Hi, Here's the backtrace from the MDS crash with the debug symbols: root@mds0:~# gdb /usr/lib/debug/usr/bin/cmds /core .. .. Reading symbols from /usr/lib/debug/usr/bin/cmds...done. [New Thread 2288] [New Thread 2294] [New Thread 2295] warning: Unable to find dynamic linker breakpoint function. GDB will be unable to debug shared library initializers and track explicitly loaded dynamic code. Core was generated by `/usr/bin/cmds -i 0 -c /tmp/ceph.conf.2674'. Program terminated with signal 11, Segmentation fault. #0 Logger::_flush (this=0x15b8460, reset=<value optimized out>) at common/Logger.cc:218 218 common/Logger.cc: No such file or directory. in common/Logger.cc (gdb) bt #0 Logger::_flush (this=0x15b8460, reset=<value optimized out>) at common/Logger.cc:218 #1 0x0000000000000028 in ?? () #2 0x0000000000000000 in ?? () (gdb) Is this sufficient? -- Met vriendelijke groet, Wido den Hollander Hoofd Systeembeheer / CSO Telefoon Support Nederland: 0900 9633 (45 cpm) Telefoon Support België: 0900 70312 (45 cpm) Telefoon Direct: (+31) (0)20 50 60 104 Fax: +31 (0)20 50 60 111 E-mail: support@xxxxxxxxxxxx Website: http://www.pcextreme.nl Kennisbank: http://support.pcextreme.nl/ Netwerkstatus: http://nmc.pcextreme.nl On Thu, 2010-05-06 at 17:18 +0000, Sage Weil wrote: > gdb /usr/lib/debug/usr/bin/cmds /path/to/core -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html