<div dir="ltr">Hi <span style="font-size:12.8000001907349px">Jérémie,</span><div><span style="font-size:12.8000001907349px"><br></span></div><div><span style="font-size:12.8000001907349px">Attaching log file that I got when I start lttng-sessiond in verbose mode. </span></div><div><span style="font-size:12.8000001907349px"><br></span></div><div><span style="font-size:12.8000001907349px">Also, there is core. I have core with me I tried to see the bt but I thin k my binary didn't match core.. Below is the all bt.</span></div><div><span style="font-size:12.8000001907349px"><br></span></div><div><span style="font-size:12.8000001907349px">Let me know if you need any other information.</span></div><div><span style="font-size:12.8000001907349px"><br></span></div><div><span style="font-size:12.8000001907349px">Thanks,</span></div><div><span style="font-size:12.8000001907349px">Shirish</span></div><div><span style="font-size:12.8000001907349px"><br></span></div><div><div style><span style="font-size:12.8000001907349px">root@marsdev:~# gdb /usr/bin/lttng-sessiond -c /var/crash/core.\!usr\!bin\!lttng-sessiond-6100-1431025373</span></div><div style><span style="font-size:12.8000001907349px">GNU gdb (GDB) 7.4.1-debian</span></div><div style><span style="font-size:12.8000001907349px">Copyright (C) 2012 Free Software Foundation, Inc.</span></div><div style><span style="font-size:12.8000001907349px">License GPLv3+: GNU GPL version 3 or later <<a href="http://gnu.org/licenses/gpl.html">http://gnu.org/licenses/gpl.html</a>></span></div><div style><span style="font-size:12.8000001907349px">This is free software: you are free to change and redistribute it.</span></div><div style><span style="font-size:12.8000001907349px">There is NO WARRANTY, to the extent permitted by law. Type "show copying"</span></div><div style><span style="font-size:12.8000001907349px">and "show warranty" for details.</span></div><div style><span style="font-size:12.8000001907349px">This GDB was configured as "x86_64-linux-gnu".</span></div><div style><span style="font-size:12.8000001907349px">For bug reporting instructions, please see:</span></div><div style><span style="font-size:12.8000001907349px"><<a href="http://www.gnu.org/software/gdb/bugs/">http://www.gnu.org/software/gdb/bugs/</a>>...</span></div><div style><span style="font-size:12.8000001907349px">Reading symbols from /usr/bin/lttng-sessiond...(no debugging symbols found)...done.</span></div><div style><span style="font-size:12.8000001907349px">[New LWP 6203]</span></div><div style><span style="font-size:12.8000001907349px">[New LWP 6204]</span></div><div style><span style="font-size:12.8000001907349px">[New LWP 6273]</span></div><div style><span style="font-size:12.8000001907349px">[New LWP 6100]</span></div><div style><span style="font-size:12.8000001907349px">[New LWP 6205]</span></div><div style><span style="font-size:12.8000001907349px">[New LWP 6209]</span></div><div style><span style="font-size:12.8000001907349px">[New LWP 6248]</span></div><div style><span style="font-size:12.8000001907349px">[New LWP 6202]</span></div><div style><span style="font-size:12.8000001907349px">[New LWP 6201]</span></div><div style><span style="font-size:12.8000001907349px">[New LWP 6208]</span></div><div style><span style="font-size:12.8000001907349px">[New LWP 6206]</span></div><div style><span style="font-size:12.8000001907349px">[New LWP 6207]</span></div><div style><span style="font-size:12.8000001907349px"><br></span></div><div style><span style="font-size:12.8000001907349px">warning: Can't read pathname for load map: Input/output error.</span></div><div style><span style="font-size:12.8000001907349px">[Thread debugging using libthread_db enabled]</span></div><div style><span style="font-size:12.8000001907349px">Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".</span></div><div style><span style="font-size:12.8000001907349px">Core was generated by `lttng-sessiond -vvv'.</span></div><div style><span style="font-size:12.8000001907349px">Program terminated with signal 6, Aborted.</span></div><div style><span style="font-size:12.8000001907349px">#0 0x00007fb8230aa165 in raise () from /lib/x86_64-linux-gnu/libc.so.6</span></div><div style><span style="font-size:12.8000001907349px">(gdb) bt</span></div><div style><span style="font-size:12.8000001907349px">#0 0x00007fb8230aa165 in raise () from /lib/x86_64-linux-gnu/libc.so.6</span></div><div style><span style="font-size:12.8000001907349px">#1 0x00007fb8230ad3e0 in abort () from /lib/x86_64-linux-gnu/libc.so.6</span></div><div style><span style="font-size:12.8000001907349px">#2 0x00007fb8230a3311 in __assert_fail ()</span></div><div style><span style="font-size:12.8000001907349px"> from /lib/x86_64-linux-gnu/libc.so.6</span></div><div style><span style="font-size:12.8000001907349px">#3 0x00007fb824c65a29 in ?? ()</span></div><div style><span style="font-size:12.8000001907349px">#4 0x00007fb824c49005 in ?? ()</span></div><div style><span style="font-size:12.8000001907349px">#5 0x00007fb824c514a2 in ?? ()</span></div><div style><span style="font-size:12.8000001907349px">#6 0x00007fb824c73e6f in ?? ()</span></div><div style><span style="font-size:12.8000001907349px">#7 0x00007fb823409b50 in start_thread ()</span></div><div style><span style="font-size:12.8000001907349px"> from /lib/x86_64-linux-gnu/libpthread.so.0</span></div><div style><span style="font-size:12.8000001907349px">#8 0x00007fb82315395d in clone () from /lib/x86_64-linux-gnu/libc.so.6</span></div><div style><span style="font-size:12.8000001907349px">#9 0x0000000000000000 in ?? ()</span></div><div style><span style="font-size:12.8000001907349px">(gdb) q</span></div><div style><span style="font-size:12.8000001907349px">root@marsdev:~# gdb /usr/bin/lttng-sessiond -c /var/crash/core.\!usr\!bin\!lttng-sessiond-3428-1431025181</span></div><div style><span style="font-size:12.8000001907349px">GNU gdb (GDB) 7.4.1-debian</span></div><div style><span style="font-size:12.8000001907349px">Copyright (C) 2012 Free Software Foundation, Inc.</span></div><div style><span style="font-size:12.8000001907349px">License GPLv3+: GNU GPL version 3 or later <<a href="http://gnu.org/licenses/gpl.html">http://gnu.org/licenses/gpl.html</a>></span></div><div style><span style="font-size:12.8000001907349px">This is free software: you are free to change and redistribute it.</span></div><div style><span style="font-size:12.8000001907349px">There is NO WARRANTY, to the extent permitted by law. Type "show copying"</span></div><div style><span style="font-size:12.8000001907349px">and "show warranty" for details.</span></div><div style><span style="font-size:12.8000001907349px">This GDB was configured as "x86_64-linux-gnu".</span></div><div style><span style="font-size:12.8000001907349px">For bug reporting instructions, please see:</span></div><div style><span style="font-size:12.8000001907349px"><<a href="http://www.gnu.org/software/gdb/bugs/">http://www.gnu.org/software/gdb/bugs/</a>>...</span></div><div style><span style="font-size:12.8000001907349px">Reading symbols from /usr/bin/lttng-sessiond...(no debugging symbols found)...done.</span></div><div style><span style="font-size:12.8000001907349px">[New LWP 3745]</span></div><div style><span style="font-size:12.8000001907349px">[New LWP 3750]</span></div><div style><span style="font-size:12.8000001907349px">[New LWP 3747]</span></div><div style><span style="font-size:12.8000001907349px">[New LWP 3748]</span></div><div style><span style="font-size:12.8000001907349px">[New LWP 3746]</span></div><div style><span style="font-size:12.8000001907349px">[New LWP 4288]</span></div><div style><span style="font-size:12.8000001907349px">[New LWP 3428]</span></div><div style><span style="font-size:12.8000001907349px">[New LWP 3743]</span></div><div style><span style="font-size:12.8000001907349px">[New LWP 3744]</span></div><div style><span style="font-size:12.8000001907349px">[New LWP 3749]</span></div><div style><span style="font-size:12.8000001907349px">[New LWP 3751]</span></div><div style><span style="font-size:12.8000001907349px">[New LWP 3833]</span></div><div style><span style="font-size:12.8000001907349px"><br></span></div><div style><span style="font-size:12.8000001907349px">warning: Can't read pathname for load map: Input/output error.</span></div><div style><span style="font-size:12.8000001907349px">[Thread debugging using libthread_db enabled]</span></div><div style><span style="font-size:12.8000001907349px">Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".</span></div><div style><span style="font-size:12.8000001907349px">Core was generated by `/usr/bin/lttng-sessiond -d'.</span></div><div style><span style="font-size:12.8000001907349px">Program terminated with signal 6, Aborted.</span></div><div style><span style="font-size:12.8000001907349px">#0 0x00007f43d8499165 in raise () from /lib/x86_64-linux-gnu/libc.so.6</span></div><div style><span style="font-size:12.8000001907349px">(gdb) bt</span></div><div style><span style="font-size:12.8000001907349px">#0 0x00007f43d8499165 in raise () from /lib/x86_64-linux-gnu/libc.so.6</span></div><div style><span style="font-size:12.8000001907349px">#1 0x00007f43d849c3e0 in abort () from /lib/x86_64-linux-gnu/libc.so.6</span></div><div style><span style="font-size:12.8000001907349px">#2 0x00007f43d8492311 in __assert_fail ()</span></div><div style><span style="font-size:12.8000001907349px"> from /lib/x86_64-linux-gnu/libc.so.6</span></div><div style><span style="font-size:12.8000001907349px">#3 0x00007f43da054a29 in ?? ()</span></div><div style><span style="font-size:12.8000001907349px">#4 0x00007f43da038005 in ?? ()</span></div><div style><span style="font-size:12.8000001907349px">#5 0x00007f43da0404a2 in ?? ()</span></div><div style><span style="font-size:12.8000001907349px">#6 0x00007f43da062e6f in ?? ()</span></div><div style><span style="font-size:12.8000001907349px">#7 0x00007f43d87f8b50 in start_thread ()</span></div><div style><span style="font-size:12.8000001907349px"> from /lib/x86_64-linux-gnu/libpthread.so.0</span></div><div style><span style="font-size:12.8000001907349px">#8 0x00007f43d854295d in clone () from /lib/x86_64-linux-gnu/libc.so.6</span></div><div style><span style="font-size:12.8000001907349px">#9 0x0000000000000000 in ?? ()</span></div><div style><span style="font-size:12.8000001907349px">(gdb) t a a bt</span></div><div style><span style="font-size:12.8000001907349px"><br></span></div><div style><span style="font-size:12.8000001907349px">Thread 12 (Thread 0x7f43ce7fc700 (LWP 3833)):</span></div><div style><span style="font-size:12.8000001907349px">#0 0x00007f43d8537d13 in poll () from /lib/x86_64-linux-gnu/libc.so.6</span></div><div style><span style="font-size:12.8000001907349px">#1 0x00007f43d97c2fde in ?? () from /usr/lib/x86_64-linux-gnu/liburcu.so.2</span></div><div style><span style="font-size:12.8000001907349px">#2 0x00007f43d87f8b50 in start_thread ()</span></div><div style><span style="font-size:12.8000001907349px"> from /lib/x86_64-linux-gnu/libpthread.so.0</span></div><div style><span style="font-size:12.8000001907349px">#3 0x00007f43d854295d in clone () from /lib/x86_64-linux-gnu/libc.so.6</span></div><div style><span style="font-size:12.8000001907349px">#4 0x0000000000000000 in ?? ()</span></div><div style><span style="font-size:12.8000001907349px"><br></span></div><div style><span style="font-size:12.8000001907349px">Thread 11 (Thread 0x7f43ceffd700 (LWP 3751)):</span></div><div style><span style="font-size:12.8000001907349px">#0 0x00007f43d8542fb3 in epoll_wait () from /lib/x86_64-linux-gnu/libc.so.6</span></div><div style><span style="font-size:12.8000001907349px">#1 0x00007f43da06ef7c in ?? ()</span></div><div style><span style="font-size:12.8000001907349px">#2 0x00007f43da05fbb3 in ?? ()</span></div><div style><span style="font-size:12.8000001907349px">#3 0x00007f43d87f8b50 in start_thread ()</span></div><div style><span style="font-size:12.8000001907349px"> from /lib/x86_64-linux-gnu/libpthread.so.0</span></div><div style><span style="font-size:12.8000001907349px">#4 0x00007f43d854295d in clone () from /lib/x86_64-linux-gnu/libc.so.6</span></div><div style><span style="font-size:12.8000001907349px">#5 0x0000000000000000 in ?? ()</span></div><div style><span style="font-size:12.8000001907349px"><br></span></div><div style><span style="font-size:12.8000001907349px">Thread 10 (Thread 0x7f43cffff700 (LWP 3749)):</span></div><div style><span style="font-size:12.8000001907349px">#0 0x00007f43d8542fb3 in epoll_wait () from /lib/x86_64-linux-gnu/libc.so.6</span></div><div style><span style="font-size:12.8000001907349px">#1 0x00007f43da06ef7c in ?? ()</span></div><div style><span style="font-size:12.8000001907349px">#2 0x00007f43da058cd3 in ust_thread_manage_notify ()</span></div><div style><span style="font-size:12.8000001907349px">#3 0x00007f43d87f8b50 in start_thread ()</span></div><div style><span style="font-size:12.8000001907349px"> from /lib/x86_64-linux-gnu/libpthread.so.0</span></div><div style><span style="font-size:12.8000001907349px">#4 0x00007f43d854295d in clone () from /lib/x86_64-linux-gnu/libc.so.6</span></div><div style><span style="font-size:12.8000001907349px">#5 0x0000000000000000 in ?? ()</span></div><div style><span style="font-size:12.8000001907349px"><br></span></div><div style><span style="font-size:12.8000001907349px">Thread 9 (Thread 0x7f43d6963700 (LWP 3744)):</span></div><div style><span style="font-size:12.8000001907349px">#0 0x00007f43d8542fb3 in epoll_wait () from /lib/x86_64-linux-gnu/libc.so.6</span></div><div style><span style="font-size:12.8000001907349px">#1 0x00007f43da06ef7c in ?? ()</span></div><div style><span style="font-size:12.8000001907349px">#2 0x00007f43da064b0f in ?? ()</span></div><div style><span style="font-size:12.8000001907349px">#3 0x00007f43d87f8b50 in start_thread ()</span></div><div style><span style="font-size:12.8000001907349px"> from /lib/x86_64-linux-gnu/libpthread.so.0</span></div><div style><span style="font-size:12.8000001907349px">#4 0x00007f43d854295d in clone () from /lib/x86_64-linux-gnu/libc.so.6</span></div><div style><span style="font-size:12.8000001907349px">#5 0x0000000000000000 in ?? ()</span></div><div style><span style="font-size:12.8000001907349px"><br></span></div><div style><span style="font-size:12.8000001907349px">Thread 8 (Thread 0x7f43d7164700 (LWP 3743)):</span></div><div style><span style="font-size:12.8000001907349px">#0 0x00007f43d8542fb3 in epoll_wait () from /lib/x86_64-linux-gnu/libc.so.6</span></div><div style><span style="font-size:12.8000001907349px">#1 0x00007f43da06ef7c in ?? ()</span></div><div style><span style="font-size:12.8000001907349px">#2 0x00007f43da045fc3 in thread_ht_cleanup ()</span></div><div style><span style="font-size:12.8000001907349px">#3 0x00007f43d87f8b50 in start_thread ()</span></div><div style><span style="font-size:12.8000001907349px"> from /lib/x86_64-linux-gnu/libpthread.so.0</span></div><div style><span style="font-size:12.8000001907349px">#4 0x00007f43d854295d in clone () from /lib/x86_64-linux-gnu/libc.so.6</span></div><div style><span style="font-size:12.8000001907349px">#5 0x0000000000000000 in ?? ()</span></div><div style><span style="font-size:12.8000001907349px"><br></span></div><div style><span style="font-size:12.8000001907349px">Thread 7 (Thread 0x7f43da00e980 (LWP 3428)):</span></div><div style><span style="font-size:12.8000001907349px">#0 0x00007f43d87f9ee5 in pthread_join ()</span></div><div style><span style="font-size:12.8000001907349px"> from /lib/x86_64-linux-gnu/libpthread.so.0</span></div><div style><span style="font-size:12.8000001907349px">#1 0x00007f43da030fd0 in main ()</span></div><div style><span style="font-size:12.8000001907349px"><br></span></div><div style><span style="font-size:12.8000001907349px">Thread 6 (Thread 0x7f43cdffb700 (LWP 4288)):</span></div><div style><span style="font-size:12.8000001907349px">#0 0x00007f43d8542fb3 in epoll_wait () from /lib/x86_64-linux-gnu/libc.so.6</span></div><div style><span style="font-size:12.8000001907349px">---Type <return> to continue, or q <return> to quit---</span></div><div style><span style="font-size:12.8000001907349px">#1 0x00007f43da06ef7c in ?? ()</span></div><div style><span style="font-size:12.8000001907349px">#2 0x00007f43da064579 in ?? ()</span></div><div style><span style="font-size:12.8000001907349px">#3 0x00007f43d87f8b50 in start_thread ()</span></div><div style><span style="font-size:12.8000001907349px"> from /lib/x86_64-linux-gnu/libpthread.so.0</span></div><div style><span style="font-size:12.8000001907349px">#4 0x00007f43d854295d in clone () from /lib/x86_64-linux-gnu/libc.so.6</span></div><div style><span style="font-size:12.8000001907349px">#5 0x0000000000000000 in ?? ()</span></div><div style><span style="font-size:12.8000001907349px"><br></span></div><div style><span style="font-size:12.8000001907349px">Thread 5 (Thread 0x7f43d5961700 (LWP 3746)):</span></div><div style><span style="font-size:12.8000001907349px">#0 0x00007f43d853f1d9 in syscall () from /lib/x86_64-linux-gnu/libc.so.6</span></div><div style><span style="font-size:12.8000001907349px">#1 0x00007f43da06d43e in ?? ()</span></div><div style><span style="font-size:12.8000001907349px">#2 0x00007f43da05e48e in ?? ()</span></div><div style><span style="font-size:12.8000001907349px">#3 0x00007f43d87f8b50 in start_thread ()</span></div><div style><span style="font-size:12.8000001907349px"> from /lib/x86_64-linux-gnu/libpthread.so.0</span></div><div style><span style="font-size:12.8000001907349px">#4 0x00007f43d854295d in clone () from /lib/x86_64-linux-gnu/libc.so.6</span></div><div style><span style="font-size:12.8000001907349px">#5 0x0000000000000000 in ?? ()</span></div><div style><span style="font-size:12.8000001907349px"><br></span></div><div style><span style="font-size:12.8000001907349px">Thread 4 (Thread 0x7f43d495f700 (LWP 3748)):</span></div><div style><span style="font-size:12.8000001907349px">#0 0x00007f43d8542fb3 in epoll_wait () from /lib/x86_64-linux-gnu/libc.so.6</span></div><div style><span style="font-size:12.8000001907349px">#1 0x00007f43da06ef7c in ?? ()</span></div><div style><span style="font-size:12.8000001907349px">#2 0x00007f43da0605b3 in ?? ()</span></div><div style><span style="font-size:12.8000001907349px">#3 0x00007f43d87f8b50 in start_thread ()</span></div><div style><span style="font-size:12.8000001907349px"> from /lib/x86_64-linux-gnu/libpthread.so.0</span></div><div style><span style="font-size:12.8000001907349px">#4 0x00007f43d854295d in clone () from /lib/x86_64-linux-gnu/libc.so.6</span></div><div style><span style="font-size:12.8000001907349px">#5 0x0000000000000000 in ?? ()</span></div><div style><span style="font-size:12.8000001907349px"><br></span></div><div style><span style="font-size:12.8000001907349px">Thread 3 (Thread 0x7f43d5160700 (LWP 3747)):</span></div><div style><span style="font-size:12.8000001907349px">#0 0x00007f43d8542fb3 in epoll_wait () from /lib/x86_64-linux-gnu/libc.so.6</span></div><div style><span style="font-size:12.8000001907349px">#1 0x00007f43da06ef7c in ?? ()</span></div><div style><span style="font-size:12.8000001907349px">#2 0x00007f43da060c06 in ?? ()</span></div><div style><span style="font-size:12.8000001907349px">#3 0x00007f43d87f8b50 in start_thread ()</span></div><div style><span style="font-size:12.8000001907349px"> from /lib/x86_64-linux-gnu/libpthread.so.0</span></div><div style><span style="font-size:12.8000001907349px">#4 0x00007f43d854295d in clone () from /lib/x86_64-linux-gnu/libc.so.6</span></div><div style><span style="font-size:12.8000001907349px">#5 0x0000000000000000 in ?? ()</span></div><div style><span style="font-size:12.8000001907349px"><br></span></div><div style><span style="font-size:12.8000001907349px">Thread 2 (Thread 0x7f43cf7fe700 (LWP 3750)):</span></div><div style><span style="font-size:12.8000001907349px">#0 0x00007f43d8542fb3 in epoll_wait () from /lib/x86_64-linux-gnu/libc.so.6</span></div><div style><span style="font-size:12.8000001907349px">#1 0x00007f43da06ef7c in ?? ()</span></div><div style><span style="font-size:12.8000001907349px">#2 0x00007f43da05a252 in jul_thread_manage_registration ()</span></div><div style><span style="font-size:12.8000001907349px">#3 0x00007f43d87f8b50 in start_thread ()</span></div><div style><span style="font-size:12.8000001907349px"> from /lib/x86_64-linux-gnu/libpthread.so.0</span></div><div style><span style="font-size:12.8000001907349px">#4 0x00007f43d854295d in clone () from /lib/x86_64-linux-gnu/libc.so.6</span></div><div style><span style="font-size:12.8000001907349px">#5 0x0000000000000000 in ?? ()</span></div><div style><span style="font-size:12.8000001907349px"><br></span></div><div style><span style="font-size:12.8000001907349px">Thread 1 (Thread 0x7f43d6162700 (LWP 3745)):</span></div><div style><span style="font-size:12.8000001907349px">#0 0x00007f43d8499165 in raise () from /lib/x86_64-linux-gnu/libc.so.6</span></div><div style><span style="font-size:12.8000001907349px">#1 0x00007f43d849c3e0 in abort () from /lib/x86_64-linux-gnu/libc.so.6</span></div><div style><span style="font-size:12.8000001907349px">#2 0x00007f43d8492311 in __assert_fail ()</span></div><div style><span style="font-size:12.8000001907349px"> from /lib/x86_64-linux-gnu/libc.so.6</span></div><div style><span style="font-size:12.8000001907349px">#3 0x00007f43da054a29 in ?? ()</span></div><div style><span style="font-size:12.8000001907349px">#4 0x00007f43da038005 in ?? ()</span></div><div style><span style="font-size:12.8000001907349px">#5 0x00007f43da0404a2 in ?? ()</span></div><div style><span style="font-size:12.8000001907349px">#6 0x00007f43da062e6f in ?? ()</span></div><div style><span style="font-size:12.8000001907349px">---Type <return> to continue, or q <return> to quit---</span></div><div style><span style="font-size:12.8000001907349px">#7 0x00007f43d87f8b50 in start_thread ()</span></div><div style><span style="font-size:12.8000001907349px"> from /lib/x86_64-linux-gnu/libpthread.so.0</span></div><div style><span style="font-size:12.8000001907349px">#8 0x00007f43d854295d in clone () from /lib/x86_64-linux-gnu/libc.so.6</span></div><div style><span style="font-size:12.8000001907349px">#9 0x0000000000000000 in ?? ()</span></div><div style><span style="font-size:12.8000001907349px">(gdb) top</span></div><div style="font-size:12.8000001907349px"><br></div></div><div><span style="font-size:12.8000001907349px"><br></span></div><div><span style="font-size:12.8000001907349px"><br></span></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Wed, May 6, 2015 at 1:59 PM, shirish gajera <span dir="ltr"><<a href="mailto:gajerashirish@gmail.com" target="_blank">gajerashirish@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Hi <span style="font-size:12.8000001907349px">Jérémie,</span><div><span style="font-size:12.8000001907349px"><br></span></div><div><span style="font-size:12.8000001907349px">Machine where I got the error is already rebooted many times.</span></div><div><span style="font-size:12.8000001907349px"><br></span></div><div><span style="font-size:12.8000001907349px">When you want me to launch the session daemon after getting error, after running my script ?</span><br></div><div><span style="font-size:12.8000001907349px"><br></span></div><div><span style="font-size:12.8000001907349px">Thanks.</span></div><span class="HOEnZb"><font color="#888888"><div><span style="font-size:12.8000001907349px">Shirish</span></div></font></span></div><div class="HOEnZb"><div class="h5"><div class="gmail_extra"><br><div class="gmail_quote">On Tue, May 5, 2015 at 4:13 PM, Jérémie Galarneau <span dir="ltr"><<a href="mailto:jeremie.galarneau@efficios.com" target="_blank">jeremie.galarneau@efficios.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">Hi Shirish,<div><br></div><div>Interesting issue. It seems that the session daemon crashed at some point during the execution script. Can you launch the session daemon manually in verbose mode and provide the output along with the version of LTTng being used?</div><div><br></div><div>Use:</div><div>$ lttng-sessiond -vvv</div><div><br></div><div>Also, can you check if a core dump is being generated?</div><div><br></div><div>Regards,</div><div>Jérémie</div></div><div class="gmail_extra"><br><div class="gmail_quote"><div><div>On Thu, Apr 30, 2015 at 12:23 PM, shirish gajera <span dir="ltr"><<a href="mailto:gajerashirish@gmail.com" target="_blank">gajerashirish@gmail.com</a>></span> wrote:<br></div></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div><div dir="ltr">Hi,<div><br></div><div>I want to enable multiple(50) channel for the same session, below is my script doing the same. </div><div>Single channel with the same script is working fine. But, when I tried to enable multiple channel for the same session it's giving me error.</div><div><br></div><div>Here is what I found</div><div>1) I have 50 channel in my db files and it's failing at 13th channel create command, below is the log</div><div> ...12 channel creation successful</div><div><div> Spawning a session daemon</div><div> Warning: Could not get lock file /var/run/lttng/lttng-sessiond.lck, another instance is running.</div><div> Error: Session daemon died (exit status 1)</div><div> Spawning a session daemon</div><div> Warning: Could not get lock file /var/run/lttng/lttng-sessiond.lck, another instance is running.</div><div> Error: Session daemon died (exit status 1) </div><div> 1</div><div> failed!</div></div><div><br></div><div>Let me know if question is not clear.</div><div><br></div><div>my lttng script<br></div><div><div>-------------------------------------------- </div><div><div>lttng create -o /root/data/tracing --snapshot TEST</div><div>while IFS=, read EVENTNAME CHANNELNAME BUFFERSIZE </div><div>do</div><div><span style="white-space:pre-wrap"> </span>lttng enable-channel --userspace --tracefile-size ${BUFFERSIZE}K --tracefile-count 1 --overwrite ${CHANNELNAME}</div><div><span style="white-space:pre-wrap"> </span>lttng enable-event -u ${EVENTNAME} --loglevel ERR -c ${CHANNELNAME}</div><div><span style="white-space:pre-wrap"> </span>lttng enable-event -u ${EVENTNAME} --loglevel CRIT -c ${CHANNELNAME}</div><div>done < demo_lttngdb</div><div><span style="white-space:pre-wrap"> </span>lttng start</div></div><div><br></div><div><br></div><div>my demo_lttngdb file</div><div>-------------------------------------------</div><div><div>channel1,channel1,65535</div><div>channel2*,channel2,4096</div><div>channel3*,channel3,4096</div><div>channel4*,channel4,4096</div><div>channel5*,channel5,4096</div><div>channel6*,channel6,4096</div><div>channel7*,channel7,4096</div><div>channel8*,channel8,4096</div><div>channel9*,channel9,8192</div><div>channel10*,channel10,4096</div><div>channel11*,channel11,4096</div><div>channel12*,channel12,4096</div><div>channel13*,channel13,4096</div><div>channel14*,channel14,4096</div><div>channel15*,channel15,4096</div></div></div><div>.............</div><div>.............<br></div><div>.............<br></div><div>channel48*,channel48,4096<br></div></div>
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<br></blockquote></div><span><font color="#888888"><br><br clear="all"><div><br></div>-- <br><div>Jérémie Galarneau<br>EfficiOS Inc.<br><a href="http://www.efficios.com" target="_blank">http://www.efficios.com</a></div>
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