Date: Sun, 30 Dec 2007 16:05:52 +0100 From: =?ISO-8859-1?Q?Johan_Str=F6m?= <johan@stromnet.se> To: freebsd-current@freebsd.org Subject: panic: rele: negative ref count Message-ID: <C8A652C9-8B31-4845-BCB8-5A111126E970@stromnet.se>
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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/
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