[Nut-upsuser] upsd crashes with a "broken pipe" error

[Zach La Celle]

On 01/04/2011 08:20 AM, Arnaud Quette wrote:
>
> 2011/1/4 Charles Lepple <clepple at gmail.com <mailto:clepple at gmail.com>>
>
>     On Mon, Jan 3, 2011 at 8:29 AM, Zach La Celle
>     <lacelle at roboticresearch.com <mailto:lacelle at roboticresearch.com>>
>     wrote:
>     > On 12/29/2010 10:00 AM, Zach La Celle wrote:
>     >>
>     >> On 12/29/2010 08:34 AM, Charles Lepple wrote:
>     >>>
>     >>> On Dec 27, 2010, at 9:36 AM, Zach La Celle wrote:
>     >>>
>     >>>> I ran this in debug mode and captures the backtrace.
>     >>>>
>     >>>> root@*********:/etc/nut# upsd -D
>     >>>> Network UPS Tools upsd 2.4.3
>     >>>>  0.000000     listening on 0.0.0.0 port 3493
>     >>>>  0.000354     Connected to UPS [rack1ups]: apcsmart-rack1ups
>     >>>>  2.550554     User upsmon at 127.0.0.1 <mailto:upsmon at 127.0.0.1>
>     logged into UPS [rack1ups]
>     >>>> *** glibc detected *** upsd: free(): invalid next size (fast):
>     >>>> 0x00000000012c9870 ***
>     >>>
>     >>> Can you give us some background information about this system?
>     What OS
>     >>> and version, who built the package, etc.
>
>     Just to be sure, are you running the Ubuntu-provided package, or
>     something from another package repository? Which version of Ubuntu?
>
>     Running valgrind might produce similarly opaque results without debug
>     symbols (which you can enable if you build from source).
>
>
> debug syms are available as separate debs.
> As an example, for Ubuntu, look here:
> https://wiki.kubuntu.org/DebuggingProgramCrash
>
> then look for installing {nut,libupsclient}-dbgsym and others if 
> needed otherwise...
>
>     That is a bit
>     more involved, though (especially if you want to keep the installed
>     files in the same place) so I'd try that after Arjen's suggestion with
>     "-DDD".
>
>
> seconded for a first run.
>
> cheers,
> Arnaud
> -- 
> Linux / Unix Expert R&D - Eaton - http://powerquality.eaton.com
> Network UPS Tools (NUT) Project Leader - http://www.networkupstools.org/
> Debian Developer - http://www.debian.org
> Free Software Developer - http://arnaud.quette.free.fr/
>
The only extra package I could find is the "dev" package.  I'm not sure 
if that contains debugging symbols.

I'm running with the "-DDD" option now.  It hasn't crashed over the 
weekend, so we'll see how long it takes to crash now.  I'm getting 
source to try and rebuild it so that I can walk through in GDB if necessary.

Thanks.
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