[SC-1:Node16 Wed Apr 10 09:32:37/cluster/dumps] # dir total 8456 -rw------- 1 root root 76394496 Apr 9 12:56 lttng-sessiond.2050.SC-1.core -rw------- 1 root root 76275712 Apr 9 12:58 lttng-sessiond.2530.SC-1.core -rw------- 1 root root 76275712 Apr 9 12:59 lttng-sessiond.2757.SC-1.core -rw------- 1 root root 76275712 Apr 9 13:01 lttng-sessiond.2949.SC-1.core -rw------- 1 root root 76378112 Apr 9 14:36 lttng-sessiond.3169.SC-1.core -rw------- 1 root root 76410880 Apr 9 14:39 lttng-sessiond.9525.SC-1.core -rw------- 1 root root 76410880 Apr 9 14:40 lttng-sessiond.9829.SC-1.core -rw------- 1 root root 76410880 Apr 9 14:52 lttng-sessiond.10003.SC-1.core -rw------- 1 root root 76275712 Apr 9 15:02 lttng-sessiond.10956.SC-1.core -rw------- 1 root root 76275712 Apr 9 15:07 lttng-sessiond.11824.SC-1.core [SC-1:Node16 Wed Apr 10 09:32:37/cluster/dumps] # which lttng-sessiond /usr/bin/lttng-sessiond [SC-1:Node16 Wed Apr 10 09:32:59/cluster/dumps] # gdb /usr/bin/lttng-sessiond lttng-sessiond.11824.SC-1.core GNU gdb (GDB) SUSE (7.3-0.6.1) Copyright (C) 2011 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This GDB was configured as "x86_64-suse-linux". For bug reporting instructions, please see: ... Reading symbols from /usr/bin/lttng-sessiond...Reading symbols from /usr/lib/debug/usr/bin/lttng-sessiond.debug...done. done. [New LWP 11829] [New LWP 11832] [New LWP 11824] [New LWP 12148] [New LWP 11827] [New LWP 11849] [New LWP 11828] [New LWP 11831] [New LWP 11833] [New LWP 11830] Missing separate debuginfo for /lib64/librt.so.1 Try: zypper install -C "debuginfo(build-id)=d2c6a2f5b4c35e0fb41d45e2be66c3b73b686a44" Missing separate debuginfo for /lib64/libuuid.so.1 Try: zypper install -C "debuginfo(build-id)=f9998d18c497b2047b48e0702daa82204e2a944d" Missing separate debuginfo for /lib64/libdl.so.2 Try: zypper install -C "debuginfo(build-id)=3e4f6bfee9fdf77ca975b77b8c325347d9228bb8" Missing separate debuginfo for /lib64/libpopt.so.0 Try: zypper install -C "debuginfo(build-id)=895e7fadb3a3371343391d34280543ea4df24a03" Missing separate debuginfo for /lib64/libpthread.so.0 Try: zypper install -C "debuginfo(build-id)=bb81b1117fc93fc0eafb3e96eabfca4d8976c879" Missing separate debuginfo for /lib64/libc.so.6 Try: zypper install -C "debuginfo(build-id)=2636ed5ff526582a49ed9b6e982c231335db1620" Missing separate debuginfo for /lib64/ld-linux-x86-64.so.2 Try: zypper install -C "debuginfo(build-id)=3d68b93f8701971da6133437486f3909223534f8" Missing separate debuginfo for Try: zypper install -C "debuginfo(build-id)=74dac034c5964f9441a4606642c4f7c8d4f82afa" Missing separate debuginfo for /lib64/librt.so.1 Try: zypper install -C "debuginfo(build-id)=d2c6a2f5b4c35e0fb41d45e2be66c3b73b686a44" Missing separate debuginfo for /lib64/libuuid.so.1 Try: zypper install -C "debuginfo(build-id)=f9998d18c497b2047b48e0702daa82204e2a944d" Missing separate debuginfo for /lib64/libdl.so.2 Try: zypper install -C "debuginfo(build-id)=3e4f6bfee9fdf77ca975b77b8c325347d9228bb8" Missing separate debuginfo for /lib64/libpopt.so.0 Try: zypper install -C "debuginfo(build-id)=895e7fadb3a3371343391d34280543ea4df24a03" Missing separate debuginfo for /lib64/libpthread.so.0 Try: zypper install -C "debuginfo(build-id)=bb81b1117fc93fc0eafb3e96eabfca4d8976c879" [Thread debugging using libthread_db enabled] Missing separate debuginfo for /lib64/libc.so.6 Try: zypper install -C "debuginfo(build-id)=2636ed5ff526582a49ed9b6e982c231335db1620" Missing separate debuginfo for /lib64/ld-linux-x86-64.so.2 Try: zypper install -C "debuginfo(build-id)=3d68b93f8701971da6133437486f3909223534f8" Core was generated by `lttng-sessiond -d'. Program terminated with signal 6, Aborted. #0 0x00007f4d42413b55 in raise () from /lib64/libc.so.6 (gdb) bt #0 0x00007f4d42413b55 in raise () from /lib64/libc.so.6 #1 0x00007f4d42415131 in abort () from /lib64/libc.so.6 #2 0x00007f4d4240ca10 in __assert_fail () from /lib64/libc.so.6 #3 0x000000000041b2c5 in shadow_copy_session (ua_sess=0x67afc0, usess=0x66b460, app=0x66d330) at ust-app.c:1392 #4 0x000000000041bb4d in create_ust_app_session (usess=0x66b460, app=0x66d330, ua_sess_ptr=0x7f4d40fca928, is_created=0x0) at ust-app.c:1615 #5 0x0000000000420ac2 in ust_app_global_update (usess=0x66b460, sock=22) at ust-app.c:3927 #6 0x0000000000426188 in update_ust_app (app_sock=22) at main.c:680 #7 0x00000000004280fd in thread_dispatch_ust_registration (data=0x0) at main.c:1465 #8 0x00007f4d4275c7b6 in start_thread () from /lib64/libpthread.so.0 #9 0x00007f4d424b8c6d in clone () from /lib64/libc.so.6 #10 0x0000000000000000 in ?? () (gdb) (gdb) bt full #0 0x00007f4d42413b55 in raise () from /lib64/libc.so.6 No symbol table info available. #1 0x00007f4d42415131 in abort () from /lib64/libc.so.6 No symbol table info available. #2 0x00007f4d4240ca10 in __assert_fail () from /lib64/libc.so.6 No symbol table info available. #3 0x000000000041b2c5 in shadow_copy_session (ua_sess=0x67afc0, usess=0x66b460, app=0x66d330) at ust-app.c:1392 ua_chan_node = 0x7f4d40fca880 iter = {iter = {node = 0x0, next = 0x66b460}} uchan = 0x41b61d ua_chan = 0x4 rawtime = 1365534437 timeinfo = 0x7f4d42754400 datetime = "20130409-150717" ret = 0 __func__ = "shadow_copy_session" __PRETTY_FUNCTION__ = "shadow_copy_session" #4 0x000000000041bb4d in create_ust_app_session (usess=0x66b460, app=0x66d330, ua_sess_ptr=0x7f4d40fca928, is_created=0x0) at ust-app.c:1615 ret = 6702768 ---Type to continue, or q to quit--- created = 0 ua_sess = 0x67afc0 __PRETTY_FUNCTION__ = "create_ust_app_session" __func__ = "create_ust_app_session" #5 0x0000000000420ac2 in ust_app_global_update (usess=0x66b460, sock=22) at ust-app.c:3927 ret = 0 iter = {iter = {node = 0x0, next = 0x0}} uiter = {iter = {node = 0x0, next = 0x0}} iter_ctx = {iter = {node = 0x0, next = 0x0}} app = 0x66d330 ua_sess = 0x0 ua_chan = 0x0 ua_event = 0x0 ua_ctx = 0x0 __PRETTY_FUNCTION__ = "ust_app_global_update" __func__ = "ust_app_global_update" #6 0x0000000000426188 in update_ust_app (app_sock=22) at main.c:680 sess = 0x667790 stmp = 0x656498 ---Type to continue, or q to quit--- #7 0x00000000004280fd in thread_dispatch_ust_registration (data=0x0) at main.c:1465 app = 0x66d330 ret = 0 node = 0x7f4d38000928 ust_cmd = 0x7f4d380008d0 wait_node = 0x668fa0 tmp_wait_node = 0x7f4d40fcab38 wait_queue = {next = 0x7f4d40fcab40, prev = 0x7f4d40fcab40} __func__ = "thread_dispatch_ust_registration" #8 0x00007f4d4275c7b6 in start_thread () from /lib64/libpthread.so.0 No symbol table info available. #9 0x00007f4d424b8c6d in clone () from /lib64/libc.so.6 No symbol table info available. #10 0x0000000000000000 in ?? () No symbol table info available. (gdb) quit [SC-1:Node16 Wed Apr 10 09:33:26/cluster/dumps] # gdb /usr/bin/lttng-sessiond lttng-sessiond.11824.SC-1.core