[Bug 278055] USB devices connected to hub not accessible after audio device inactive
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Date: Sat, 30 Mar 2024 20:14:39 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=278055 Bug ID: 278055 Summary: USB devices connected to hub not accessible after audio device inactive Product: Base System Version: 14.0-RELEASE Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: usb Assignee: usb@FreeBSD.org Reporter: fbsdbugs@sapka.me Hey. I use a Thinkpad X1 Extreme G2. I have an Ugreen USB hub/switch connected. There are three devices connected to the hub: - digital audio converter (Tempotec Sonata HD) - keyboard (Bastard KB) - yubikey My audio setup after connecting hub: cat /dev/sndstat Installed devices: pcm0: <NVIDIA (0x0094) (HDMI/DP 8ch)> (play) pcm1: <NVIDIA (0x0094) (HDMI/DP 8ch)> (play) pcm2: <NVIDIA (0x0094) (HDMI/DP 8ch)> (play) pcm3: <Conexant (0x1f86) (Analog 2.0+HP)> (play) pcm4: <USB audio> (play) default No devices installed from userspace. after connecting the hub, everything works fine. I can change the audio device via sysctl hw.snd.default_unit=4 However, If I disconnect the hub (switch to another device), the keyboard stops working. The built-in one on the laptop works. In my dmesg I can see pcm4: unregister: channel pcm4:virtual:dsp4.vp1 busy (pid 96759) pcm4: Waiting for sound application to exit! pcm4: unregister: channel pcm4:virtual:dsp4.vp1 busy (pid 96759) pcm4: Waiting for sound application to exit! pcm4: unregister: channel pcm4:virtual:dsp4.vp1 busy (pid 96759) pcm4: Waiting for sound application to exit! pcm4: unregister: channel pcm4:virtual:dsp4.vp1 busy (pid 96759) pcm4: Waiting for sound application to exit! When I pkill this PID, reconnect the Hub everything starts working again. -- You are receiving this mail because: You are the assignee for the bug.