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kern/56581: audiocfg: Kernel panic on USB audio test use
>Number: 56581
>Category: kern
>Synopsis: audiocfg: Kernel panic on USB audio test use
>Confidential: no
>Severity: critical
>Priority: high
>Responsible: kern-bug-people
>State: open
>Class: sw-bug
>Submitter-Id: net
>Arrival-Date: Sat Dec 25 19:40:00 +0000 2021
>Originator: vazub
>Release: 9.99.93-current, commit-524c6dec6a49d2e736ac120278ab8aa8113519b5
>Organization:
-
>Environment:
NetBSD nbsd 9.99.93 NetBSD 9.99.93 (VAZUB-DEBUG) #1: Sat Dec 25 14:28:32 CET 2021 vazub@nbsd:/home/vazub/code/github.com/netbsd/objdir/sys/arch/amd64/compile/VAZUB-DEBUG amd64
>Description:
Hardware used: Logitech Zone Wired Earbugs (tried with USB-C and USB-A connection)
On executing the `audiocfg test 0` (corresponds to attached hardware), system hangs, panics/dumps and restarts. Here is the cut from /var/log/messages, related to the error:
Dec 25 15:35:43 nbsd savecore: reboot after panic: [ 112.2831794] panic: kernel diagnostic assertion "xfer == SIMPLEQ_FIRST(&pipe->up_queue)" failed: file "/home/vazub/code/github.com/netbsd/src/sys/dev/usb/usbdi.c", line 1058 xfer 0xffffd49e869c1df8 is not start of queue (0xffffd49e903fc040 is at start)
>How-To-Repeat:
Run `audiocfg test <your_device_output>` with hardware specified. Could also break for other USB audio hardware, but have nothing to try with myself atm.
>Fix:
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