Hey folks,

First, please 'reply-all' as I'm not on the list.

I've got a backup server that, every night, offloads things to a secondary, USB attached hard disk. We've got two of these disks, which we rotate so as to have a fairly recent off-site version, in the event of a disaster. One of the two drives has start to cause the backup server to core dump and reboot. The other works fine. I tried taking the problematic drive and repartitioning and reformatting it, but the problems persist.

Here is what I get from a kgdb:

[EMAIL PROTECTED]:/usr/obj/usr/src/sys/GENERIC-> sudo kgdb kernel.debug / var/crash/vmcore.17 [GDB will not be able to debug user-mode threads: /usr/lib/ 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 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-marcel-freebsd".

Unread portion of the kernel message buffer:
panic: softdep_deallocate_dependencies: dangling deps
cpuid = 0
Uptime: 11d20h37m38s
Physical memory: 1011 MB
Dumping 201 MB: 186 170 154 138 122 106 90 74 58 42 26 10

#0  doadump () at pcpu.h:195
195             __asm __volatile("movl %%fs:0,%0" : "=r" (td));

Any insight is appreciated.  uname -a is:

FreeBSD hostname 7.0-RELEASE-p3 FreeBSD 7.0-RELEASE-p3 #1: Tue Jul 15 13:53:28 CDT 2008 [EMAIL PROTECTED]:/usr/obj/usr/src/sys/GENERIC i386

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