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Mon, 29 Sep 2025 15:28:06 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 58TFS6sR023079 for bugs@FreeBSD.org; Mon, 29 Sep 2025 15:28:06 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 289904] virtual_oss - panicking after transitioning to the base Date: Mon, 29 Sep 2025 15:28:06 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: bin X-Bugzilla-Version: 16.0-CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: zarychtam@plan-b.pwste.edu.pl X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter Message-ID: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Bug reports List-Archive: https://lists.freebsd.org/archives/freebsd-bugs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-bugs@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D289904 Bug ID: 289904 Summary: virtual_oss - panicking after transitioning to the base Product: Base System Version: 16.0-CURRENT Hardware: amd64 OS: Any Status: New Severity: Affects Only Me Priority: --- Component: bin Assignee: bugs@FreeBSD.org Reporter: zarychtam@plan-b.pwste.edu.pl I have been using audio/virtual_oss for 5 years without issues. Now, when i= t's available in base, I just removed the port and left the settings in rc.conf= as they were: virtual_oss_enable=3D"YES" virtual_oss_dsp=3D"-S -i 8 -C 12 -c 6 -r 48000 -b 32 -s 512 -O /dev/dsp2 -R /dev/dsp4 -c 2 -d dsp -c 12 -d vdsp -t vdsp.ctl" After reboot, I had a nice panic, so I disabled the service and rebooted ag= ain, then started virtual_oss and collected a dump (see backtrace below). (kgdb) bt #0 __curthread () at /usr/src/sys/amd64/include/pcpu_aux.h:57 #1 doadump (textdump=3Dtextdump@entry=3D0) at /usr/src/sys/kern/kern_shutdown.c:399 #2 0xffffffff80498f7a in db_dump (dummy=3D, dummy2=3D, dummy3=3D, dummy4=3D) at /usr/src/sys/ddb/db_command.c:596 #3 0xffffffff80498d6d in db_command (last_cmdp=3D, cmd_table=3D, dopager=3Dtrue) at /usr/src/sys/ddb/db_command.c:508 #4 0xffffffff80498a3d in db_command_loop () at /usr/src/sys/ddb/db_command.c:555 #5 0xffffffff8049c2c8 in db_trap (type=3D, code=3D) at /usr/src/sys/ddb/db_main.c:267 #6 0xffffffff80bb3765 in kdb_trap (type=3Dtype@entry=3D3, code=3Dcode@entr= y=3D0, tf=3Dtf@entry=3D0xfffffe00d1b5eb20) at /usr/src/sys/kern/subr_kdb.c:790 #7 0xffffffff81069439 in trap (frame=3D) at /usr/src/sys/amd64/amd64/trap.c:614 #8 #9 0xffffffff808e8183 in ?? () #10 0xfffff801ee50b480 in ?? () #11 0xfffff801ee29d900 in ?? () #12 0xfffff802dbe80c00 in ?? () #13 0xfffff8029416ab00 in ?? () #14 0xfffff802db868d1c in ?? () #15 0xfffffe00fdeb9000 in ?? () #16 0xfffffe00fdeb9000 in ?? () #17 0x0000000000003ff0 in ?? () #18 0xfffff802dbe80c00 in ?? () #19 0xfffff802dbf02300 in ?? () #20 0xfffffe00fdeb9000 in ?? () #21 0xfffff802dbe80c00 in ?? () #22 0xfffffe00d1b5ed00 in ?? () #23 0xffffffff808eb4f6 in FEEDER_FEED (feeder=3D0xffffffff818a4800 , c=3D0xfffff802db868d00, buffer=3D0xfffffe00fdeb9000 "",=20 count=3D0, source=3D0xfffffe00fdeb9000) at ./feeder_if.h:91 #24 feed_mixer_rec (c=3D0xfffff801ee50b480) at /usr/src/sys/dev/sound/pcm/feeder_mixer.c:196 #25 feed_mixer_feed (f=3D, c=3D0xfffff801ee50b480, b=3D0xfffff802dbe80c00 "\200\301w\026", count=3D,=20 source=3D) at /usr/src/sys/dev/sound/pcm/feeder_mixer.c:= 245 --=20 You are receiving this mail because: You are the assignee for the bug.=