On Wed, May 16, 2007 at 01:16:27PM -0400, Andrew Edwards wrote: > Here's the backtrace from the last crash along with the output from show > alllocks when the system was deadlocked. I have been running > 6.2-release and compliled with makeoptions debug=-g, invariants, > invariant_support and witness. I will update to 6-STABLE add > diagnositc, debug_locks and debug_vfs_locks as per the handbook > recommendation and retry. > > Yes, when the system was un-usable I was still able to ping it. I have > the serial console setup as the default console so I can remotely access > the box and break into the debugger etc. > > (kgdb) bt > #0 doadump () at pcpu.h:165 > #1 0xc059b480 in boot (howto=260) at > /usr/src/sys/kern/kern_shutdown.c:409 > #2 0xc059b795 in panic (fmt=0xc0787b04 "Most recently used by %s\n") > at /usr/src/sys/kern/kern_shutdown.c:565
That's a memory use-after-free. Check the DEBUG_MEMGUARD infrastructure for debugging of this. Kris _______________________________________________ freebsd-performance@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-performance To unsubscribe, send any mail to "[EMAIL PROTECTED]"