Sound recording issues snd_t4dwave snd_csa

[Ariff Abdullah]

On Mon, 27 Mar 2006 23:36:23 -0500
Anish Mistry <mistry.7 at osu.edu> wrote:
> On my laptop running current as of about a week ago I get the 
> following when trying to use teamspeak:
> pcm0:record:0:dsp0.0: record interrupt timeout, channel dead
> It can't record any sound.  I've checked the mixer settings and they
> 
> are fine.
> 
> > cat /dev/sndstat
> FreeBSD Audio Driver (newpcm)
> Installed devices:
> pcm0: <Acer Labs M5451> at io 0x1000 irq 9 kld snd_t4dwave (4p/1r/1v
> 
> channels duplex default)
> 
> pcm0: <Acer Labs M5451> port 0x1000-0x10ff mem 0xfc101000-0xfc101fff
> 
> irq 9 at device 4.0 on pci0
> pcm0: <SigmaTel STAC9756/57 AC97 Codec>
> pcm0: [GIANT-LOCKED]
> 
This is a known, problematic driver.

> > sysctl hw.snd
> hw.snd.report_soft_formats: 1
> hw.snd.targetirqrate: 32
> hw.snd.feeder_rate_buffersize: 8192
> hw.snd.feeder_rate_scaling: 5
> hw.snd.feeder_rate_ratemax: 1102500
> hw.snd.feeder_rate_ratemin: 4000
> hw.snd.verbose: 1
> hw.snd.maxautovchans: 0
> hw.snd.unit: 0
> hw.snd.pcm0.buffersize: 4096
> hw.snd.pcm0.vchans: 0
> hw.snd.pcm0.vchanrate: 48000
> 
> When recording input using my desktop with teamspeak the recorded 
> voice sounds slow and muffled.  Running RELENG_6 as of a few days 
> ago.
> FreeBSD Audio Driver (newpcm)
> Installed devices:
> pcm0: <CS461x PCM Audio> at irq 5 kld snd_csa (1p/1r/2v channels 
> duplex default)
> 
> csa0: <CS4280/CS4614/CS4622/CS4624/CS4630> mem 
> 0xfebfd000-0xfebfdfff,0xfea00000-0xfeafffff irq 5 at device 10.0 on 
> pci0
> csa: card is Hercules Game Theatre XP
> csa0: [GIANT-LOCKED]
> pcm0: <CS461x PCM Audio> on csa0
> pcm0: <Cirrus Logic CS4294 AC97 Codec>
> pcm0: [GIANT-LOCKED]
> 
> > sysctl hw.snd
> hw.snd.report_soft_formats: 1
> hw.snd.targetirqrate: 32
> hw.snd.verbose: 1
> hw.snd.maxautovchans: 6
> hw.snd.unit: 0
> hw.snd.pcm0.buffersize: 0
> hw.snd.pcm0.vchans: 2
> 
> I don't know if these are regressions because I've never actually 
> tried anything with the mic input on either of these machines
> before. Playback on both systems work fine.
> 
> Let me know what other information I need to provide.
> 
Same old story :(


I'll revisit all these someday.


--
Ariff Abdullah
FreeBSD
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