Date: Wed, 24 Sep 2008 12:34:54 -0400 From: John Baldwin <jhb@freebsd.org> To: freebsd-hackers@freebsd.org Cc: Jeff Wheelhouse <freebsd-hackers@wheelhouse.org> Subject: Re: panic: lockmgr on FreeBSD 7.0-RELEASE-p4 amd64 Message-ID: <200809241234.55075.jhb@freebsd.org> In-Reply-To: <BD22E0E4-D5B7-4C53-B3AF-461C0FA9A69C@wheelhouse.org> References: <D1048988-FAB7-4EDE-9EB8-8E01041C3F2A@wheelhouse.org> <BD22E0E4-D5B7-4C53-B3AF-461C0FA9A69C@wheelhouse.org>
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On Wednesday 24 September 2008 12:17:56 pm Jeff Wheelhouse wrote: > > We got the same panic again, this time after switching to the ULE > scheduler: > > panic: lockmgr: thread 0xffffff0050858350, not exclusive lock holder > 0xffffff00074959f0 unlocking > cpuid = 0 > KDB: stack backtrace: > db_trace_self_wrapper() at db_trace_self_wrapper+0x2a > panic() at panic+0x17a > _lockmgr() at _lockmgr+0x872 > VOP_UNLOCK_APV() at VOP_UNLOCK_APV+0x46 > null_unlock() at null_unlock+0xff > VOP_UNLOCK_APV() at VOP_UNLOCK_APV+0x46 > nullfs_mount() at nullfs_mount+0x244 > vfs_donmount() at vfs_donmount+0xe4d > nmount() at nmount+0xa5 > syscall() at syscall+0x254 > Xfast_syscall() at Xfast_syscall+0xab > --- syscall (378, FreeBSD ELF64, nmount), rip = 0x206845ac, rsp = > 0x7fffffffdfc8, rbp = 0x7fffffffdfd0 --- Can you use gdb or the like to get the souce file/line for the nullfs_mount+0x244 frame? i.e. 'gdb /boot/kernel/kernel' (gdb) l *nullfs_mount+0x244 -- John Baldwin
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