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

Zach La Celle lacelle at roboticresearch.com
Wed Feb 16 16:40:40 UTC 2011

On 02/16/2011 10:16 AM, Arjen de Korte wrote:
> Citeren Zach La Celle <lacelle at roboticresearch.com>:
>> On the Dell server, the MpMemory testing all passed.  It doesn't seem 
>> to be a physical problem with the memory on the machine.  I also ran 
>> some other basic diagnostics on the disk drives, cache, and the rest 
>> of the system, and it all passed as well.
>> Any further ideas?
> As a last resort, running the upsd server in 'valgrind' could be 
> useful, but only if the error occurs shortly after startup. You'll 
> have to run it with -D though, to prevent it from backgrounding.
> What remains weird is that you seem to be the only one that has this 
> problem. I've run upsd in valgrind for days on end and have not seen 
> any memory problems after that.
> Best regards, Arjen
Unfortunately, errors usually take days to occur.  They also don't occur 
on a regular interval.  I'm wondering if the serial port to the APC is 
giving weird values...although I'm not sure why that would cause a 
malloc error.


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