LOR: --- syscall (5, FreeBSD ELF64, sys_open), rip = 0x801913fba, rsp = 0x7fffffff2838, rbp = 0x7fffffff3100 ---

[Oliver Pinter]

FreeBSD pandora-d 10.0-STABLE FreeBSD 10.0-STABLE #0
0c38d4b(stable/10): Tue Feb 18 19:13:35 CET 2014
root at pandora-d:/usr/obj/usr/src/sys/OP-DEBUG  amd64

lock order reversal:
 1st 0xfffffe01ed89da68 bufwait (bufwait) @ /usr/src/sys/kern/vfs_bio.c:3050
 2nd 0xfffff80019b98400 dirhash (dirhash) @
/usr/src/sys/ufs/ufs/ufs_dirhash.c:284
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2b/frame 0xfffffe023790a270
kdb_backtrace() at kdb_backtrace+0x39/frame 0xfffffe023790a320
witness_checkorder() at witness_checkorder+0xd23/frame 0xfffffe023790a3b0
_sx_xlock() at _sx_xlock+0x71/frame 0xfffffe023790a3f0
ufsdirhash_add() at ufsdirhash_add+0x3b/frame 0xfffffe023790a430
ufs_direnter() at ufs_direnter+0x688/frame 0xfffffe023790a4f0
ufs_makeinode() at ufs_makeinode+0x573/frame 0xfffffe023790a6b0
VOP_CREATE_APV() at VOP_CREATE_APV+0xc4/frame 0xfffffe023790a6e0
vn_open_cred() at vn_open_cred+0x300/frame 0xfffffe023790a830
kern_openat() at kern_openat+0x25d/frame 0xfffffe023790a9a0
amd64_syscall() at amd64_syscall+0x239/frame 0xfffffe023790aab0
Xfast_syscall() at Xfast_syscall+0xfb/frame 0xfffffe023790aab0
--- syscall (5, FreeBSD ELF64, sys_open), rip = 0x801913fba, rsp =
0x7fffffff2838, rbp = 0x7fffffff3100 ---