Another thing: is your daemon using fork(), clone() or daemon() at any point ? If yes, did you LD_PRELOAD liblttng-ust-fork.so as stated in the lttng-ust(3) manpage in the environment starting your daemon ?
Thanks, Mathieu ----- Original Message ----- > From: "Mathieu Desnoyers" <[email protected]> > To: "Amit Margalit" <[email protected]> > Cc: "lttng-dev" <[email protected]> > Sent: Monday, January 6, 2014 3:44:13 PM > Subject: Re: [lttng-dev] [UST] SIGSEGV in lttng_ust_exit() > Hi, > Can you try with updated lttng-ust (2.3.1 and stable-2.3 branch head) and > update userspace RCU (0.8.1 and stable-0.8 head). > Thanks, > Mathieu > ----- Original Message ----- > > From: "Amit Margalit" <[email protected]> > > > To: "lttng-dev" <[email protected]> > > > Sent: Wednesday, December 25, 2013 7:58:05 AM > > > Subject: [lttng-dev] [UST] SIGSEGV in lttng_ust_exit() > > > Hi, > > > Using 2.3.0, we have a daemon process that's being restarted. The process > > is > > being asked to terminate using a simple 'kill', i.e. SIGTERM. > > > Here is most of the traceback - any help is appreciated. > > > .424636] ===26292=== #2 crash_sig_handler (sig=11, info=0xb519f0, > > uc=<optimized out>) at common/crashandler/crashandler_client.c:139 > > > .424671] ===26292=== #3 <signal handler called> > > > .424730] ===26292=== #4 0x00007f4c2cb57831 in pthread_cancel () from > > /lib64/libpthread.so.0 > > > .424788] ===26292=== #5 0x00007f4c2dec428e in lttng_ust_exit () at > > lttng-ust-comm.c:1296 > > > .424846] ===26292=== #6 0x00007f4c2e310469 in _dl_fini () from > > /lib64/ld-linux-x86-64.so.2 > > > .424904] ===26292=== #7 0x00007f4c2c4135e5 in __run_exit_handlers () from > > /lib64/libc.so.6 > > > .424954] ===26292=== #8 0x00007f4c2c413635 in exit () from /lib64/libc.so.6 > > > .425011] ===26292=== #9 0x00007f4c2c3fcbcd in __libc_start_main () from > > /lib64/libc.so.6 > > > .425072] ===26292=== #10 0x000000000041cd49 in _start () at > > ../sysdeps/x86_64/elf/start.S:113 > > > Amit Margalit > > > IBM XIV - Storage Reinvented > > > XIV-NAS Development Team > > > Tel. 03 -689-7774 > > > Fax. 03-689-7230 > > > _______________________________________________ > > > lttng-dev mailing list > > > [email protected] > > > http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev > > -- > Mathieu Desnoyers > EfficiOS Inc. > http://www.efficios.com > _______________________________________________ > lttng-dev mailing list > [email protected] > http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev -- Mathieu Desnoyers EfficiOS Inc. http://www.efficios.com
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