Re: kern/58019: xhci causing occasional kernel panic/reboot (kassert failing)

["<name>" <netbsd%acc.zubko.cc@localhost>]

The following reply was made to PR kern/58019; it has been noted by GNATS.

From: "<name>" <netbsd%acc.zubko.cc@localhost>
To: gnats-bugs%netbsd.org@localhost
Cc: 
Subject: Re: kern/58019: xhci causing occasional kernel panic/reboot (kassert failing)
Date: Sat, 09 Mar 2024 20:56:42 +0100

 Here is the backtrace of the dump, for initial reference.
 
 zeronet$ doas crash -M netbsd.0.core                                             
 Crash version 10.99.10, image version 10.99.10.
 System panicked: kernel diagnostic assertion "xs->xs_xr[dci] == NULL" failed: file "/home/vazub/src/sys/dev/usb/xhci.c", line 2090 
 Backtrace from time of crash is available.
 crash> bt
 __kernel_end() at 0
 kern_reboot() at kern_reboot+0x87
 vpanic() at vpanic+0x182
 kern_assert() at __x86_indirect_thunk_rax
 xhci_open() at xhci_open+0x272
 usbd_setup_pipe_flags() at usbd_setup_pipe_flags+0xed
 usbd_open_pipe_ival() at usbd_open_pipe_ival+0xb9
 uaudio_chan_open() at uaudio_chan_open+0xa8
 uaudio_trigger_input() at uaudio_trigger_input+0x8a
 audio_rmixer_input() at audio_rmixer_input+0x95
 audio_rmixer_start() at audio_rmixer_start+0x44
 audio_open.constprop.0() at audio_open.constprop.0+0x478
 audioopen() at audioopen+0x22a
 cdev_open() at cdev_open+0x133
 spec_open() at spec_open+0x237
 VOP_OPEN() at VOP_OPEN+0x3e
 vn_open() at vn_open+0x35c
 do_open() at do_open+0xc3
 do_sys_openat() at do_sys_openat+0x74
 sys_open() at sys_open+0x24
 syscall() at syscall+0x1f2
 --- syscall (number 5) ---
 syscall+0x1f2: