LOR so_snd_sx _at_ uipc_sockbuf.c and filedesc structure _at_ uipc_usrreq.c

From: Yuri Pankov <yuri.pankov_at_gmail.com>
Date: Wed, 25 Jan 2012 20:30:22 +0400
Hi,

Getting this LOR every time I login via ssh after reboot, and it doesn't
seem to be reported previously. Running 10.0-CURRENT r230537.

lock order reversal:
 1st 0xfffffe0160615490 so_snd_sx (so_snd_sx) _at_ /usr/src/sys/kern/uipc_sockbuf.c:148
 2nd 0xfffffe0029ef1048 filedesc structure (filedesc structure) _at_ /usr/src/sys/kern/uipc_usrreq.c:1872
KDB: stack backtrace:
db_trace_self_wrapper() at db_trace_self_wrapper+0x2b
kdb_backtrace() at kdb_backtrace+0x39
witness_checkorder() at witness_checkorder+0x715
_sx_slock() at _sx_slock+0x57
uipc_send() at uipc_send+0x1fe
sosend_generic() at sosend_generic+0x31a
kern_sendit() at kern_sendit+0x1bb
sendit() at sendit+0xf0
sys_sendmsg() at sys_sendmsg+0x61
amd64_syscall() at amd64_syscall+0x221
Xfast_syscall() at Xfast_syscall+0xfb
--- syscall (28, FreeBSD ELF64, sys_sendmsg), rip = 0x8024dabfc, rsp = 0x7fffffffcb08, rbp = 0x7fffffffcbb0 ---


Yuri
Received on Wed Jan 25 2012 - 15:30:24 UTC

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