Date: Mon, 13 Jul 2009 17:40:46 -0700 From: Xin LI <delphij@delphij.net> To: freebsd-net@freebsd.org Cc: "Bjoern A. Zeeb" <bz@FreeBSD.org> Subject: [LOR] carp vs bridge Message-ID: <4A5BD40E.9080108@delphij.net>
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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hi, This LOR is observed in an environment with both CARP and bridge set up. Is this an known one? lock order reversal: 1st 0xffffff00033253e0 carp_if (carp_if) @ /usr/src/sys/netinet/ip_carp.c:1326 2nd 0xffffff00031d1218 if_bridge (if_bridge) @ /usr/src/sys/net/if_bridge.c:1850 KDB: stack backtrace: db_trace_self_wrapper() at db_trace_self_wrapper+0x2a _witness_debugger() at _witness_debugger+0x2e witness_checkorder() at witness_checkorder+0x81e _mtx_lock_flags() at _mtx_lock_flags+0x78 bridge_output() at bridge_output+0x67 ether_output() at ether_output+0x3d7 ip_output() at ip_output+0xd12 carp_send_ad_locked() at carp_send_ad_locked+0x54b carp_master_down_locked() at carp_master_down_locked+0x79 carp_master_down() at carp_master_down+0x33 softclock() at softclock+0x291 intr_event_execute_handlers() at intr_event_execute_handlers+0x68 ithread_loop() at ithread_loop+0xb2 fork_exit() at fork_exit+0x12a fork_trampoline() at fork_trampoline+0xe - --- trap 0, rip = 0, rsp = 0xffffff8000042d30, rbp = 0 --- Cheers, - -- Xin LI <delphij@delphij.net> http://www.delphij.net/ FreeBSD - The Power to Serve! -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.12 (FreeBSD) iEYEARECAAYFAkpb0zcACgkQi+vbBBjt66Ci6wCfT/sMbpkSqbKacc2vHRK5fOpY RugAn1w8iVoWFmz8xGYeJzuYS9yUWwy2 =bTB3 -----END PGP SIGNATURE-----
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