FYI: In master there is a nice way to get all the BTs:
utils/kamctl: new command 'trap' - useful to get a full bt dump of all kamailio processes - handy in dead-lock investigatigations
regards Klaus
On 20.12.2013 19:06, Daniel-Constantin Mierla wrote:
Hello,
the bt is from custom timer process, which doesn't handle sip requests from the network.
Do a 'kamctl ps' and the select one of the sip workers to grab the back with gdb.
Cheers, Daniel
On 20/12/13 15:22, Juha Heinanen wrote:
once in a while kamailio 4.0 presence server becomes unresponsive, i.e., does not process any requests. below is bt full of a process that at that time takes most of the cpu time. rls_notifier_processes is not set, i.e., it defaults to 1.
does the bt give any clue why kamailio is unresponsive?
-- juha
(gdb) bt full #0 0xb7703424 in __kernel_vsyscall () No symbol table info available. #1 0xb765b32d in select () from /lib/i686/cmov/libc.so.6 No symbol table info available. #2 0x0812ad00 in sleep_us (child_id=-1, desc=0xbfab3310 "RLS NOTIFIER 0", make_sock=1, f=0xb6b22dc0 <timer_send_notify>, param=0xb4db0720, uinterval=100000) at ut.h:520 tval = {tv_sec = 0, tv_usec = 64460} #3 fork_basic_utimer (child_id=-1, desc=0xbfab3310 "RLS NOTIFIER 0", make_sock=1, f=0xb6b22dc0 <timer_send_notify>, param=0xb4db0720, uinterval=100000) at timer_proc.c:127 pid = <value optimized out> ts = 4294966782 #4 0xb6b23b90 in child_init (rank=0) at rls.c:704 tmp = "RLS NOTIFIER 0\000\277" i = 0 #5 0x080f5197 in init_mod_child (m=0xb71a3330, rank=0) at sr_module.c:893 No locals. #6 0x080f5110 in init_mod_child (m=0xb71a3500, rank=0) at sr_module.c:890 No locals. #7 0x080f5110 in init_mod_child (m=0xb71a37b0, rank=0) at sr_module.c:890 No locals. #8 0x080f5110 in init_mod_child (m=0xb71a3c20, rank=0) at sr_module.c:890 No locals. #9 0x080f5110 in init_mod_child (m=0xb71a4258, rank=0) at sr_module.c:890 No locals. #10 0x080f5110 in init_mod_child (m=0xb71a4420, rank=0) at sr_module.c:890 No locals. #11 0x08094dcd in main_loop () at main.c:1710 i = 0 pid = -514 si = 0x0 si_desc = "\001\000\000\000\220\065\253\277\000\000\000\000\220D\032\267\006\000\000\000\020\317\060\000\000\000\000\000\220D\032\267\001\000\000\000\330\067\005\b\320i\036\b\000\000\000\000\030\036Z\267\030\000\000\000\v\b\000\000\b\017۴\350\065\253\277\250\205\031\267\004\000\000\000\002\000\000\000\300\201\252\264\001\000\000\000\000\000\000\000\002\000\000\000|\353&\b\b\000\000\000\330\065\253\277\002\000\000\000h\353&\b\b\000\000\000\350\065\253\277\071\026\f\b"
nrprocs = 134560983#12 0x08096f66 in main (argc=16, argv=0xbfab3724) at main.c:2546 cfg_stream = 0x8 c = <value optimized out> r = -514 tmp = 0xbfab3f7d "" tmp_len = 135830000 port = <value optimized out> proto = <value optimized out> ret = <value optimized out> seed = 779380118 rfd = <value optimized out> debug_save = 0 debug_flag = <value optimized out> dont_fork_cnt = 8 n_lst = <value optimized out> p = <value optimized out>
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