Bug#358178: [Pkg-nagios-devel] Bug#358178: x86_64: avoid `Size... > POSIX-guaranteed...' warning

[sean finney]

tags 358178 upstream
thanks

hi jim,

thanks for the report, i noticed this too but hadn't had the time to
look too closely into it.  i'll try my luck at forwarding it to
the list and see what ethan thinks.


	sean


On Tue, Mar 21, 2006 at 03:49:43PM +0100, Jim Meyering wrote:
> Package: nagios2
> Version: 2.0-1
> Severity: normal
> Tags: patch
> 
> Using debian unstable's nagios2 on a 64-bit system, I get this at start-up:
> 
>   [1142950705] LOG VERSION: 2.0
>   [1142950705] Warning: Size of service_message struct (528 bytes) is > POSIX-guaranteed atomic write size (512 bytes).  Service checks results may get lost or mangled!
>   [1142950705] Finished daemonizing... (New PID=18989)
> 
> Here's a patch that solves the problem for upstream's
> nagios-2-x-bugfixes branch:
> 
> 	* include/objects.h [MAX_PLUGINOUTPUT_LENGTH]: Decrease length
>         by 16, so that `sizeof service_message' is no larger than 512,
>         even on x86_64 systems.
> 
> Index: include/objects.h
> ===================================================================
> RCS file: /cvsroot/nagios/nagios/include/objects.h,v
> retrieving revision 1.10
> diff -u -p -r1.10 objects.h
> --- include/objects.h	27 Dec 2005 18:55:10 -0000	1.10
> +++ include/objects.h	21 Mar 2006 14:33:11 -0000
> @@ -45,7 +45,7 @@
>  
>  #define MAX_HOSTNAME_LENGTH            		64	/* max. host name length */
>  #define MAX_SERVICEDESC_LENGTH			64	/* max. service description length */
> -#define MAX_PLUGINOUTPUT_LENGTH			348	/* max. length of plugin output */
> +#define MAX_PLUGINOUTPUT_LENGTH			332	/* max. length of plugin output */
>  
>  #define MAX_STATE_HISTORY_ENTRIES		21	/* max number of old states to keep track of for flap detection */
>  
> 
> FYI, I tried to report it upstream, but was unable to
> subscribe to the list:
>   http://lists.sourceforge.net/lists/listinfo/nagios-devel
>   [502 - List services temporarily unavailable]
> 
> -- System Information:
> Debian Release: testing/unstable
>   APT prefers unstable
>   APT policy: (500, 'unstable'), (500, 'stable')
> Architecture: amd64 (x86_64)
> Shell:  /bin/sh linked to /bin/bash
> Kernel: Linux 2.6.15-1-amd64-k8
> Locale: LANG=C, LC_CTYPE=C (charmap=ANSI_X3.4-1968)
> 
> Versions of packages nagios2 depends on:
> ii  libc6                         2.3.6-4    GNU C Library: Shared libraries an
> ii  libgd2-xpm                    2.0.33-3   GD Graphics Library version 2
> ii  libjpeg62                     6b-12      The Independent JPEG Group's JPEG 
> ii  libperl5.8                    5.8.8-3    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                        1:1.2.3-11 compression library - runtime
> 
> nagios2 recommends no packages.
> 
> -- no debconf information
> 
> 
> _______________________________________________
> Pkg-nagios-devel mailing list
> Pkg-nagios-devel at lists.alioth.debian.org
> http://lists.alioth.debian.org/mailman/listinfo/pkg-nagios-devel
> 

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