From owner-freebsd-current Sun May 20 10: 0:25 2001 Delivered-To: freebsd-current@freebsd.org Received: from cowpie.acm.vt.edu (cowpie.acm.vt.edu [128.173.42.253]) by hub.freebsd.org (Postfix) with ESMTP id 4BBCF37B422 for ; Sun, 20 May 2001 10:00:22 -0700 (PDT) (envelope-from mheffner@cowpie.acm.vt.edu) Received: (from mheffner@localhost) by cowpie.acm.vt.edu (8.11.3/8.11.3) id f4KGxps42495 for freebsd-current@freebsd.org; Sun, 20 May 2001 12:59:51 -0400 (EDT) (envelope-from mheffner) Date: Sun, 20 May 2001 12:59:51 -0400 From: Mike Heffner To: freebsd-current@freebsd.org Subject: panic: mutex vm not owned Message-ID: <20010520125951.A42449@cowpie.acm.vt.edu> Reply-To: mheffner@vt.edu Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG The machine is up for about one minute and then I ran `startx' and the screen turned black and it appeared to lockup, after about 30 seconds plus some banging on the keyboard it rebooted. I have 256mb ram, so it shouldn't be swapping at this point. The kernel and world are cvsupd to about 12am May 20 EDT, the following is the panic message: panic: mutex vm not owned at /usr/src/sys/vm/vm_object.c:330 This was the first time I've tried getting a crashdump and analyzing it, however when I follow the directions in the handbook, gdb seg. faults (could this be because it panic'd in the vm system ??) : enterprise# pwd /usr/obj/usr/src/sys/BUTTER enterprise# gdb -k GNU gdb 4.18 Copyright 1998 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 conditions. 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-unknown-freebsd". (kgdb) symbol-file kernel.debug Reading symbols from kernel.debug...done. (kgdb) exec-file /var/crash/kernel.0 (kgdb) core-file /var/crash/vmcore.0 Segmentation fault (core dumped) I also have DDB in my kernel config, but it didn't drop into DDB. Is there anything else I can test? I'm willig to test any patches or whatever. Thanks, Mike -- Mike Heffner Fredericksburg, VA http://filebox.vt.edu/users/mheffner To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message