Re: port-amd64/56172: Jabra Evolve 20 headset fails to work and may cause panic on removal or audio play

[Andrius V <vezhlys%gmail.com@localhost>]

The following reply was made to PR port-amd64/56172; it has been noted by GNATS.

From: Andrius V <vezhlys%gmail.com@localhost>
To: port-amd64-maintainer%netbsd.org@localhost, gnats-admin%netbsd.org@localhost, 
	netbsd-bugs%netbsd.org@localhost, gnats-bugs%netbsd.org@localhost
Cc: 
Subject: Re: port-amd64/56172: Jabra Evolve 20 headset fails to work and may
 cause panic on removal or audio play
Date: Sat, 15 May 2021 22:43:33 +0300

 This issue seems to be fixed in netbsd-current. Jabra headset is
 playing sound on audiocfg test. Removing it during test play causes
 assertion failure in src/sy/kern_subr_psref.c, line 296 (mismatched
 pref target class: 0x0 (ref) != 0xffffede25fb1f7c0 (expected)) though.
 
 On Sat, May 15, 2021 at 2:00 AM <vezhlys%gmail.com@localhost> wrote:
 >
 > >Number:         56172
 > >Category:       port-amd64
 > >Synopsis:       Jabra Evolve 20 headset fails to work and may cause panic on removal or audio play
 > >Confidential:   no
 > >Severity:       serious
 > >Priority:       low
 > >Responsible:    port-amd64-maintainer
 > >State:          open
 > >Class:          sw-bug
 > >Submitter-Id:   net
 > >Arrival-Date:   Fri May 14 23:00:00 +0000 2021
 > >Originator:     Andrius V
 > >Release:        NetBSD 9.2
 > >Organization:
 > >Environment:
 > NetBSD  9.2 NetBSD 9.2 (GENERIC) #0: Wed May 12 22:13:25 EEST 2021  andriusv@:/home/andriusv/netbsd-src/sys/arch/amd64/compile/GENERIC amd64
 > >Description:
 > I was trying to use Jabra Evolve 20 USB headset, but unfortunately I couldn't manage to hear any sound from it, I am receiving these two errors on audio play or test
 > audio1(uaudio0): trigger_output failed: errno=5
 > audio1(uaudio0): device timeout
 >
 > What is more, removing it from USB port or sometimes at the beginning of audio play, it may cause kernel to crash:
 > uvm_fault(0xffff981a31ae1188, 0x609ed000, 1) -> e
 > fatal page fault in supervisor mode
 > trap type 6 code 0 rip 0xffffffff80958670 cs 0x8 rflags 0x10206 cr2 0x609edda8 ilevel 0 rsp 0xffffd0825cd6acc0
 > curlwp 0xffff981a3058c140 pid 572.1 lowest kstack 0xffffd0825cd682c0
 > panic: trap
 > cpu1: Begin traceback...
 > vpanic() at netbsd:vpanic+0x160
 > snprintf() at netbsd:snprintf
 > startlwp() at netbsd:startlwp
 > alltraps() at netbsd:alltraps+0xbb
 > mutex_vector_enter() at netbsd:mutex_vector_enter+0x91
 > mixer_ioctl() at netbsd:mixer_ioctl+0x58
 > audioioctl() at netbsd:audioioctl+0x201
 > sys_ioctl() at netbsd:sys_ioctl+0x5ab
 > syscall() at netbsd:syscall+0x157
 > --- syscall (number 54) ---
 > 73ee925682ba:
 > cpu1: End traceback...
 >
 > >How-To-Repeat:
 > Connect Jabra Evolve 20, optionally make it as default device, try to play from it - gets device timeout/trigger_output failed errors.
 >
 > Start playing some video in the browser and disconnect the headset from USB port - system freezes, kernel crashes.
 > >Fix:
 >