[Bug 281188] Re: Panic or segfault in Samba

Wed Feb 18 16:55:25 GMT 2009

I've been experiencing the same problem since upgrading from Intrepid to
Jaunty Development. Crash occurs on reboot.

==========

sciri at baka:~$ lsb_release -a
LSB Version:	core-2.0-amd64:core-2.0-noarch:core-3.0-amd64:core-3.0-noarch:core-3.1-amd64:core-3.1-noarch:core-3.2-amd64:core-3.2-noarch:cxx-3.0-amd64:cxx-3.0-noarch:cxx-3.1-amd64:cxx-3.1-noarch:cxx-3.2-amd64:cxx-3.2-noarch:desktop-3.1-amd64:desktop-3.1-noarch:desktop-3.2-amd64:desktop-3.2-noarch:graphics-2.0-amd64:graphics-2.0-noarch:graphics-3.0-amd64:graphics-3.0-noarch:graphics-3.1-amd64:graphics-3.1-noarch:graphics-3.2-amd64:graphics-3.2-noarch:qt4-3.1-amd64:qt4-3.1-noarch
Distributor ID:	Ubuntu
Description:	Ubuntu jaunty (development branch)
Release:	9.04
Codename:	jaunty

==========

sciri at baka:~$ apt-cache policy winbind
winbind:
  Installed: 2:3.3.0-3ubuntu2
  Candidate: 2:3.3.0-3ubuntu2
  Version table:
 *** 2:3.3.0-3ubuntu2 0
        500 http://archive.ubuntu.com jaunty/main Packages
        100 /var/lib/dpkg/status
sciri at baka:~$ apt-cache policy samba
samba:
  Installed: (none)
  Candidate: 2:3.3.0-3ubuntu2
  Version table:
     2:3.3.0-3ubuntu2 0
        500 http://archive.ubuntu.com jaunty/main Packages
sciri at baka:~$ apt-cache policy samba-common
samba-common:
  Installed: 2:3.3.0-3ubuntu2
  Candidate: 2:3.3.0-3ubuntu2
  Version table:
 *** 2:3.3.0-3ubuntu2 0
        500 http://archive.ubuntu.com jaunty/main Packages
        100 /var/lib/dpkg/status

==========

E-mail received:

The Samba 'panic action' script, /usr/share/samba/panic-action,
was called for PID 3743 (/usr/sbin/winbindd).

This means there was a problem with the program, such as a segfault.
Below is a backtrace for this process generated with gdb, which shows
the state of the program at the time the error occurred.  The Samba log
files may contain additional information about the problem.

If the problem persists, you are encouraged to first install the
samba-dbg package, which contains the debugging symbols for the Samba
binaries.  Then submit the provided information as a bug report to
Ubuntu by visiting this link:
https://launchpad.net/ubuntu/+source/samba/+filebug

(no debugging symbols found)
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[Thread debugging using libthread_db enabled]
[New Thread 0x7fc39f245710 (LWP 3743)]
(no debugging symbols found)
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0x00007fc39d1ab8f5 in waitpid () from /lib/libc.so.6
#0  0x00007fc39d1ab8f5 in waitpid () from /lib/libc.so.6
#1  0x00007fc39d1432d1 in ?? () from /lib/libc.so.6
#2  0x00007fc39f37d098 in smb_panic () from /usr/sbin/winbindd
#3  0x00007fc39f36bc8d in ?? () from /usr/sbin/winbindd
#4  <signal handler called>
#5  0x00007fc39d184c60 in strlen () from /lib/libc.so.6
#6  0x00007fc39d14d75e in vfprintf () from /lib/libc.so.6
#7  0x00007fc39d202d80 in __vasprintf_chk () from /lib/libc.so.6
#8  0x00007fc39f364828 in ?? () from /usr/sbin/winbindd
#9  0x00007fc39f5d3283 in tdb_open_ex () from /usr/sbin/winbindd
#10 0x00007fc39f3634e1 in tdb_open_log () from /usr/sbin/winbindd
#11 0x00007fc39f2f8923 in init_wcache () from /usr/sbin/winbindd
#12 0x00007fc39f2fd9f4 in initialize_winbindd_cache () from /usr/sbin/winbindd
#13 0x00007fc39f2fdd94 in winbindd_cache_validate_and_initialize ()
   from /usr/sbin/winbindd
#14 0x00007fc39f2e9bd4 in main () from /usr/sbin/winbindd
The program is running.  Quit anyway (and detach it)? (y or n) [answered Y; input not from terminal]

==========

>From /var/log/samba/log.winbindd:

[2009/02/18 11:33:07,  0] winbindd/winbindd.c:main(1115)
  winbindd version 3.3.0 started.
  Copyright Andrew Tridgell and the Samba Team 1992-2009
[2009/02/18 11:33:08,  0] lib/fault.c:fault_report(40)
  ===============================================================
[2009/02/18 11:33:08,  0] lib/fault.c:fault_report(41)
  INTERNAL ERROR: Signal 11 in pid 3743 (3.3.0)
  Please read the Trouble-Shooting section of the Samba3-HOWTO
[2009/02/18 11:33:08,  0] lib/fault.c:fault_report(43)

  From: http://www.samba.org/samba/docs/Samba3-HOWTO.pdf
[2009/02/18 11:33:08,  0] lib/fault.c:fault_report(44)
  ===============================================================
[2009/02/18 11:33:08,  0] lib/util.c:smb_panic(1673)
  PANIC (pid 3743): internal error
[2009/02/18 11:33:08,  0] lib/util.c:log_stack_trace(1777)
  BACKTRACE: 16 stack frames:
   #0 /usr/sbin/winbindd(log_stack_trace+0x1c) [0x7fc39f37cf1d]
   #1 /usr/sbin/winbindd(smb_panic+0x5b) [0x7fc39f37d02b]
   #2 /usr/sbin/winbindd [0x7fc39f36bc8d]
   #3 /lib/libc.so.6 [0x7fc39d137040]
   #4 /lib/libc.so.6(strlen+0x30) [0x7fc39d184c60]
   #5 /lib/libc.so.6(_IO_vfprintf+0x3dbe) [0x7fc39d14d75e]
   #6 /lib/libc.so.6(__vasprintf_chk+0xd0) [0x7fc39d202d80]
   #7 /usr/sbin/winbindd [0x7fc39f364828]
   #8 /usr/sbin/winbindd(tdb_open_ex+0x1fa) [0x7fc39f5d3283]
   #9 /usr/sbin/winbindd(tdb_open_log+0xa6) [0x7fc39f3634e1]
   #10 /usr/sbin/winbindd(init_wcache+0x83) [0x7fc39f2f8923]
   #11 /usr/sbin/winbindd(initialize_winbindd_cache+0xa) [0x7fc39f2fd9f4]
   #12 /usr/sbin/winbindd(winbindd_cache_validate_and_initialize+0x83) [0x7fc39f2fdd94]
   #13 /usr/sbin/winbindd(main+0x8d5) [0x7fc39f2e9bd4]
   #14 /lib/libc.so.6(__libc_start_main+0xe6) [0x7fc39d1225a6]
   #15 /usr/sbin/winbindd [0x7fc39f2e8029]
[2009/02/18 11:33:08,  0] lib/util.c:smb_panic(1678)
  smb_panic(): calling panic action [/usr/share/samba/panic-action 3743]
[2009/02/18 11:33:11,  0] lib/util.c:smb_panic(1686)
  smb_panic(): action returned status 0
[2009/02/18 11:33:11,  0] lib/fault.c:dump_core(218)
  Can not dump core: corepath not set up

** Changed in: samba (Ubuntu)
       Status: New => Confirmed

-- 
Panic or segfault in Samba
https://bugs.launchpad.net/bugs/281188
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