| LOR |
lock order reversal:
1st 0xc42b7580 kqueue (kqueue) @ sys/kern/kern_event.c:1397
2nd 0xc3ece8e0 sleep mtxpool (sleep mtxpool) @ sys/kern/sys_generic.c:1255
KDB: stack backtrace:
db_trace_self_wrapper(c0b08871,e683aaa4,c079cafe,c0b0ade3,c3ece8e0,...) at db_trace_self_wrapper+0x26
kdb_backtrace(c0b0ade3,c3ece8e0,c0b043d7,c0b043d7,c0b0b09a,...) at kdb_backtrace+0x29
witness_checkorder(c3ece8e0,9,c0b0b09a,4e7,c42b7580,...) at witness_checkorder+0x6de
_mtx_lock_flags(c3ece8e0,0,c0b0b09a,4e7,40,...) at _mtx_lock_flags+0xbc
selrecord(c4474220,c42b75ac,c0b01a8d,575,c42b7580,...) at selrecord+0x9d
kqueue_poll(c4341cf0,40,c46f4000,c4474220,e683ab74,...) at kqueue_poll+0x65
poll(c4474220,e683acfc,c,e683ad38,c0bb84b8,...) at poll+0x2cc
syscall(e683ad38) at syscall+0x2b3
Xint0x80_syscall() at Xint0x80_syscall+0x20
--- syscall (209, FreeBSD ELF32, poll), eip = 0x287451db, esp = 0x8672f3c, ebp = 0x8672f98 ---
lock order reversal:
1st 0xc3ece280 sleep mtxpool (sleep mtxpool) @ sys/kern/kern_event.c:993
2nd 0xc4320d80 kqueue (kqueue) @ sys/kern/kern_event.c:1001
KDB: stack backtrace:
db_trace_self_wrapper(c0b08831,e683daac,c079cabe,c0b0ada3,c4320d80,...) at db_trace_self_wrapper+0x26
kdb_backtrace(c0b0ada3,c4320d80,c0b01d5d,c0b01d5d,c0b01a4d,...) at kdb_backtrace+0x29
witness_checkorder(c4320d80,9,c0b01a4d,3e9,7db,...) at witness_checkorder+0x6de
_mtx_lock_flags(c4320d80,0,c0b01a4d,3e9,0,...) at _mtx_lock_flags+0xbc
kqueue_acquire(c445eaa0,4,e683db5c,c0b04436,f0,...) at kqueue_acquire+0x72
kern_kevent(c445eaa0,4,1,1,e683dc60,...) at kern_kevent+0x47
kevent(c445eaa0,e683dcfc,18,c0b0bacf,c0bb92e8,...) at kevent+0x19b
syscall(e683dd38) at syscall+0x2b3
Xint0x80_syscall() at Xint0x80_syscall+0x20
--- syscall (363, FreeBSD ELF32, kevent), eip = 0x2813dafb, esp = 0xbfbfd28c, ebp = 0xbfbfd388 ---
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