Can you also build samba with debug symbols. You'll have to uncomment the --enable-developer section in the ports/net/samba/Makefile and rebuild and reinstall.
Ian McWilliam ________________________________________ From: owner-po...@openbsd.org [owner-po...@openbsd.org] on behalf of johnw [johnw.m...@gmail.com] Sent: Wednesday, 1 June 2016 3:52 PM To: ports@openbsd.org Cc: Ian McWilliam; Jeremie Courreges-Anglas Subject: Re: SAMBA crash of smbd(18370) signal 6 Hi, smbd crash again. >> A gdb backtrace would help. >> >> doas gdb smbd /var/crash/smbd/something.core, type 'bt' >> >> BTW testparm is nice but it contains lots of extra data, it is a good >> thing to have its output plus the original smb.conf. Sorry to say that, I forget to mkdir -m 700 /var/crash/smbd, so no core this time. I attached /etc/samba/smb.conf. > > In your smb config file add > > panic action = /bin/sleep 9000 > > Start smbd, do what ever you do to make it crash and attach to the smbd > process using gdb. > > I found some crash message in /var/log/samba/log.smbd (attached) like this: [2016/06/01 13:14:14.773811, 0] ../lib/util/fault.c:79(fault_report) INTERNAL ERROR: Signal 11 in pid 92776 (4.4.3) Please read the Trouble-Shooting section of the Samba HOWTO [2016/06/01 13:14:14.773862, 0] ../lib/util/fault.c:81(fault_report) =============================================================== [2016/06/01 13:14:14.773876, 0] ../source3/lib/util.c:791(smb_panic_s3) PANIC (pid 92776): internal error [2016/06/01 13:14:14.774048, 0] ../source3/lib/util.c:902(log_stack_trace) BACKTRACE: 1 stack frames: #0 0x11bbe8ae751e <log_stack_trace+62> at /usr/local/lib/libsmbconf.so.0.0 [2016/06/01 13:14:14.774116, 0] ../source3/lib/util.c:803(smb_panic_s3) smb_panic(): calling panic action [/bin/sleep 9000] then I run gdb /usr/local/sbin/smbd 92776 as root and then type bt (gdb) bt #0 0x000011bc8570973a in _thread_sys_wait4 () at <stdin>:2 #1 0x000011bc856f9e79 in *_libc_wait4_cancel (wpid=Variable "wpid" is not available. ) at /usr/src/lib/libc/sys/w_wait4.c:27 #2 0x000011bc8571ad4d in *_libc_system (command=Variable "command" is not available. ) at /usr/src/lib/libc/stdlib/system.c:69 #3 0x000011bbe8ae766d in smb_panic_s3 () from /usr/local/lib/libsmbconf.so.0.0 #4 0x000011bc3b68362d in smb_panic () from /usr/local/lib/libsamba-util.so.1.0 #5 0x000011bc3b68383f in sig_fault () from /usr/local/lib/libsamba-util.so.1.0 #6 <signal handler called> #7 0x000011b98ce0a52a in smbd_sig_chld_handler () from /usr/local/sbin/smbd #8 0x000011bc86ee89eb in tevent_common_check_signal () from /usr/local/lib/libtevent.so.0.2 #9 0x000011bbe8afcc51 in run_events_poll () from /usr/local/lib/libsmbconf.so.0.0 #10 0x000011bbe8afd270 in s3_event_loop_once () from /usr/local/lib/libsmbconf.so.0.0 #11 0x000011bc86ee4dd1 in _tevent_loop_once () from /usr/local/lib/libtevent.so.0.2 #12 0x000011bc86ee4e4b in tevent_common_loop_wait () from /usr/local/lib/libtevent.so.0.2 #13 0x000011b98ce0c0f0 in main () from /usr/local/sbin/smbd Current language: auto; currently asm Thank all.
