcm0:virtual:dsp0.vp0: play interrupt timeout,
 channel dead