Sound recording issues snd_t4dwave snd_csa

[Anish Mistry]

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]

> 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.

-- 
Anish Mistry
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