Oct 22 19:57:01 icfs02 smbd[3819996]: [2016/10/22 19:57:01.866648, 0] ../lib/util/fault.c:78(fault_report) Oct 22 19:57:01 icfs02 smbd[3819996]: =============================================================== Oct 22 19:57:01 icfs02 smbd[3819996]: [2016/10/22 19:57:01.880917, 0] ../lib/util/fault.c:79(fault_report) Oct 22 19:57:01 icfs02 smbd[3819996]: INTERNAL ERROR: Signal 11 in pid 3819996 (4.2.0) Oct 22 19:57:01 icfs02 smbd[3819996]: Please read the Trouble-Shooting section of the Samba HOWTO Oct 22 19:57:01 icfs02 smbd[3819996]: [2016/10/22 19:57:01.881029, 0] ../lib/util/fault.c:81(fault_report) Oct 22 19:57:01 icfs02 smbd[3819996]: =============================================================== Oct 22 19:57:01 icfs02 smbd[3819996]: [2016/10/22 19:57:01.881113, 0] ../source3/lib/util.c:788(smb_panic_s3) Oct 22 19:57:01 icfs02 smbd[3819996]: PANIC (pid 3819996): internal error Oct 22 19:57:01 icfs02 smbd[3819996]: [2016/10/22 19:57:01.881864, 0] ../source3/lib/util.c:899(log_stack_trace) Oct 22 19:57:01 icfs02 smbd[3819996]: BACKTRACE: 29 stack frames: Oct 22 19:57:01 icfs02 smbd[3819996]: #0 /usr/lib64/libsmbconf.so.0(log_stack_trace+0x1a) [0x7f955b69fdba] Oct 22 19:57:01 icfs02 smbd[3819996]: #1 /usr/lib64/libsmbconf.so.0(smb_panic_s3+0x23) [0x7f955b69fe83] Oct 22 19:57:01 icfs02 smbd[3819996]: #2 /usr/lib64/libsamba-util.so.0(smb_panic+0x3a) [0x7f955d902e9a] Oct 22 19:57:01 icfs02 smbd[3819996]: #3 /usr/lib64/libsamba-util.so.0(+0x230b2) [0x7f955d9030b2] Oct 22 19:57:01 icfs02 smbd[3819996]: #4 /lib64/libpthread.so.0(+0xf710) [0x7f955db21710] Oct 22 19:57:01 icfs02 smbd[3819996]: #5 /usr/lib64/samba/libsmbd-base-samba4.so(file_close_user+0x9) [0x7f955d45ed29] Oct 22 19:57:01 icfs02 smbd[3819996]: #6 /usr/lib64/samba/libsmbd-base-samba4.so(smbXsrv_session_logoff+0xe9) [0x7f955d507c79] Oct 22 19:57:01 icfs02 smbd[3819996]: #7 /usr/lib64/samba/libsmbd-base-samba4.so(+0x161726) [0x7f955d508726] Oct 22 19:57:01 icfs02 smbd[3819996]: #8 /usr/lib64/samba/libtalloc.so.2(+0x62fe) [0x7f955cf9b2fe] Oct 22 19:57:01 icfs02 smbd[3819996]: #9 /usr/lib64/samba/libtalloc.so.2(+0x60ab) [0x7f955cf9b0ab] Oct 22 19:57:01 icfs02 smbd[3819996]: #10 /usr/lib64/samba/libtalloc.so.2(+0x60ab) [0x7f955cf9b0ab] Oct 22 19:57:01 icfs02 smbd[3819996]: #11 /usr/lib64/samba/libsmbd-base-samba4.so(+0x1686a8) [0x7f955d50f6a8] Oct 22 19:57:01 icfs02 smbd[3819996]: #12 /usr/lib64/samba/libsmbd-base-samba4.so(+0x168a3e) [0x7f955d50fa3e] Oct 22 19:57:01 icfs02 smbd[3819996]: #13 /usr/lib64/samba/libsmbd-shim-samba4.so(exit_server_cleanly+0x12) [0x7f955b052a32] Oct 22 19:57:01 icfs02 smbd[3819996]: #14 /usr/lib64/samba/libsmbd-base-samba4.so(smbd_server_connection_terminate_ex+0x2b) [0x7f955d4ee24b] Oct 22 19:57:01 icfs02 smbd[3819996]: #15 /usr/lib64/samba/libsmbd-base-samba4.so(+0x14afa6) [0x7f955d4f1fa6] Oct 22 19:57:01 icfs02 smbd[3819996]: #16 /usr/lib64/libsmbconf.so.0(run_events_poll+0x2b7) [0x7f955b6b58d7] Oct 22 19:57:01 icfs02 smbd[3819996]: #17 /usr/lib64/libsmbconf.so.0(+0x37d26) [0x7f955b6b5d26] Oct 22 19:57:01 icfs02 smbd[3819996]: #18 /usr/lib64/samba/libtevent.so.0(_tevent_loop_once+0x9d) [0x7f955cb8a8bd] Oct 22 19:57:01 icfs02 smbd[3819996]: #19 /usr/lib64/samba/libtevent.so.0(tevent_common_loop_wait+0x1b) [0x7f955cb8a93b] Oct 22 19:57:01 icfs02 smbd[3819996]: #20 /usr/lib64/samba/libsmbd-base-samba4.so(smbd_process+0x74e) [0x7f955d4dbbce] Oct 22 19:57:01 icfs02 smbd[3819996]: #21 smbd(+0x93ac) [0x7f955df5a3ac] Oct 22 19:57:01 icfs02 smbd[3819996]: #22 /usr/lib64/libsmbconf.so.0(run_events_poll+0x2b7) [0x7f955b6b58d7] Oct 22 19:57:01 icfs02 smbd[3819996]: #23 /usr/lib64/libsmbconf.so.0(+0x37d26) [0x7f955b6b5d26] Oct 22 19:57:01 icfs02 smbd[3819996]: #24 /usr/lib64/samba/libtevent.so.0(_tevent_loop_once+0x9d) [0x7f955cb8a8bd] Oct 22 19:57:01 icfs02 smbd[3819996]: #25 /usr/lib64/samba/libtevent.so.0(tevent_common_loop_wait+0x1b) [0x7f955cb8a93b] Oct 22 19:57:01 icfs02 smbd[3819996]: #26 smbd(main+0x1640) [0x7f955df5c010] Oct 22 19:57:01 icfs02 smbd[3819996]: #27 /lib64/libc.so.6(__libc_start_main+0xfd) [0x7f9559f17d1d] Oct 22 19:57:01 icfs02 smbd[3819996]: #28 smbd(+0x5e09) [0x7f955df56e09] Oct 22 19:57:01 icfs02 smbd[3819996]: [2016/10/22 19:57:01.907534, 0] ../source3/lib/dumpcore.c:318(dump_core) Oct 22 19:57:01 icfs02 smbd[3819996]: dumping core in /var/log/samba/cores/smbd Oct 22 19:57:01 icfs02 smbd[3819996]: Oct 22 19:58:52 icfs02 smbd[3843166]: [2016/10/22 19:58:52.926950, 0] ../source3/printing/print_cups.c:151(cups_connect) Oct 22 19:58:52 icfs02 smbd[3843166]: Unable to connect to CUPS server localhost:631 - Connection refused
Is this somehow reproducible? If so, can you run Samba with "debug level = 10" and send us the log.smbd leading to this crash? Further steps would be to recompile Samba with debug symbols (CFLAGS=-g; export CFLAGS before configure) and run it under valgrind. Then send us the output of valgrind. Thanks!
fixed after patch bugfix 11394 *** This bug has been marked as a duplicate of bug 11394 ***