Date: Wed, 6 Jul 2005 02:31:37 +0200 From: Michael Nottebrock <lofi@freebsd.org> To: freebsd-stable@freebsd.org Subject: Panic: don't do that ... while unloading snd_ich.ko Message-ID: <200507060231.44255.lofi@freebsd.org>
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--nextPart1195937.nzcqrjP8PM Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline Readily reproducable, 5.4-STABLE as of last week. Kernel messages prior to panic (from memory): pcm0: unregister: mixer busy WARNING: Driver mistake: destroy_dev on 30/3 Backtrace: GNU gdb 6.1.1 [FreeBSD] Copyright 2004 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain condition= s. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "i386-marcel-freebsd". #0 0xc04ea796 in doadump () at pcpu.h:160 160 __asm __volatile("movl %%fs:0,%0" : "=3Dr" (td)); (kgdb) bt #0 0xc04ea796 in doadump () at pcpu.h:160 #1 0xc04eacc0 in boot (howto=3D260) at /usr/src/sys/kern/kern_shutdown.c:4= 13 #2 0xc04eaf54 in poweroff_wait (junk=3D0xc067dd2a, howto=3D-1066935045)=20 at /usr/src/sys/kern/ker #3 0xc04c455a in idestroy_dev (dev=3D0xc337e190)=20 at /usr/src/sys/kern/kern_conf.c:563 #4 0xc04c4684 in destroy_dev (dev=3D0xc06d3428)=20 at /usr/src/sys/kern/kern_conf.c:612 #5 0xc07a0f6c in ?? () #6 0xc06d3428 in devt_stash () #7 0xc2379980 in ?? () #8 0xc2379980 in ?? () #9 0xc2324200 in ?? () #10 0xe96c2c18 in ?? () #11 0xc07b0d7e in ?? () #12 0xc2379980 in ?? () #13 0xc2379980 in ?? () #14 0xc2379980 in ?? () #15 0xe96c2c30 in ?? () #16 0xc04feb37 in device_detach (dev=3D0xc23b65e0)=20 at /usr/src/sys/kern/subr_bus.c:2301 Previous frame inner to this frame (corrupt stack?) =2D-=20 ,_, | Michael Nottebrock | lofi@freebsd.org (/^ ^\) | FreeBSD - The Power to Serve | http://www.freebsd.org \u/ | K Desktop Environment on FreeBSD | http://freebsd.kde.org --nextPart1195937.nzcqrjP8PM Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.1 (FreeBSD) iD8DBQBCyyZwXhc68WspdLARAmGGAJ4qi/YUg30sf8iXcsMz87wdn4SGOQCfT6gM F6poS6S5EQYwxNInT8l/Rhk= =GXko -----END PGP SIGNATURE----- --nextPart1195937.nzcqrjP8PM--
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