>Number: 182842 >Category: kern >Synopsis: lock order reversal >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Tue Oct 08 22:50:01 UTC 2013 >Closed-Date: >Last-Modified: >Originator: Berend de Boer >Release: FreeBSD 10.0-ALPHA5 (latest svn) >Organization: Xplain Hosting >Environment: FreeBSD bmach.nederware.nl 10.0-ALPHA5 FreeBSD 10.0-ALPHA5 #0 r256132: Wed Oct 9 07:55:11 NZDT 2013 r...@bmach.nederware.nl:/usr/obj/usr/src/head/sys/BMACH amd64
>Description: Oct 9 11:35:00 bmach kernel: lock order reversal: Oct 9 11:35:00 bmach kernel: 1st 0xfffffe00f2c25f90 bufwait (bufwait) @ /usr/src/head/sys/kern/vfs_bio.c:3049 Oct 9 11:35:00 bmach kernel: 2nd 0xfffff80120adb530 snaplk (snaplk) @ /usr/src/head/sys/ufs/ffs/ffs_snapshot.c:2297 Oct 9 11:35:00 bmach kernel: KDB: stack backtrace: Oct 9 11:35:00 bmach kernel: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe011e5e85d0 Oct 9 11:35:00 bmach kernel: kdb_backtrace() at kdb_backtrace+0x39/frame 0xfffffe011e5e8680 Oct 9 11:35:00 bmach kernel: witness_checkorder() at witness_checkorder+0xd23/frame 0xfffffe011e5e8710 Oct 9 11:35:00 bmach kernel: __lockmgr_args() at __lockmgr_args+0x86c/frame 0xfffffe011e5e8840 Oct 9 11:35:00 bmach kernel: ffs_copyonwrite() at ffs_copyonwrite+0x17a/frame 0xfffffe011e5e88f0 Oct 9 11:35:00 bmach kernel: ffs_geom_strategy() at ffs_geom_strategy+0xdd/frame 0xfffffe011e5e8920 Oct 9 11:35:00 bmach kernel: bufwrite() at bufwrite+0x170/frame 0xfffffe011e5e8970 Oct 9 11:35:00 bmach kernel: ffs_sbupdate() at ffs_sbupdate+0x1c8/frame 0xfffffe011e5e89e0 Oct 9 11:35:00 bmach kernel: ffs_sync() at ffs_sync+0x526/frame 0xfffffe011e5e8ab0 Oct 9 11:35:00 bmach kernel: sync_fsync() at sync_fsync+0x129/frame 0xfffffe011e5e8ae0 Oct 9 11:35:00 bmach kernel: VOP_FSYNC_APV() at VOP_FSYNC_APV+0xf0/frame 0xfffffe011e5e8b10 Oct 9 11:35:00 bmach kernel: sched_sync() at sched_sync+0x34c/frame 0xfffffe011e5e8bb0 Oct 9 11:35:00 bmach kernel: fork_exit() at fork_exit+0x84/frame 0xfffffe011e5e8bf0 Oct 9 11:35:00 bmach kernel: fork_trampoline() at fork_trampoline+0xe/frame 0xfffffe011e5e8bf0 Oct 9 11:35:00 bmach kernel: --- trap 0, rip = 0, rsp = 0xfffffe011e5e8cb0, rbp = 0 --- >How-To-Repeat: Happens after reboot. >Fix: >Release-Note: >Audit-Trail: >Unformatted: _______________________________________________ freebsd-bugs@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-bugs To unsubscribe, send any mail to "freebsd-bugs-unsubscr...@freebsd.org"
