Date: Wed, 29 Nov 2006 01:58:26 +0900 (JST) From: Munehiro Matsuda <haro@h4.dion.ne.jp> To: freebsd-current@freebsd.org Subject: LOR with netisr changes Message-ID: <20061129.015826.74756053.haro@h4.dion.ne.jp>
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Hi all,
JFYI, I got following LOR started after the netisr changes:
lock order reversal:
1st 0xc366db54 iwi0 (network driver) @ /home/haro/tmp/sys-7/modules/iwi/../../dev/iwi/if_iwi.c:1649
2nd 0xc07eec48 in_multi_mtx (in_multi_mtx) @ netinet/ip_input.c:562
KDB: stack backtrace:
db_trace_self_wrapper(c071660b) at db_trace_self_wrapper+0x25
kdb_backtrace(0,ffffffff,c07af450,c07b09b8,c07610c4,...) at kdb_backtrace+0x29
witness_checkorder(c07eec48,9,c07237b8,232) at witness_checkorder+0x586
_mtx_lock_flags(c07eec48,0,c07237af,232,c0789ce0,...) at _mtx_lock_flags+0x84
ip_input(c3691e00) at ip_input+0x40a
netisr_dispatch(2,c3691e00,0,c367c400,c36d0800,...) at netisr_dispatch+0x58
ether_demux(c367c400,c3691e00,c3691e00,c367c400,db31ec1c,...) at ether_demux+0x28a
ether_input(c367c400,c3691e00) at ether_input+0x202
ieee80211_deliver_data(c366d004,c37fbc00,c3691e00,c0535785,c366d6b0,...) at ieee80211_deliver_data+0x129
ieee80211_input(c366d004,c3691e00,c37fbc00,4f,0,...) at ieee80211_input+0x83e
iwi_intr(c366d000) at iwi_intr+0x4cc
ithread_execute_handlers(c35c3af0,c35aa180) at ithread_execute_handlers+0x122
ithread_loop(c3650b30,db31ed38) at ithread_loop+0x67
fork_exit(c0529a18,c3650b30,db31ed38) at fork_exit+0xac
fork_trampoline() at fork_trampoline+0x8
--- trap 0x1, eip = 0, esp = 0xdb31ed6c, ebp = 0 ---
=------------------------------------------------------------------------------
_ _ Munehiro (haro) Matsuda
-|- /_\ |_|_| Internet Solution Dept., KGT Inc.
/|\ |_| |_|_| 2-8-8 Shinjuku Shinjuku-ku Tokyo 160-0022, Japan
Tel: +81-3-3225-0767 Fax: +81-3-3225-0740
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