Date: Sun, 13 Oct 2013 12:05:35 -0400 From: Eitan Adler <lists@eitanadler.com> To: freebsd-current Current <freebsd-current@freebsd.org> Subject: devfs, zfs LoR Message-ID: <CAF6rxgnG8iJB3HLvrCQ=Z5hn7-N_MhX88g-fTxu86JiJUdHbug@mail.gmail.com>
next in thread | raw e-mail | index | archive | help
Hi, Is this real LoR or is it known to be invalid? lock order reversal: 1st 0xfffff800323725f0 zfs (zfs) @ /usr/src/sys/kern/vfs_mount.c:1237 2nd 0xfffff8010e9cdb78 syncer (syncer) @ /usr/src/sys/kern/vfs_subr.c:2210 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe0231f8a460 kdb_backtrace() at kdb_backtrace+0x39/frame 0xfffffe0231f8a510 witness_checkorder() at witness_checkorder+0xd23/frame 0xfffffe0231f8a5a0 __lockmgr_args() at __lockmgr_args+0x6f2/frame 0xfffffe0231f8a6d0 vop_stdlock() at vop_stdlock+0x3c/frame 0xfffffe0231f8a6f0 VOP_LOCK1_APV() at VOP_LOCK1_APV+0xf5/frame 0xfffffe0231f8a720 _vn_lock() at _vn_lock+0xab/frame 0xfffffe0231f8a790 vputx() at vputx+0x208/frame 0xfffffe0231f8a7f0 dounmount() at dounmount+0x327/frame 0xfffffe0231f8a870 sys_unmount() at sys_unmount+0x356/frame 0xfffffe0231f8a9a0 amd64_syscall() at amd64_syscall+0x265/frame 0xfffffe0231f8aab0 Xfast_syscall() at Xfast_syscall+0xfb/frame 0xfffffe0231f8aab0 --- syscall (22, FreeBSD ELF64, sys_unmount), rip = 0x80088a63a, rsp = 0x7fffffffd148, rbp = 0x7fffffffd260 --- -- Eitan Adler
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?CAF6rxgnG8iJB3HLvrCQ=Z5hn7-N_MhX88g-fTxu86JiJUdHbug>