error codes for suspended printers

Oliver Neukum oliver at neukum.name
Thu Oct 5 12:10:37 PDT 2006


Michael Sweet wrote:

> Oliver Neukum wrote:
>> Hi,
>> 
>> I am implementing power management for usb printers in the kernel.
>> Which error code should be returned if CUPS tries to write to a suspended
>> printer?
> 
> ENODEV would work with the current USB backend that uses the printer
> character device - that would trigger the automatic retry after a
> certain amount of time.  The kernel would need to wake the printer
> up, however.

On a related note, how soon will the job be retried?

        Regards
                Oliver





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