samba - Aug 2011 - samba 3.6.0 core dump

Hello,

Any thoughts on what is causing this?

Aug 13 12:42:00 box smbd[29073]: [2011/08/13 12:42:00.489676,  0]
lib/fault.c:47(fault_report)
Aug 13 12:42:00 box smbd[29073]:  
===============================================================
Aug 13 12:42:00 box smbd[29073]: [2011/08/13 12:42:00.490368,  0]
lib/fault.c:48(fault_report)
Aug 13 12:42:00 box smbd[29073]:   INTERNAL ERROR: Signal 11 in pid 29073
(3.6.0)
Aug 13 12:42:00 box smbd[29073]:   Please read the Trouble-Shooting section of
the Samba3-HOWTO
Aug 13 12:42:00 box smbd[29073]: [2011/08/13 12:42:00.490448,  0]
lib/fault.c:50(fault_report)
Aug 13 12:42:00 box smbd[29073]: 
Aug 13 12:42:00 box smbd[29073]:   From:
http://www.samba.org/samba/docs/Samba3-HOWTO.pdf
Aug 13 12:42:00 box smbd[29073]: [2011/08/13 12:42:00.490516,  0]
lib/fault.c:51(fault_report)
Aug 13 12:42:00 box smbd[29073]:  
===============================================================
Aug 13 12:42:00 box smbd[29073]: [2011/08/13 12:42:00.490563,  0]
lib/util.c:1116(smb_panic)
Aug 13 12:42:00 box smbd[29073]:   PANIC (pid 29073): internal error 
Aug 13 12:42:00 box smbd[29073]: [2011/08/13 12:42:00.502997,  0]
lib/util.c:1220(log_stack_trace)
Aug 13 12:42:00 box smbd[29073]:   BACKTRACE: 29 stack frames: 
Aug 13 12:42:00 box smbd[29073]:    #0 /usr/sbin/smbd(log_stack_trace+0x1a)
[0x7f1ecc85fbda]
Aug 13 12:42:00 box smbd[29073]:    #1 /usr/sbin/smbd(smb_panic+0x25)
[0x7f1ecc85fcb5]
Aug 13 12:42:00 box smbd[29073]:    #2 /usr/sbin/smbd(+0x4202b8)
[0x7f1ecc8512b8]
Aug 13 12:42:00 box smbd[29073]:    #3 /lib/x86_64-linux-gnu/libc.so.6(+0x32480)
[0x7f1ec91fe480]
Aug 13 12:42:00 box smbd[29073]:    #4 /usr/sbin/smbd(+0x11bc52)
[0x7f1ecc54cc52]
Aug 13 12:42:00 box smbd[29073]:    #5 /usr/sbin/smbd(dptr_CloseDir+0x47)
[0x7f1ecc54d437]
Aug 13 12:42:00 box smbd[29073]:    #6 /usr/sbin/smbd(fd_close+0x13)
[0x7f1ecc59b843]
Aug 13 12:42:00 box smbd[29073]:    #7 /usr/sbin/smbd(close_file+0x218)
[0x7f1ecc5a30e8]
Aug 13 12:42:00 box smbd[29073]:    #8 /usr/sbin/smbd(file_close_conn+0x4c)
[0x7f1ecc549e7c]
Aug 13 12:42:00 box smbd[29073]:    #9 /usr/sbin/smbd(close_cnum+0x2c)
[0x7f1ecc5bf26c]
Aug 13 12:42:00 box smbd[29073]:    #10 /usr/sbin/smbd(+0x19e884)
[0x7f1ecc5cf884]
Aug 13 12:42:00 box smbd[29073]:    #11
/usr/lib/x86_64-linux-gnu/libtalloc.so.2(_talloc_free+0x3f5) [0x7f1ec9b88905]
Aug 13 12:42:00 box smbd[29073]:    #12
/usr/sbin/smbd(smbd_smb2_request_process_tdis+0x60) [0x7f1ecc5d0250]
Aug 13 12:42:00 box smbd[29073]:    #13
/usr/sbin/smbd(smbd_smb2_request_dispatch+0x2ee) [0x7f1ecc5cba5e]
Aug 13 12:42:00 box smbd[29073]:    #14 /usr/sbin/smbd(+0x19b7bd)
[0x7f1ecc5cc7bd]
Aug 13 12:42:00 box smbd[29073]:    #15 /usr/sbin/smbd(+0x199440)
[0x7f1ecc5ca440]
Aug 13 12:42:00 box smbd[29073]:    #16 /usr/sbin/smbd(+0x236902)
[0x7f1ecc667902]
Aug 13 12:42:00 box smbd[29073]:    #17 /usr/sbin/smbd(+0x2363e4)
[0x7f1ecc6673e4]
Aug 13 12:42:00 box smbd[29073]:    #18 /usr/sbin/smbd(+0x235344)
[0x7f1ecc666344]
Aug 13 12:42:00 box smbd[29073]:    #19
/usr/sbin/smbd(tevent_common_loop_immediate+0xe2) [0x7f1ecc870da2]
Aug 13 12:42:00 box smbd[29073]:    #20 /usr/sbin/smbd(run_events_poll+0x48)
[0x7f1ecc86ee98]
Aug 13 12:42:00 box smbd[29073]:    #21 /usr/sbin/smbd(smbd_process+0xd5b)
[0x7f1ecc5bc07b]
Aug 13 12:42:00 box smbd[29073]:    #22 /usr/sbin/smbd(+0x6a01ef)
[0x7f1eccad11ef]
Aug 13 12:42:00 box smbd[29073]:    #23 /usr/sbin/smbd(run_events_poll+0x34e)
[0x7f1ecc86f19e]
Aug 13 12:42:00 box smbd[29073]:    #24 /usr/sbin/smbd(+0x43e33a)
[0x7f1ecc86f33a]
Aug 13 12:42:00 box smbd[29073]:    #25 /usr/sbin/smbd(_tevent_loop_once+0x90)
[0x7f1ecc86fec0]
Aug 13 12:42:00 box smbd[29073]:    #26 /usr/sbin/smbd(main+0xef6)
[0x7f1ecc53adc6]
Aug 13 12:42:00 box smbd[29073]:    #27
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xfd) [0x7f1ec91eaead]
Aug 13 12:42:00 box smbd[29073]:    #28 /usr/sbin/smbd(+0x10a271)
[0x7f1ecc53b271]
Aug 13 12:42:00 box smbd[29073]: [2011/08/13 12:42:00.504115,  0]
lib/fault.c:372(dump_core)
Aug 13 12:42:00 box smbd[29073]:   dumping core in /var/log/samba/cores/smbd 
Aug 13 12:42:00 box smbd[29073]:


Backtrace:


Core was generated by `/usr/sbin/smbd -D'.
Program terminated with signal 6, Aborted.
#0  0x00007f1ec91fe405 in raise () from /lib/x86_64-linux-gnu/libc.so.6
(gdb) bt full
#0  0x00007f1ec91fe405 in raise () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#1  0x00007f1ec9201680 in abort () from /lib/x86_64-linux-gnu/libc.so.6
No symbol table info available.
#2  0x00007f1ecc85196b in dump_core ()
No symbol table info available.
#3  0x00007f1ecc85fcf1 in smb_panic ()
No symbol table info available.
#4  0x00007f1ecc8512b8 in ?? ()
No symbol table info available.
#5  <signal handler called>
No symbol table info available.
#6  0x00007f1ecc54cc52 in ?? ()
No symbol table info available.
#7  0x00007f1ecc54d437 in dptr_CloseDir ()
No symbol table info available.
#8  0x00007f1ecc59b843 in fd_close ()
No symbol table info available.
#9  0x00007f1ecc5a30e8 in close_file ()
No symbol table info available.
#10 0x00007f1ecc549e7c in file_close_conn ()
No symbol table info available.
#11 0x00007f1ecc5bf26c in close_cnum ()
---Type <return> to continue, or q <return> to quit---
No symbol table info available.
#12 0x00007f1ecc5cf884 in ?? ()
No symbol table info available.
#13 0x00007f1ec9b88905 in _talloc_free ()
    from /usr/lib/x86_64-linux-gnu/libtalloc.so.2
No symbol table info available.
#14 0x00007f1ecc5d0250 in smbd_smb2_request_process_tdis ()
No symbol table info available.
#15 0x00007f1ecc5cba5e in smbd_smb2_request_dispatch ()
No symbol table info available.
#16 0x00007f1ecc5cc7bd in ?? ()
No symbol table info available.
#17 0x00007f1ecc5ca440 in ?? ()
No symbol table info available.
#18 0x00007f1ecc667902 in ?? ()
No symbol table info available.
#19 0x00007f1ecc6673e4 in ?? ()
No symbol table info available.
#20 0x00007f1ecc666344 in ?? ()
No symbol table info available.
#21 0x00007f1ecc870da2 in tevent_common_loop_immediate ()
No symbol table info available.
#22 0x00007f1ecc86ee98 in run_events_poll ()
---Type <return> to continue, or q <return> to quit---
No symbol table info available.
#23 0x00007f1ecc5bc07b in smbd_process ()
No symbol table info available.
#24 0x00007f1eccad11ef in ?? ()
No symbol table info available.
#25 0x00007f1ecc86f19e in run_events_poll ()
No symbol table info available.
#26 0x00007f1ecc86f33a in ?? ()
No symbol table info available.
#27 0x00007f1ecc86fec0 in _tevent_loop_once ()
No symbol table info available.
#28 0x00007f1ecc53adc6 in main ()
No symbol table info available.
(gdb)


Justin.

On Sat, Aug 13, 2011 at 01:18:00PM -0400, Justin Piszcz
wrote:
> Hello,
> 
> Any thoughts on what is causing this?
> 
> Aug 13 12:42:00 box smbd[29073]: [2011/08/13 12:42:00.489676,  0]
> lib/fault.c:47(fault_report) Aug 13 12:42:00 box smbd[29073]:
> =============================================================== Aug
> 13 12:42:00 box smbd[29073]: [2011/08/13 12:42:00.490368,  0]
> lib/fault.c:48(fault_report) Aug 13 12:42:00 box smbd[29073]:
> INTERNAL ERROR: Signal 11 in pid 29073 (3.6.0) Aug 13 12:42:00 box
> smbd[29073]:   Please read the Trouble-Shooting section of the
> Samba3-HOWTO Aug 13 12:42:00 box smbd[29073]: [2011/08/13
> 12:42:00.490448,  0] lib/fault.c:50(fault_report) Aug 13 12:42:00
> box smbd[29073]: Aug 13 12:42:00 box smbd[29073]:   From:
> http://www.samba.org/samba/docs/Samba3-HOWTO.pdf Aug 13 12:42:00 box
> smbd[29073]: [2011/08/13 12:42:00.490516,  0]
> lib/fault.c:51(fault_report) Aug 13 12:42:00 box smbd[29073]:
> =============================================================== Aug
Can you install with debug symbols, and then add the line:

panic action = /bin/sleep 9999999

to the [global] section of your smb.conf. Once it crashes,
this will cause the crashed process to stay around waiting
for the sleep process to finish. Find the crashed process
using ps (it'll be the parent of the "sleep") then attach
to it using gdb - then type "bt" which will give a full
backtrace with symbols - allowing us to track it down
much more easily.

Thanks !

Jeremy.