From owner-freebsd-current@FreeBSD.ORG Sun Dec 30 15:06:47 2007 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 215D816A418 for ; Sun, 30 Dec 2007 15:06:47 +0000 (UTC) (envelope-from johan@stromnet.se) Received: from core.stromnet.se (core.stromnet.se [83.218.84.131]) by mx1.freebsd.org (Postfix) with ESMTP id CFA3613C447 for ; Sun, 30 Dec 2007 15:06:46 +0000 (UTC) (envelope-from johan@stromnet.se) Received: from localhost (unknown [83.218.84.135]) by core.stromnet.se (Postfix) with ESMTP id 0095DD467B2 for ; Sun, 30 Dec 2007 16:06:42 +0100 (CET) X-Virus-Scanned: amavisd-new at stromnet.se Received: from core.stromnet.se ([83.218.84.131]) by localhost (core.stromnet.se [83.218.84.135]) (amavisd-new, port 10024) with ESMTP id rwpE--666VlP for ; Sun, 30 Dec 2007 16:06:39 +0100 (CET) Received: from [172.28.1.102] (90-224-172-102-no129.tbcn.telia.com [90.224.172.102]) by core.stromnet.se (Postfix) with ESMTP id 9BE13D467B0 for ; Sun, 30 Dec 2007 16:06:39 +0100 (CET) Mime-Version: 1.0 (Apple Message framework v753) Content-Transfer-Encoding: quoted-printable Message-Id: Content-Type: text/plain; charset=ISO-8859-1; delsp=yes; format=flowed To: freebsd-current@freebsd.org From: =?ISO-8859-1?Q?Johan_Str=F6m?= Date: Sun, 30 Dec 2007 16:05:52 +0100 X-Mailer: Apple Mail (2.753) Subject: panic: rele: negative ref count 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, 30 Dec 2007 15:06:47 -0000 Just got this on a 7-beta4 machine when i did a reboot: .. Dec 30 15:55:34 back-1 reboot: rebooted by johan Dec 30 15:55:34 back-1 syslogd: exiting on signal 15 panic: vrele: negative ref count cpuid =3D 0 Uptime: 14d23h Physical Memory: 2024Mb Dumping 1591 MB: ........ Dump complete Automatic reboot...balba On next boot: Checking for core dump on /dev/mirror/gm1b... savecore: first and last dump headers disagree on /dev/mirror/gm1b savecore: unsaved dumps found but not saved Dec 30 15:57:51 back-1 savecore: first and last dump headers disagree =20= on /dev/mirror/gm1b with savecore -f i managed to dump a vmcore.0.. back-1 /var/crash$ kgdb /boot/kernel.old/kernel vmcore.0 kgdb: kvm_read: invalid address (0x406a00) [GDB will not be able to debug user-mode threads: /usr/lib/=20 libthread_db.so: Undefined symbol "ps_pglobal_lookup"] GNU gdb 6.1.1 [FreeBSD] Copyright 2004 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and =20 you are welcome to change it and/or distribute copies of it under certain =20 conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for =20 details. This GDB was configured as "amd64-marcel-freebsd". Cannot access memory at address 0xffffffff80a7cd70 (kgdb) where #0 0x0000000000000000 in ?? () Cannot access memory at address 0x0 Not very usefull..? Yes kernel.old since I just rebuilt with -RC1, =20 hence the reboot. Clues? -- Johan Str=F6m Stromnet johan@stromnet.se http://www.stromnet.se/