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Fri, 5 Jun 2026 08:22:58 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 295869] virtual_oss unkillable Date: Fri, 05 Jun 2026 08:22:58 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 15.1-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: bsd@orsolic.org 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 List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D295869 Bug ID: 295869 Summary: virtual_oss unkillable Product: Base System Version: 15.1-RELEASE Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: bsd@orsolic.org I'm running virtual_oss for changing between internal card (dsp2) and USB (dsp5) on FreeBSD 15.1-RC2. virtual_oss worked for days, switched sound between internal and external c= ard for Firefox, mpv, WINE. I was toying with 2nd USB card (dsp6) which is RP2040 MCU with DSPi firmwar= e, but I am not sure if that provoked this. That "sound card" produces sound on other FreeBSD PC without virtual_oss. On this system trying to play something with mpv will result in stuck audio ou= tput - no sound, timestamps are frozen, but there are no errors. Tried to stop virtual_oss but it is still in the list of processes. Closed = all application which use sound, still unkillable. # cat /dev/sndstat Installed devices: pcm0: (play) pcm1: (play) pcm2: (play/rec) default pcm3: (play/rec) pcm4: (play) pcm5: (play/rec) pcm6: (play) Installed devices from userspace: dsp: (play/rec) # grep virtual_oss /etc/rc.conf virtual_oss_enable=3D"YES" virtual_oss_dsp=3D"-i 8 -c 2 -S -r 48000 -b 16 -s 16ms -f /dev/dsp2 -d dsp = -t dsp.ctl" # ps aux | grep virtual_oss root 3548 0.0 0.1 85464 23860 - Dzthr_ DL - 15:12.33 [zfskern] 0 7 0 12 -15 0 0 16 - DL - 0:42.40 [rand_harvestq] 0 8 0 14 -15 0 0 48 psleep DL - 17:02.62 [pagedaemon] 0 9 0 15 -15 0 0 16 psleep DL - 3:02.29 [vmdaemon] 0 10 0 13 -15 0 0 16 audit_wo DL - 0:00.00 [audit] 0 13 0 8 0 0 0 48 - DL - 0:00.09 [geom] 0 14 0 5 -54 0 0 240 - DL - 32:57.17 [usb] 0 15 0 10 -15 0 0 128 psleep DL - 0:08.65 [bufdaemon] 0 16 0 12 -15 0 0 16 vlruwt DL - 0:01.64 [vnlru] 0 17 0 10 -7 0 0 16 syncer DL - 0:03.86 [syncer] 0 18 0 15 -15 0 0 16 - DL - 4:15.73 [racctd] 0 2182 0 15 -15 0 0 256 sleep DL - 0:00.00 [ng_queue] 0 3319 0 13 -15 0 0 16 pftm DL - 1:08.50 = [pf purge] 0 3548 1 15 -40 0 85464 23860 W D