From nobody Tue Jun 18 22:20:16 2024 X-Original-To: bugs@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4W3h5Y1BMLz5NMTb for ; Tue, 18 Jun 2024 22:20:17 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4W3h5X3xBcz4T0m for ; Tue, 18 Jun 2024 22:20:16 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1718749216; a=rsa-sha256; cv=none; b=sFKuLXAuVjd/TFraRa4uIDCJxqLLdYx/HNps1u4MXx0eR+T3P5sMx9noCY/7PkiIuRO1fb 6Wgd14mY9Bu4qGGZFD1WFjgbM3ca/4uMgv8Nkm2PBnrX3wcErockNKNLNwG8Nf88Guig0R DlsSDNsopftU7X68+3iehoWhUSZafPoyYkXsGuVcL5jPifFXf5PoIaLcNsPqnkgyE6Qu/e 1jYfOOTEMgpWACbzW+M4+r9sVAXeI+EPPESGe+x5+c2sIgFxZLKujJ3vxDsStUBaJbWrXM F7PQd6f46zV+piWuN60RHUjYtLzMfBlXB6azhmJTHGzAztEe5cd6p3s1isLlww== ARC-Authentication-Results: i=1; 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Tue, 18 Jun 2024 22:20:16 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 45IMKGnn047315 for ; Tue, 18 Jun 2024 22:20:16 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 45IMKGip047310 for bugs@FreeBSD.org; Tue, 18 Jun 2024 22:20:16 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 279839] panic: bogus vchan_create Date: Tue, 18 Jun 2024 22:20:16 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: CURRENT X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: dch@freebsd.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: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable 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=3D279839 --- Comment #1 from Dave Cottlehuber --- after a bit more experimenting, this sysctl is what causes problems: # dev.pcm.1.play.vchans=3D4 rebooting without that is fine, here are settings: # cat /dev/sndstat FreeBSD Audio Driver Installed devices: pcm0: on uaudio0 (1p:1v/1r:1v) snddev flags=3D0x2e2 [pcm0:play:dsp0.p0]: spd 48000, fmt 0x00200010, flags 0x00002100, 0x00000004 interrupts 216, underruns 0, feed 215, ready 0 [b:1536/768/2|bs:2048/1024/2] channel flags=3D0x2100 {userland} -> feeder_mixer(0x00200010) -> {hardware} pcm0:play:dsp0.p0[pcm0:virtual_play:dsp0.vp0]: spd 48000, fmt 0x00200010, flags 0x10000000, 0x00000021 interrupts 0, underruns 0, feed 0, ready 0 [b:0/0/0|bs:8192/1024/8] channel flags=3D0x10000000 {userland} -> feeder_root(0x00200010) -> feeder_volume(0x00200010) = -> {hardware} [pcm0:record:dsp0.r0]: spd 48000, fmt 0x00200010, flags 0x00002100, 0x00000005 interrupts 0, overruns 0, feed 0, hfree 1536, sfree 2048 [b:1536/768/2|bs:2048/1024/2] channel flags=3D0x2100 {hardware} -> feeder_root(0x00200010) -> feeder_mixer(0x00200010) -> {userland} pcm0:record:dsp0.r0[pcm0:virtual_record:dsp0.vr0]: spd 8000, fmt 0x00100008, flags 0x10000000, 0x00000000 interrupts 0, overruns 0, feed 0, hfree 0, sfree 0 [b:0/0/0|bs:0/0/= 0] channel flags=3D0x10000000 {hardware} -> feeder_root(0x00000000) -> {userland} pcm1: on uaudio1 (1p:1v/0r:0v) default snddev flags=3D0x200002e3 [pcm1:play:dsp1.p0]: spd 48000, fmt 0x00200010/0x00201000, flags 0x00002100, 0x00000006 interrupts 864, underruns 0, feed 863, ready 0 [b:3072/1536/2|bs:2048/1024/2] channel flags=3D0x2100 {userland} -> feeder_mixer(0x00200010) -> feeder_format(0x00200010 = -> 0x00201000) -> {hardware} pcm1:play:dsp1.p0[pcm1:virtual_play:dsp1.vp0]: spd 48000, fmt 0x00200010, flags 0x10000000, 0x00000021 interrupts 0, underruns 0, feed 0, ready 0 [b:0/0/0|bs:8192/1024/8] channel flags=3D0x10000000 {userland} -> feeder_root(0x00200010) -> feeder_volume(0x00200010) = -> {hardware} No devices installed from userspace. # sysctl -a dev.pcm.1 dev.pcm.1.feedback_rate: 47998 dev.pcm.1.mixer.mute_1.desc: dev.pcm.1.mixer.mute_1.max: 1 dev.pcm.1.mixer.mute_1.min: 0 dev.pcm.1.mixer.mute_1.val: 0 dev.pcm.1.mixer.vol_0.desc: dev.pcm.1.mixer.vol_0.max: 0 dev.pcm.1.mixer.vol_0.min: -32767 dev.pcm.1.mixer.vol_0.val: -14418 dev.pcm.1.mode: 3 dev.pcm.1.bitperfect: 0 dev.pcm.1.buffersize: 0 dev.pcm.1.play.vchanformat: s16le:2.0 dev.pcm.1.play.vchanrate: 48000 dev.pcm.1.play.vchanmode: fixed dev.pcm.1.play.vchans: 1 dev.pcm.1.hwvol_mixer: vol dev.pcm.1.hwvol_step: 5 dev.pcm.1.%parent: uaudio1 dev.pcm.1.%pnpinfo: dev.pcm.1.%location: dev.pcm.1.%driver: pcm dev.pcm.1.%desc: Chord Electronics Ltd Mojo --=20 You are receiving this mail because: You are the assignee for the bug.=