Re: kern/55856: uaudio gets device timeout on C-Media USB sound device

[Brian Buhrow <buhrow%nfbcal.org@localhost>]

The following reply was made to PR kern/55856; it has been noted by GNATS.

From: Brian Buhrow <buhrow%nfbcal.org@localhost>
To: gnats-bugs%netbsd.org@localhost
Cc: buhrow%nfbcal.org@localhost
Subject: Re: kern/55856: uaudio gets device timeout on C-Media USB sound device
Date: Thu, 10 Dec 2020 17:01:10 -0800

 	hello.  This appears to be a larger problem  with USB audio  as I just
 tried playing audio with a different USB audio device.  this one
 demonstrates the same errors as the C-Media device.  It probes as follows:
 
 [  2628.427533] uaudio0 at uhub1 port 7 configuration 1 interface 0
 [  2628.427533] uaudio0: Burr-Brown from TI (0x8bb) USB Audio CODEC (0x2902), rev 1.10/1.00, addr 4
 [  2628.427533] uaudio0: audio rev 1.00
 [  2628.427533] audio1 at uaudio0: playback, capture, full duplex, independent
 [  2628.427533] audio1: slinear_le:16 2ch 48000Hz, blk 11520 bytes (60ms) for playback
 [  2628.427533] audio1: slinear_le:16 2ch 11025Hz, blk 2640 bytes (59.8ms) for recording
 [  2628.427533] spkr2 at audio1: PC Speaker (synthesized)
 [  2628.427533] wsbell2 at spkr2 mux 1
 [  2628.427533] uhidev0 at uhub1 port 7 configuration 1 interface 3
 [  2628.427533] uhidev0: Burr-Brown from TI (0x8bb) USB Audio CODEC (0x2902), rev 1.10/1.00, addr 4, iclass 3/0
 [  2628.427533] uhid0 at uhidev0: input=1, output=0, feature=0
 [  2710.207532] audio1: trigger_output failed with 5
 [  2713.207533] audio1: device timeout
 [  2716.207533] audio1: device timeout