Panic or segfault in Samba

[Wm Lewis]

The Samba 'panic action' script, /usr/share/samba/panic-action,
was called for PID 8302 (/usr/sbin/smbd).

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

[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
0x00007f64be387c8e in waitpid () from /lib/x86_64-linux-gnu/libc.so.6
#0 0x00007f64be387c8e in waitpid () from /lib/x86_64-linux-gnu/libc.so.6
#1 0x00007f64be30d29e in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#2 0x00007f64c175ef3c in smb_panic ()
#3 0x00007f64c17501d8 in ?? ()
#4 <signal handler called>
#5 0x00007f64be42b321 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
#6 0x00007f64c1734f4e in rep_strlcpy ()
#7 0x00007f64c176b7b4 in connections_fetch_entry ()
#8 0x00007f64c144d13c in yield_connection ()
#9 0x00007f64c14c2243 in close_cnum ()
#10 0x00007f64c147b35d in reply_tdis ()
#11 0x00007f64c14bd224 in ?? ()
#12 0x00007f64c14bd63b in ?? ()
#13 0x00007f64c14bda53 in ?? ()
#14 0x00007f64c176ebfe in run_events_poll ()
#15 0x00007f64c14bf1c2 in smbd_process ()
#16 0x00007f64c19ccb8f in ?? ()
#17 0x00007f64c176ebfe in run_events_poll ()
#18 0x00007f64c176ed9a in ?? ()
#19 0x00007f64c176f920 in _tevent_loop_once ()
#20 0x00007f64c143d090 in main ()
A debugging session is active.

        Inferior 1 [process 8302] will be detached.

Quit anyway? (y or n) [answered Y; input not from terminal
---
ApportVersion: 2.0.1-0ubuntu17.6
Architecture: amd64
BothFailedConnect: Yes
DistroRelease: Ubuntu 12.04
InstallationMedia: Ubuntu-Server 12.04.3 LTS "Precise Pangolin" - Release amd64 (20130820.2)
MarkForUpload: True
NmbdLog:

Package: samba 2:3.6.3-2ubuntu2.10
PackageArchitecture: amd64
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 3.8.0-38.56~precise1-generic 3.8.13.19
SambaServerRegression: Yes
SmbConfIncluded: Yes
SmbLog: failed to retrieve printer list: NT_STATUS_UNSUCCESSFUL
Tags: precise running-unity
Uname: Linux 3.8.0-38-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

[Serge Hallyn (serge-hallyn)]

Thanks for submitting this bug. Are you able to reproduce this at will (i.e. by connecting from a particular client)?

Is it possible to run

apport-collect 1276414

on the server to post some details about the configuration?

[Wm Lewis (kg6baj)]

I'll go do that here is just a few minutes.

Not sure what the results will be since the report was 2 months ago.

And yes, if I go across the LAN to the Ubuntu server and store and retrieve
files across the LAN, I can repeat the Panic.

Bill

At 04:16 PM 04/02/14, you wrote:
>Thanks for submitting this bug. Are you able to reproduce this at will
>(i.e. by connecting from a particular client)?
>
>Is it possible to run
>
>apport-collect 1276414
>
>on the server to post some details about the configuration?
>
>** Changed in: samba (Ubuntu)
> Importance: Undecided => High
>
>** Changed in: samba (Ubuntu)
> Status: New => Incomplete
>
>--
>You received this bug notification because you are subscribed to the bug
>report.
>https://bugs.launchpad.net/bugs/1276414
>
>Title:
> Panic or segfault in Samba
>
>Status in “samba” package in Ubuntu:
> Incomplete
>
>Bug description:
> The Samba 'panic action' script, /usr/share/samba/panic-action,
> was called for PID 8302 (/usr/sbin/smbd).
>
>
> 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
>
>
> [Thread debugging using libthread_db enabled]
> Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
> 0x00007f64be387c8e in waitpid () from /lib/x86_64-linux-gnu/libc.so.6
> #0 0x00007f64be387c8e in waitpid () from /lib/x86_64-linux-gnu/libc.so.6
> #1 0x00007f64be30d29e in ?? () from /lib/x86_64-linux-gnu/libc.so.6
> #2 0x00007f64c175ef3c in smb_panic ()
> #3 0x00007f64c17501d8 in ?? ()
> #4 <signal handler called>
> #5 0x00007f64be42b321 in ?? () from /lib/x86_64-linux-gnu/libc.so.6
> #6 0x00007f64c1734f4e in rep_strlcpy ()
> #7 0x00007f64c176b7b4 in connections_fetch_entry ()
> #8 0x00007f64c144d13c in yield_connection ()
> #9 0x00007f64c14c2243 in close_cnum ()
> #10 0x00007f64c147b35d in reply_tdis ()
> #11 0x00007f64c14bd224 in ?? ()
> #12 0x00007f64c14bd63b in ?? ()
> #13 0x00007f64c14bda53 in ?? ()
> #14 0x00007f64c176ebfe in run_events_poll ()
> #15 0x00007f64c14bf1c2 in smbd_process ()
> #16 0x00007f64c19ccb8f in ?? ()
> #17 0x00007f64c176ebfe in run_events_poll ()
> #18 0x00007f64c176ed9a in ?? ()
> #19 0x00007f64c176f920 in _tevent_loop_once ()
> #20 0x00007f64c143d090 in main ()
> A debugging session is active.
>
>
> Inferior 1 [process 8302] will be detached.
>
> Quit anyway? (y or n) [answered Y; input not from terminal
>
>To manage notifications about this bug go to:
>https://bugs.launchpad.net/ubuntu/+source/samba/+bug/1276414/+subscriptions

[Wm Lewis (kg6baj)]

apport information

[Wm Lewis (kg6baj)]

apport information

[Wm Lewis (kg6baj)]

apport information

[Launchpad Janitor (janitor)]

[Expired for samba (Ubuntu) because there has been no activity for 60 days.]

[padarjohn (john-meissen)]

Why has there been no progress on this? This is happening to me several timer per day.