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=== Currently Held Locks ==============================================
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===
=== <file> <line num> <function> <lock name> <lock addr> (times locked)
===
=== Thread ID: -1223472240 (do_monitor           started at [18945] chan_sip.c restart_monitor())
=== ---> Lock #0 (chan_sip.c): MUTEX 18915 do_monitor &monlock 0xb71bac20 (1)
=== -------------------------------------------------------------------
===
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