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User who did this - Dmitry (dmdm21)
Attached to Project - sip-router Summary - FIFO deadlock after dispatcher reload Task Type - Bug Report Category - Core Status - Unconfirmed Assigned To - Operating System - Linux Severity - High Priority - Normal Reported Version - 3.3 Due in Version - Undecided Due Date - Undecided Details - kamailio-3.3.4
/usr/local/kamailio/sbin/kamctl fifo ds_reload After couple of reloads FIFO interface stops responding.
After that command like bellow hangs. /usr/local/kamailio/sbin/kamctl fifo ds_list
Normaly when FIFO is alive the process is running:
# strace -p 15519 Process 15519 attached - interrupt to quit read(6, ^C <unfinished ...> Process 15519 detached
After it's locked, it in this stage:
# strace -p 15519 Process 15519 attached - interrupt to quit futex(0xaf0c8f10, FUTEX_WAIT, 2, NULL^C <unfinished ...> Process 15519 detached
# gdb -p 15519 ... (gdb) bt #0 0xb7732430 in __kernel_vsyscall () #1 0xb76826e7 in syscall () from /lib/tls/i686/cmov/libc.so.6 #2 0xaee41036 in futex_get (dsht=0xaf0c8b30) at #../../mem/../futexlock.h:110 #3 ds_ht_clear_slots (dsht=0xaf0c8b30) at ds_ht.c:162 #4 0xaee38556 in ds_load_list (lfile=0xb71c2840 #"/usr/local/kamailio/etc/kamailio/dispatcher.list") at dispatch.c:601 #5 0xaee3c050 in ds_mi_reload (cmd_tree=0xa1dee18, param=0x0) at #dispatcher.c:776 #6 0xb71a76f2 in run_mi_cmd (fifo_stream=0xa1ddad0) at #../../lib/kmi/mi.h:77 #7 mi_fifo_server (fifo_stream=0xa1ddad0) at fifo_fnc.c:509 #8 0xb71a96b0 in fifo_process (rank=1) at mi_fifo.c:247 #9 0xb71a9a18 in mi_child_init (rank=0) at mi_fifo.c:211 #10 0x08123c5f in init_mod_child (m=0xb71ba5d8, rank=0) at sr_module.c:893 #11 0x08123bd0 in init_mod_child (m=0xb71ba6f0, rank=0) at sr_module.c:890 #12 0x08123bd0 in init_mod_child (m=0xb71baac8, rank=0) at sr_module.c:890 #13 0x08123bd0 in init_mod_child (m=0xb71bb798, rank=0) at sr_module.c:890 #14 0x08123bd0 in init_mod_child (m=0xb71bbb48, rank=0) at sr_module.c:890 #15 0x08123bd0 in init_mod_child (m=0xb71bbd88, rank=0) at sr_module.c:890 #16 0x08123bd0 in init_mod_child (m=0xb71bc0e0, rank=0) at sr_module.c:890 #17 0x08123bd0 in init_mod_child (m=0xb71bdbc8, rank=0) at sr_module.c:890 #18 0x08123bd0 in init_mod_child (m=0xb71bdd68, rank=0) at sr_module.c:890 #19 0x08123bd0 in init_mod_child (m=0xb71bded0, rank=0) at sr_module.c:890 #20 0x08123bd0 in init_mod_child (m=0xb71be1e8, rank=0) at sr_module.c:890 #21 0x08123bd0 in init_mod_child (m=0xb71be828, rank=0) at sr_module.c:890 #22 0x08123bd0 in init_mod_child (m=0xb71bec88, rank=0) at sr_module.c:890 #23 0x08123bd0 in init_mod_child (m=0xb71bef48, rank=0) at sr_module.c:890 #24 0x08123bd0 in init_mod_child (m=0xb71bf0c8, rank=0) at sr_module.c:890 #25 0x08123bd0 in init_mod_child (m=0xb71bf378, rank=0) at sr_module.c:890 #26 0x08123bd0 in init_mod_child (m=0xb71bffb0, rank=0) at sr_module.c:890 #27 0x08123bd0 in init_mod_child (m=0xb71c0220, rank=0) at sr_module.c:890 #28 0x08123bd0 in init_mod_child (m=0xb71c1ac0, rank=0) at sr_module.c:890 #29 0x08123bd0 in init_mod_child (m=0xb71c1c28, rank=0) at sr_module.c:890 #30 0x08123bd0 in init_mod_child (m=0xb71c2218, rank=0) at sr_module.c:890 #31 0x08123bd0 in init_mod_child (m=0xb71c24d0, rank=0) at sr_module.c:890 #32 0x08123bd0 in init_mod_child (m=0xb71c38c8, rank=0) at sr_module.c:890 #33 0x080a8ccd in main_loop () at main.c:1710 #34 0x080ab337 in main (argc=13, argv=0xbfc04964) at main.c:2546 (gdb) quit
More information can be found at the following URL: http://sip-router.org/tracker/index.php?do=details&task_id=275
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