[Pkg-nagios-devel] Bug#353825: nagios dies with Segmentation Fault when doing reload (SIGHUP)

Niklas Jakobsson nico at acc.umu.se
Tue Feb 21 08:23:40 UTC 2006

Package: nagios2
Version: 2.0-1
Severity: important

Running '/etc/init.d/nagios2 reload' makes nagios2 daemon die with
segmentation fault.

Backtrace follows:
kes-ng.autonomica.se:~# gdb /usr/sbin/nagios2
GNU gdb 6.4-debian
Copyright 2005 Free Software Foundation, Inc.
GDB is free software, covered by the GNU General Public License, and you
welcome to change it and/or distribute copies of it under certain
Type "show copying" to see the conditions.
There is absolutely no warranty for GDB.  Type "show warranty" for
This GDB was configured as "i486-linux-gnu"...(no debugging symbols
Using host libthread_db library "/lib/tls/libthread_db.so.1".

(gdb) run /etc/nagios2/nagios.cfg
Starting program: /usr/sbin/nagios2 /etc/nagios2/nagios.cfg
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)
[Thread debugging using libthread_db enabled]
[New Thread -1211947328 (LWP 4980)]
(no debugging symbols found)
(no debugging symbols found)
(no debugging symbols found)

Nagios 2.0
Copyright (c) 1999-2006 Ethan Galstad (http://www.nagios.org)
Last Modified: 02-07-2006
License: GPL

(no debugging symbols found)
Nagios 2.0 starting... (PID=4980)
[New Thread -1212023888 (LWP 4983)]
[New Thread -1220412496 (LWP 4984)]

Program received signal SIGHUP, Hangup.
[Switching to Thread -1211947328 (LWP 4980)]
0xb7da4b3c in __nanosleep_nocancel () from /lib/tls/libpthread.so.0
(gdb) continue
(no debugging symbols found)

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -1220412496 (zombie)]
0xb7d6bf99 in __deregister_frame () from /lib/tls/libc.so.6
(gdb) bt
#0  0xb7d6bf99 in __deregister_frame () from /lib/tls/libc.so.6
#1  0xb7d6a749 in dl_iterate_phdr () from /lib/tls/libc.so.6
#2  0xb7d6cdc5 in _Unwind_Find_FDE () from /lib/tls/libc.so.6
#3  0xb6c1a3af in _Unwind_DeleteException () from /lib/libgcc_s.so.1
#4  0xb6c1b462 in _Unwind_Backtrace () from /lib/libgcc_s.so.1
#5  0xb6c1b5ab in _Unwind_ForcedUnwind () from /lib/libgcc_s.so.1
#6  0xb7da5ff2 in _Unwind_ForcedUnwind () from /lib/tls/libpthread.so.0
#7  0xb7da3fb1 in __pthread_unwind () from /lib/tls/libpthread.so.0
#8  0xb7d9e3d6 in sigcancel_handler () from /lib/tls/libpthread.so.0
#9  <signal handler called>
#10 0xb7da4415 in __read_nocancel () from /lib/tls/libpthread.so.0
#11 0x0806f37e in service_result_worker_thread ()
#12 0xb7d9fced in start_thread () from /lib/tls/libpthread.so.0
#13 0xb7d33dde in clone () from /lib/tls/libc.so.6

-- System Information:
Debian Release: testing/unstable
  APT prefers unstable
  APT policy: (500, 'unstable')
Architecture: i386 (i686)
Shell:  /bin/sh linked to /bin/bash
Kernel: Linux
Locale: LANG=C, LC_CTYPE=C (charmap=ANSI_X3.4-1968)

Versions of packages nagios2 depends on:
ii  libc6                         2.3.6-1    GNU C Library: Shared libraries an
ii  libgd2-noxpm                  2.0.33-3   GD Graphics Library version 2 (wit
ii  libjpeg62                     6b-11      The Independent JPEG Group's JPEG 
ii  libperl5.8                    5.8.8-2    Shared Perl library
ii  libpng12-0                    1.2.8rel-5 PNG library - runtime
ii  nagios2-common                2.0-1      support files for nagios2
ii  zlib1g                        1:1.2.3-9  compression library - runtime

nagios2 recommends no packages.

-- no debconf information

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