Date: Sun, 14 Feb 2021 09:55:33 +0100 From: Stefan Ehmann <shoesoft@gmx.net> To: multimedia@freebsd.org Subject: uaudio: pulseaudio locks up system Message-ID: <2633211.iL6vRArjjl@walrus.pepperland>
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FreeBSD locks up when my USB audio interface is connected and accessed via pulseudio. The interface is connected via USB hub. Symptoms: First USB mouse (on same hub) stops working. System becomes increasingly unresponsive until it totally locks up. I can reproduce the problem by simply running pactl list If I reboot immediately, shutdown also hangs. Kernel debugger shows this suspicious trace (transcribed by hand): __mtx_lock_sleep() uaudio_chan_play_callback() usbd_callback_wrapper() usb_command_wrapper() usb_callback_proc() usb_process() I'm on 13.0-BETA, amd64. This is the interface, but the problem also occurs with a different device= : uaudio0 on uhub3 uaudio0: <Scarlett Solo USB> on usbus2 uaudio0: Play[0]: 192000 Hz, 2 ch, 32-bit S-LE PCM format, 2x8ms buffer. uaudio0: Play[0]: 176400 Hz, 2 ch, 32-bit S-LE PCM format, 2x8ms buffer. uaudio0: Play[0]: 96000 Hz, 2 ch, 32-bit S-LE PCM format, 2x8ms buffer. uaudio0: Play[0]: 88200 Hz, 2 ch, 32-bit S-LE PCM format, 2x8ms buffer. uaudio0: Play[0]: 48000 Hz, 2 ch, 32-bit S-LE PCM format, 2x8ms buffer. uaudio0: Play[0]: 44100 Hz, 2 ch, 32-bit S-LE PCM format, 2x8ms buffer. uaudio0: Record[0]: 192000 Hz, 2 ch, 32-bit S-LE PCM format, 2x8ms buffer. uaudio0: Record[0]: 176400 Hz, 2 ch, 32-bit S-LE PCM format, 2x8ms buffer. uaudio0: Record[0]: 96000 Hz, 2 ch, 32-bit S-LE PCM format, 2x8ms buffer. uaudio0: Record[0]: 88200 Hz, 2 ch, 32-bit S-LE PCM format, 2x8ms buffer. uaudio0: Record[0]: 48000 Hz, 2 ch, 32-bit S-LE PCM format, 2x8ms buffer. uaudio0: Record[0]: 44100 Hz, 2 ch, 32-bit S-LE PCM format, 2x8ms buffer. uaudio0: No MIDI sequencer. pcm7: <USB audio> on uaudio0 uaudio0: No HID volume keys found.
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