[lttng-dev] Need help in using lttng - module crashes

Jérémie Galarneau jeremie.galarneau at efficios.com
Thu Jul 23 19:33:05 EDT 2015


On Thu, Jul 23, 2015 at 3:05 PM, Selvamani Ramasamy <
selvamani.ramasamy at ericsson.com> wrote:

>  Hi,
> I am from Ericsson and we are trying to use lttng for one of our routing
> stack module.  We are facing issue in using lttng with our code base.  We
> are facing crash in our module when we register tracepoints.  We are using
> lttng version 2.3.0.   Any input will be appreciated.  Thanks in advance.
>

That's from a while ago. Any chance you can try with 2.6.0 and see if the
problem persists?

Regards,
Jérémie


>
>  Core was generated by `/usr/lib/siara/bin/bgpd'.
>
> Program terminated with signal 6, Aborted.
>
> #0  __lll_lock_wait () at
> ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
>
> 135        ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S: No such
> file or directory.
>
> (gdb) bt
>
> #0  __lll_lock_wait () at
> ../nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.S:135
>
> #1  0x00000035f640a6f7 in _L_lock_942 () from /lib64/libpthread.so.0
>
> #2  0x00000035f640a520 in __GI___pthread_mutex_lock (mutex=0x2ae5bdc47340
> <_biglock>) at ../nptl/pthread_mutex_lock.c:79
>
> #3  0x00002ae5bda382b8 in _biglock_grab_for_group (thread_group=0,
> initial=initial at entry=0) at
> sw/se/xc/bsd/libsrc/rboslib/osdeps/linux/interceptor/src/interceptor_biglock.c:174
>
> #4  0x00002ae5bda38325 in __biglock_grab (initial=initial at entry=0) at
> sw/se/xc/bsd/libsrc/rboslib/osdeps/linux/interceptor/src/interceptor_biglock.c:191
>
> #5  0x00002ae5bda3a032 in fgets (s=s at entry=0x2ae5c09b8960 <metalib_pname>
> "/usr/lib/siara/bin/bgpd", size=size at entry=63, stream=stream at entry
> =0x807690)
>
>     at
> sw/se/xc/bsd/libsrc/rboslib/osdeps/linux/interceptor/src/interceptor_filestream.c:51
>
> #6  0x00002ae5c06b5818 in rbos_get_name_from_pid (pid=<optimized out>,
> pname=pname at entry=0x2ae5c09b8960 <metalib_pname>
> "/usr/lib/siara/bin/bgpd", len=len at entry=63) at
> sw/se/xc/bsd/libsrc/rboslib/osdeps/linux/src/rbos_sysfunc.c:421
>
> #7  0x00002ae5c05c9d83 in proc_get_name_from_pid (pid=<optimized out>,
> pname=pname at entry=0x2ae5c09b8960 <metalib_pname>
> "/usr/lib/siara/bin/bgpd", len=len at entry=63) at
> sw/se/xc/bsd/libsrc/utils/src/pmUtils.c:736
>
> #8  0x00002ae5c061535f in metalib_init () at
> sw/se/xc/bsd/libsrc/issu/src/metalib.c:93
>
> #9  0x00002ae5be095c62 in rbos_event_startup (attr=attr at entry=0x7fff8ada6810)
> at sw/se/xc/bsd/comp/events/lib/src/rbos_event_api.c:918
>
> #10 0x0000000000505ca6 in bgp_ffn_eti_init () at
> sw/se/xc/bsd/routing/bgp/src/bgp_util_daemon.c:2727
>
> #11 0x0000000000488d4e in bgp_main ()
>
> #12 0x0000000000411fd9 in main (argc=<optimized out>, argv=<optimized
> out>) at sw/se/xc/bsd/routing/bgp/src/bgpd.c:6
>
>
>  Regards,
>
> Selva
>
> _______________________________________________
> lttng-dev mailing list
> lttng-dev at lists.lttng.org
> http://lists.lttng.org/cgi-bin/mailman/listinfo/lttng-dev
>
>


-- 
Jérémie Galarneau
EfficiOS Inc.
http://www.efficios.com
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.lttng.org/pipermail/lttng-dev/attachments/20150723/f842477e/attachment.html>


More information about the lttng-dev mailing list