[LOR] carp vs bridge

[Glen Barber]

On Mon, Jul 13, 2009 at 8:40 PM, Xin LI<delphij at delphij.net> wrote:
> -----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 ---
>

I didn't see that particular LOR listed with the others:
http://sources.zabbadoz.net/freebsd/lor.html

Regards,

-- 
Glen Barber