[Samba] samba crashing on start up INTERNAL ERROR: Signal 11

Sonic sonicsmith at gmail.com
Sun Sep 4 18:39:16 UTC 2016 

Samba has been running great but now I'm seeing a problem. Been
compiling from git 4-4-test, but even 4-4.stable (4.4.5) has the same
issue. I've tried to follow the troubleshooting guide and this is what
I come up with:

# nmbd -FS
nmbd version 4.4.6-GIT-1305ba6 started.
Copyright Andrew Tridgell and the Samba Team 1992-2016
STATUS=daemon 'nmbd' finished starting up and ready to serve connections
===============================================================
INTERNAL ERROR: Signal 11 in pid 11238 (4.4.6-GIT-1305ba6)
Please read the Trouble-Shooting section of the Samba HOWTO
===============================================================
PANIC (pid 11238): internal error
BACKTRACE: 13 stack frames:
 #0 /usr/local/samba/lib/libsmbconf.so.0(log_stack_trace+0x1f) [0x7f3fe2250a81]
 #1 /usr/local/samba/lib/libsmbconf.so.0(smb_panic_s3+0x6d) [0x7f3fe22508d2]
 #2 /usr/local/samba/lib/libsamba-util.so.0(smb_panic+0x28) [0x7f3fe2cb7004]
 #3 /usr/local/samba/lib/libsamba-util.so.0(+0x20ce2) [0x7f3fe2cb6ce2]
 #4 /usr/local/samba/lib/libsamba-util.so.0(+0x20cf7) [0x7f3fe2cb6cf7]
 #5 /lib64/libpthread.so.0(+0x10d90) [0x7f3fe3127d90]
 #6 /usr/lib64/libtalloc.so.2(talloc_get_size+0x5) [0x7f3fe03163c5]
 #7 /usr/local/samba/lib/libsmbconf.so.0(event_add_to_poll_args+0x72)
[0x7f3fe226bf81]
 #8 nmbd(listen_for_packets+0x230) [0x56036fb9f2b1]
 #9 nmbd(+0x9bdf) [0x56036fb88bdf]
 #10 nmbd(main+0xe17) [0x56036fb89e04]
 #11 /lib64/libc.so.6(__libc_start_main+0xf0) [0x7f3fdf74a720]
 #12 nmbd(_start+0x29) [0x56036fb86e59]
smb_panic(): calling panic action [/bin/sleep 90000]

# smbd -FS
smbd version 4.4.6-GIT-1305ba6 started.
Copyright Andrew Tridgell and the Samba Team 1992-2016
===============================================================
INTERNAL ERROR: Signal 11 in pid 11198 (4.4.6-GIT-1305ba6)
Please read the Trouble-Shooting section of the Samba HOWTO
===============================================================
PANIC (pid 11198): internal error
===============================================================
INTERNAL ERROR: Signal 11 in pid 11199 (4.4.6-GIT-1305ba6)
Please read the Trouble-Shooting section of the Samba HOWTO
===============================================================
PANIC (pid 11199): internal error
BACKTRACE: 16 stack frames:
 #0 /usr/local/samba/lib/libsmbconf.so.0(log_stack_trace+0x1f) [0x7efe57c8ca81]
 #1 /usr/local/samba/lib/libsmbconf.so.0(smb_panic_s3+0x6d) [0x7efe57c8c8d2]
 #2 /usr/local/samba/lib/libsamba-util.so.0(smb_panic+0x28) [0x7efe5a2bb004]
 #3 /usr/local/samba/lib/libsamba-util.so.0(+0x20ce2) [0x7efe5a2bace2]
 #4 /usr/local/samba/lib/libsamba-util.so.0(+0x20cf7) [0x7efe5a2bacf7]
 #5 /lib64/libpthread.so.0(+0x10d90) [0x7efe5a526d90]
 #6 /usr/lib64/libtevent.so.0(tevent_debug+0x5e) [0x7efe564f405e]
 #7 /usr/lib64/libtevent.so.0(tevent_common_loop_timer_delay+0xba)
[0x7efe564f862a]
 #8 /usr/local/samba/lib/libsmbconf.so.0(run_events_poll+0x76) [0x7efe57ca83a9]
 #9 /usr/local/samba/lib/libsmbconf.so.0(+0x3b9f7) [0x7efe57ca89f7]
 #10 /usr/lib64/libtevent.so.0(_tevent_loop_once+0x9d) [0x7efe564f3c1d]
 #11 /usr/lib64/libtevent.so.0(tevent_req_poll+0x1f) [0x7efe564f4fbf]
 #12 smbd(+0x75ea) [0x55e4354375ea]
 #13 smbd(main+0xf5a) [0x55e43543a7c5]
 #14 /lib64/libc.so.6(__libc_start_main+0xf0) [0x7efe56170720]
 #15 smbd(_start+0x29) [0x55e435435b19]
smb_panic(): calling panic action [/bin/sleep 90000]
BACKTRACE: 6 stack frames:
 #0 /usr/local/samba/lib/libsmbconf.so.0(log_stack_trace+0x1f) [0x7efe57c8ca81]
 #1 /usr/local/samba/lib/libsmbconf.so.0(smb_panic_s3+0x6d) [0x7efe57c8c8d2]
 #2 /usr/local/samba/lib/libsamba-util.so.0(smb_panic+0x28) [0x7efe5a2bb004]
 #3 /usr/local/samba/lib/libsamba-util.so.0(+0x20ce2) [0x7efe5a2bace2]
 #4 /usr/local/samba/lib/libsamba-util.so.0(+0x20cf7) [0x7efe5a2bacf7]
 #5 /lib64/libpthread.so.0(+0x10d90) [0x7efe5a526d90]
smb_panic(): calling panic action [/bin/sleep 90000]

nmbd:
(gdb) bt
#0  0x00007f8fefbeaeea in waitpid () from /lib64/libc.so.6
#1  0x00007f8fefb7205b in ?? () from /lib64/libc.so.6
#2  0x00007f8ff265998b in smb_panic_s3 (why=0x7f8ff31106fd "internal error") at
../source3/lib/util.c:804
#3  0x00007f8ff30c0004 in smb_panic (why=0x7f8ff31106fd "internal error") at
../lib/util/fault.c:166
#4  0x00007f8ff30bfce2 in fault_report (sig=11) at ../lib/util/fault.c:83
#5  0x00007f8ff30bfcf7 in sig_fault (sig=11) at ../lib/util/fault.c:94
#6  <signal handler called>
#7  0x00007f8ff071f3c5 in talloc_get_size () from /usr/lib64/libtalloc.so.2
#8  0x00007f8ff2674f81 in event_add_to_poll_args (ev=0x56363bcbf2e0,
mem_ctx=0x0, pfds=0x56363ad170d8 <fds>, pnum_pfds=0x7ffe10d579a4,
    ptimeout=0x7ffe10d579a8) at ../source3/lib/events.c:92
#9  0x000056363aaf22b1 in listen_for_packets (msg=0x56363bcbf410,
run_election=false) at ../source3/nmbd/nmbd_packets.c:1939
#10 0x000056363aadbbdf in process (msg=0x56363bcbf410) at
../source3/nmbd/nmbd.c:526
#11 0x000056363aadce04 in main (argc=2, argv=0x7ffe10d57d88) at
../source3/nmbd/nmbd.c:1100

smbd:
gdb) bt
#0  0x00007efe56207eea in waitpid () from /lib64/libc.so.6
#1  0x00007efe5618f05b in ?? () from /lib64/libc.so.6
#2  0x00007efe57c8c98b in smb_panic_s3 (why=0x7efe5a30b6fd "internal error") at
../source3/lib/util.c:804
#3  0x00007efe5a2bb004 in smb_panic (why=0x7efe5a30b6fd "internal error") at
../lib/util/fault.c:166
#4  0x00007efe5a2bace2 in fault_report (sig=11) at ../lib/util/fault.c:83
#5  0x00007efe5a2bacf7 in sig_fault (sig=11) at ../lib/util/fault.c:94
#6  <signal handler called>
#7  0x00007efe564f405e in tevent_debug () from /usr/lib64/libtevent.so.0
#8  0x00007efe564f862a in tevent_common_loop_timer_delay () from
/usr/lib64/libtevent.so.0
#9  0x00007efe57ca83a9 in run_events_poll (ev=0x55e43682c8e0, pollrtn=0,
pfds=0x0, num_pfds=0) at ../source3/lib/events.c:199
#10 0x00007efe57ca89f7 in s3_event_loop_once (ev=0x55e43682c8e0,
location=0x7efe564fa05f "../tevent_req.c:264") at ../source3/lib/events.c:303
#11 0x00007efe564f3c1d in _tevent_loop_once () from /usr/lib64/libtevent.so.0
#12 0x00007efe564f4fbf in tevent_req_poll () from /usr/lib64/libtevent.so.0
#13 0x000055e4354375ea in smbd_notifyd_init (msg=0x55e43682ca10,
interactive=false) at ../source3/smbd/server.c:411
#14 0x000055e43543a7c5 in main (argc=2, argv=0x7fff228aca28) at
../source3/smbd/server.c:1597

(gdb) bt
#0  0x00007efe56207eea in waitpid () from /lib64/libc.so.6
#1  0x00007efe5618f05b in ?? () from /lib64/libc.so.6
#2  0x00007efe57c8c98b in smb_panic_s3 (why=0x7efe5a30b6fd "internal error") at
../source3/lib/util.c:804
#3  0x00007efe5a2bb004 in smb_panic (why=0x7efe5a30b6fd "internal error") at
../lib/util/fault.c:166
#4  0x00007efe5a2bace2 in fault_report (sig=11) at ../lib/util/fault.c:83
#5  0x00007efe5a2bacf7 in sig_fault (sig=11) at ../lib/util/fault.c:94
#6  <signal handler called>
#7  0x0000000000000000 in ?? ()
#8  0x00007efe564f8640 in tevent_common_loop_timer_delay () from
/usr/lib64/libtevent.so.0
#9  0x00007efe57ca83a9 in run_events_poll (ev=0x55e43682c8e0, pollrtn=0,
pfds=0x0, num_pfds=0) at ../source3/lib/events.c:199
#10 0x00007efe57ca89f7 in s3_event_loop_once (ev=0x55e43682c8e0,
location=0x7efe564fa05f "../tevent_req.c:264") at ../source3/lib/events.c:303
#11 0x00007efe564f3c1d in _tevent_loop_once () from /usr/lib64/libtevent.so.0
#12 0x00007efe564f4fbf in tevent_req_poll () from /usr/lib64/libtevent.so.0
#13 0x000055e435437d71 in cleanupd_init (msg=0x55e43682ca10, interactive=false,
ppid=0x55e436831c70) at ../source3/smbd/server.c:515
#14 0x000055e43543a800 in main (argc=2, argv=0x7fff228aca28) at
../source3/smbd/server.c:1601

Where to go from here?

Thanks,

Chris

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