<font size=2 face="sans-serif">Indeed, it seems that lttng-ust-fork is
needed.</font>
<br>
<br><font size=2 face="sans-serif">Thanks!</font>
<br>
<br><font size=2 color=#000080 face="sans-serif">Amit Margalit</font>
<br><font size=2 color=#808000 face="sans-serif">IBM XIV </font><font size=2 face="sans-serif">-
<i>Storage Reinvented</i></font>
<br><font size=2 face="sans-serif">XIV-NAS Development Team</font>
<br><font size=2 face="sans-serif">Tel. 03</font><font size=2 face="Arial">-689-7774</font>
<br><font size=2 face="Arial">Fax. 03-689-7230</font>
<br>
<br>
<br>
<br><font size=1 color=#5f5f5f face="sans-serif">From:
</font><font size=1 face="sans-serif">Mathieu Desnoyers <mathieu.desnoyers@efficios.com></font>
<br><font size=1 color=#5f5f5f face="sans-serif">To:
</font><font size=1 face="sans-serif">Amit Margalit/Israel/IBM@IBMIL</font>
<br><font size=1 color=#5f5f5f face="sans-serif">Cc:
</font><font size=1 face="sans-serif">lttng-dev <lttng-dev@lists.lttng.org></font>
<br><font size=1 color=#5f5f5f face="sans-serif">Date:
</font><font size=1 face="sans-serif">01/07/2014 05:44 PM</font>
<br><font size=1 color=#5f5f5f face="sans-serif">Subject:
</font><font size=1 face="sans-serif">Re: [lttng-dev]
[UST] SIGSEGV in lttng_ust_exit()</font>
<br>
<hr noshade>
<br>
<br>
<br><font size=3>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 ?</font>
<br>
<br><font size=3>Thanks,</font>
<br>
<br><font size=3>Mathieu</font>
<br>
<br>
<br>
<hr>
<br><font size=3 face="Helvetica"><b>From: </b>"Mathieu Desnoyers"
<mathieu.desnoyers@efficios.com><b><br>
To: </b>"Amit Margalit" <AMITM@il.ibm.com><b><br>
Cc: </b>"lttng-dev" <lttng-dev@lists.lttng.org><b><br>
Sent: </b>Monday, January 6, 2014 3:44:13 PM<b><br>
Subject: </b>Re: [lttng-dev] [UST] SIGSEGV in lttng_ust_exit()</font>
<br>
<br><font size=3>Hi,</font>
<br>
<br><font size=3>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).</font>
<br>
<br><font size=3>Thanks,</font>
<br>
<br><font size=3>Mathieu</font>
<br>
<br>
<br>
<hr>
<br><font size=3 face="Helvetica"><b>From: </b>"Amit Margalit"
<AMITM@il.ibm.com><b><br>
To: </b>"lttng-dev" <lttng-dev@lists.lttng.org><b><br>
Sent: </b>Wednesday, December 25, 2013 7:58:05 AM<b><br>
Subject: </b>[lttng-dev] [UST] SIGSEGV in lttng_ust_exit()</font>
<br>
<br><font size=2 face="Helvetica">Hi,</font><font size=3 face="Helvetica">
<br>
</font><font size=2 face="Helvetica"><br>
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.</font><font size=3 face="Helvetica">
<br>
</font><font size=2 face="Helvetica"><br>
Here is most of the traceback - any help is appreciated.</font><font size=3 face="Helvetica">
<br>
</font><font size=2 face="Helvetica"><br>
.424636] ===26292=== #2 crash_sig_handler (sig=11, info=0xb519f0, uc=<optimized
out>) at common/crashandler/crashandler_client.c:139<br>
.424671] ===26292=== #3 <signal handler called><br>
.424730] ===26292=== #4 0x00007f4c2cb57831 in pthread_cancel () from /lib64/libpthread.so.0<br>
.424788] ===26292=== #5 0x00007f4c2dec428e in lttng_ust_exit () at lttng-ust-comm.c:1296<br>
.424846] ===26292=== #6 0x00007f4c2e310469 in _dl_fini () from /lib64/ld-linux-x86-64.so.2<br>
.424904] ===26292=== #7 0x00007f4c2c4135e5 in __run_exit_handlers () from
/lib64/libc.so.6<br>
.424954] ===26292=== #8 0x00007f4c2c413635 in exit () from /lib64/libc.so.6<br>
.425011] ===26292=== #9 0x00007f4c2c3fcbcd in __libc_start_main () from
/lib64/libc.so.6<br>
.425072] ===26292=== #10 0x000000000041cd49 in _start () at ../sysdeps/x86_64/elf/start.S:113</font><font size=3 face="Helvetica">
<br>
<br>
</font><font size=2 color=#000080 face="Helvetica"><br>
Amit Margalit</font><font size=3 face="Helvetica"> </font><font size=2 color=#808000 face="Helvetica"><br>
IBM XIV </font><font size=2 face="Helvetica">- <i>Storage Reinvented</i></font><font size=3 face="Helvetica">
</font><font size=2 face="Helvetica"><br>
XIV-NAS Development Team</font><font size=3 face="Helvetica"> </font><font size=2 face="Helvetica"><br>
Tel. 03</font><font size=2 face="Arial">-689-7774</font><font size=3 face="Helvetica">
</font><font size=2 face="Arial"><br>
Fax. 03-689-7230</font><font size=3 face="Helvetica"><br>
_______________________________________________<br>
lttng-dev mailing list<br>
lttng-dev@lists.lttng.org<br>
</font><a href="http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev"><font size=3 face="Helvetica">http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev</font></a>
<br>
<br>
<br>
<br><font size=3>-- </font>
<br><font size=3>Mathieu Desnoyers<br>
EfficiOS Inc.<br>
</font><a href=http://www.efficios.com/><font size=3>http://www.efficios.com</font></a>
<br><font size=3 face="Helvetica"><br>
_______________________________________________<br>
lttng-dev mailing list<br>
lttng-dev@lists.lttng.org<br>
</font><a href="http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev"><font size=3 face="Helvetica">http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev</font></a>
<br><font size=3><br>
</font>
<br>
<br><font size=3>-- </font>
<br><font size=3>Mathieu Desnoyers<br>
EfficiOS Inc.<br>
</font><a href=http://www.efficios.com/><font size=3>http://www.efficios.com</font></a>
<br>