Date: Mon, 28 Oct 2013 18:30:00 GMT From: Hans Petter Selasky <hps@bitfrost.no> To: freebsd-usb@FreeBSD.org Subject: Re: usb/183409: USB Class 2 audio device playback issue Message-ID: <201310281830.r9SIU08m060816@freefall.freebsd.org>
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The following reply was made to PR usb/183409; it has been noted by GNATS. From: Hans Petter Selasky <hps@bitfrost.no> To: Taner <taner76gmail.com@FreeBSD.org> Cc: freebsd-gnats-submit@FreeBSD.org Subject: Re: usb/183409: USB Class 2 audio device playback issue Date: Mon, 28 Oct 2013 19:23:28 +0100 On 10/28/13 17:17, Taner wrote: > >> Number: 183409 >> Category: usb >> Synopsis: USB Class 2 audio device playback issue >> Confidential: no >> Severity: non-critical >> Priority: low >> Responsible: freebsd-usb >> State: open >> Quarter: >> Keywords: >> Date-Required: >> Class: sw-bug >> Submitter-Id: current-users >> Arrival-Date: Mon Oct 28 16:20:00 UTC 2013 >> Closed-Date: >> Last-Modified: >> Originator: Taner >> Release: 10.0-BETA1 >> Organization: >> Environment: > FreeBSD bsd 10.0-BETA1 FreeBSD 10.0-BETA1 #2 r256773M: Sun Oct 20 20:52:31 EEST 2013 root@bsd:/usr/obj/usr/src/sys/GENERIC amd64 >> Description: > My asyncronous USB to I2S interface (http://amanero.com/) has detected on a amd64 FreeBSD-10.0-BETA1 system. But playback is crackling like old vinyl records. > > I haven't similar issues with other operating systems. > > With enabling debug, lots of these error messages appear on dmesg output: > > uaudio_chan_play_sync_callback: Value = 0x0005fff8 > uaudio_chan_play_sync_callback: Comparing 47998 < 48000 > uaudio_chan_play_sync_callback: Value = 0x0005fff6 > uaudio_chan_play_sync_callback: Comparing 47998 < 48000 > > or > > uaudio_chan_play_sync_callback: Value = 0x000bfff0 > uaudio_chan_play_sync_callback: Comparing 95997 < 96000 > uaudio_chan_play_sync_callback: Value = 0x000bfff0 > uaudio_chan_play_sync_callback: Comparing 95997 < 96000 > > ---> dmesg output while device attached > > uaudio0: at uhub1, port 3, addr 1 (disconnected) > pcm0: detached > uaudio0: <Amanero Technologies Combo384 Amanero, class 239/2, rev > 2.00/1.80, addr 1> on usbus0 > uaudio0: Play: 96000 Hz, 2 ch, 32-bit S-LE PCM format, 2x8ms buffer. > uaudio0: Play: 88200 Hz, 2 ch, 32-bit S-LE PCM format, 2x8ms buffer. > uaudio0: Play: 48000 Hz, 2 ch, 32-bit S-LE PCM format, 2x8ms buffer. > uaudio0: Play: 44100 Hz, 2 ch, 32-bit S-LE PCM format, 2x8ms buffer. > uaudio0: Play: 32000 Hz, 2 ch, 32-bit S-LE PCM format, 2x8ms buffer. > uaudio0: No recording. > uaudio0: No MIDI sequencer. > pcm0: <USB audio> on uaudio0 > uaudio0: No HID volume keys found. >> How-To-Repeat: > Playback any audio file/stream. >> Fix: Hi, Can you add output from "usbconfig -d X.Y dump_device_desc dump_curr_config_desc" and "lsusb -vv" from /usr/ports/sysutils/usbutils Also, is the device directly connected to the USB port? No hub in between. Did you try other sample and bit rates by setting the sysctls below? hw.usb.uaudio.default_channels: 0 hw.usb.uaudio.default_bits: 32 hw.usb.uaudio.default_rate: 0 default_bits=16, 24 default_rate=48000 --HPS
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