From owner-freebsd-current@FreeBSD.ORG Sun May 6 21:54:45 2012 Return-Path: Delivered-To: freebsd-current@FreeBSD.org Received: from mx2.freebsd.org (mx2.freebsd.org [IPv6:2001:4f8:fff6::35]) by hub.freebsd.org (Postfix) with ESMTP id EF60B106566B; Sun, 6 May 2012 21:54:45 +0000 (UTC) (envelope-from dougb@FreeBSD.org) Received: from opti.dougb.net (hub.freebsd.org [IPv6:2001:4f8:fff6::36]) by mx2.freebsd.org (Postfix) with ESMTP id 4234B1536FC; Sun, 6 May 2012 21:54:45 +0000 (UTC) Message-ID: <4FA6F324.4080107@FreeBSD.org> Date: Sun, 06 May 2012 14:54:44 -0700 From: Doug Barton Organization: http://SupersetSolutions.com/ User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:12.0) Gecko/20120506 Thunderbird/12.0.1 MIME-Version: 1.0 To: freebsd-current , mckusick@FreeBSD.org X-Enigmail-Version: 1.5pre OpenPGP: id=1A1ABC84 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: Subject: panic, seems related to r234386 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 06 May 2012 21:54:46 -0000 I got this with today's current, previous (working) kernel is r232719. panic: _mtx_lock_sleep: recursed on non-recursive mutex struct mount mtx @ /frontier/svn/head/sys/kern/vfs_subr.c:4595 FWIW I'm using ufs2, ext2fs, and msdosfs on this system. The panic occurred right after loading the linux kernel module, but I'm not 100% sure that's related. Full core.txt.0 is in my home directory on freefall. #0 doadump (textdump=1) at /frontier/svn/head/sys/kern/kern_shutdown.c:268 268 if (textdump && textdump_pending) { (kgdb) #0 doadump (textdump=1) at /frontier/svn/head/sys/kern/kern_shutdown.c:268 #1 0xffffffff80482999 in kern_reboot (howto=260) at /frontier/svn/head/sys/kern/kern_shutdown.c:454 #2 0xffffffff804823ca in panic (fmt=0x0) at /frontier/svn/head/sys/kern/kern_shutdown.c:642 #3 0xffffffff80471c25 in _mtx_lock_sleep (m=Variable "m" is not available. ) at /frontier/svn/head/sys/kern/kern_mutex.c:363 #4 0xffffffff80471cb0 in _mtx_lock_flags (m=Variable "m" is not available. ) at /frontier/svn/head/sys/kern/kern_mutex.c:212 #5 0xffffffff80517353 in __mnt_vnode_first_all (mvp=0xffffff819e9f0a58, mp=0xfffffe00051dc310) at /frontier/svn/head/sys/kern/vfs_subr.c:4595 #6 0xffffffff8042bdd5 in ext2_sync (mp=0xfffffe00051dc310, waitfor=2) at /frontier/svn/head/sys/fs/ext2fs/ext2_vfsops.c:835 #7 0xffffffff80521446 in sys_sync (td=Variable "td" is not available. ) at /frontier/svn/head/sys/kern/vfs_syscalls.c:150 #8 0xffffffff806b1d52 in amd64_syscall (td=0xfffffe0005149480, traced=0) at subr_syscall.c:135 #9 0xffffffff8069d697 in Xfast_syscall () at /frontier/svn/head/sys/amd64/amd64/exception.S:387 #10 0x00000008008b061c in ?? () Previous frame inner to this frame (corrupt stack?) (kgdb) -- This .signature sanitized for your protection