[cups.general] /usr/lib/cups/backend/socket failed

[Michael Sweet]

This might be the SNMP supply level bug (STR #3875) that was fixed in CUPS 1.4.8.

On Sep 22, 2011, at 7:13 AM, Ray Stacey wrote:

>> Ray Stacey wrote:
>> 
>>> I have a printer set up in production and yesterday it stopped working and
>>> can't be resumed, error message is /usr/lib/cups/backend/socket failed.
>>> I've tried deleting the printer and adding it back to no avail. I have the
>>> same printer defined on another server, with the same version of CUPS and
>>> it is working fine. Here is a snippet from the log:
>>> 
>>> 
>>> D [22/Sep/2011:07:58:13 +0500] PID 12129 (/usr/lib/cups/filter/pstops) did
>>> not catch or ignore signal 13. E [22/Sep/2011:07:58:13 +0500] PID 12130
>>> (/usr/lib/cups/backend/socket) crashed on signal 8! D
>>> [22/Sep/2011:07:58:13 +0500] PID 12128 (/usr/lib/cups/filter/texttops) did
>>> not catch or ignore signal 13. I [22/Sep/2011:07:58:13 +0500] [Job 1629]
>>> Backend returned status -8 (crashed) D [22/Sep/2011:07:58:13 +0500]
>>> Discarding unused job-state-changed event... I [22/Sep/2011:07:58:13
>>> +0500] [Job 1629] Printer stopped due to backend errors; please consult
>>> the error_log file for details.
>> 
>> Well, on most systems holds:
>> signal 13	SIGPIPE
>> signal 8	FPE
>> 
>> where SIGPIPE means a process writes to a pipe but there is no one on the
>> other end to read from this pipe, and FPE is a floating point exception.
>> 
>> Without knowing anything about your configuration and system and hardware, I
>> suspect you might have run into trouble with your floating point processor
>> (I cannot imagine a condition the socket backend might run into something
>> like exponent overflow or divide by zero or other plausible floating point
>> error conditions).
>> 
>> Helge
>> 
> 
> We're running Solaris 10 x86, CUPS 1.4.7. All the other printers are fine, just this one stopped working. How can I debug this situation?
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__________________________________________________
Michael Sweet, Senior Printing System Engineer, PWG Chair