[cups.general] /usr/libexec/cups/backend/usb failed

Grant emailgrant at gmail.com
Thu Sep 6 00:05:34 PDT 2012


> This sounds like a bug in the USB backend.  I don't know how you would enable core dumps on Gentoo, but that's what you need (plus gdb) to provide the info needed to diagnose this issue.
>
> You could also try the current USB backend from CUPS 1.6.x which is significantly improved from 1.5.x...

Thank you, I'll try 1.6.1.  Should I be OK with a machine on 1.5.2
sending pages to the 1.6.1 machine via lpr?

- Grant


>>>> What version of CUPS?
>>>>
>>>> What operating system/Linux distribution?
>>>
>>> I'm using cups-1.5.2-r4 on Gentoo Linux.  A script prints to the
>>> printer with lpr from a remote server.  The same script prints to
>>> another LP2844 and a Brother laser printer without issue.
>>>
>>> I should have mentioned that I can get it working again by "resuming"
>>> the printer in the web admin.
>>>
>>> - Grant
>>
>> Can anyone point me in the right direction with this?
>>
>> - Grant
>>
>>
>>>>> Every so often, my Zebra LP2844 printer stops working and the status
>>>>> in the web admin is:
>>>>>
>>>>> Paused - "/usr/libexec/cups/backend/usb failed"
>>>>>
>>>>> error_log says only the following:
>>>>>
>>>>> PID 13903 (/usr/libexec/cups/backend/usb) crashed on signal 11.
>>>>> [Job 70345] Stopping unresponsive job!
>>>>>
>>>>> Does anyone know how to prevent this from happening?
>>>>>
>>>>> - Grant





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