[wplug-bsd] CUPSD and USB printer "USB Port Busy..."
Brandon Kuczenski
brandon at 301south.net
Tue Sep 27 11:00:20 EDT 2005
On Tue, 27 Sep 2005, Poyner, Brandon wrote:
>> Then I try to poke at stuff. I pause and restart the printer, for
>> example... that returns me to "USB Port Busy; will retry in 30
>> seconds...". Holding and releasing the print job doesn't seem to do
>> anything. Restarting the daemon doesn't do anything.
>
> When you get the USB Port Busy error, what happens if you try an 'echo
> test > /dev/ulpt0' ?
> After your unplug the USB cable and plug it back in, does 'dmesg'
> contain any hints?
It's been 'retrying in 30 seconds' overnight. Here's the status:
bkuczens at cytoplasm bkuczens# lpstat -p -d
printer LeDuc-Main-Printer now printing LeDuc-Main-Printer-24. enabled
since Jan 01 00:00
USB port busy; will retry in 30 seconds...
system default destination: LeDuc-Main-Printer
bkuczens at cytoplasm bkuczens# echo test > /dev/ulpt0
/dev/ulpt0: Device busy.
Upon disconnect and reconnect, dmesg | tail looks like this:
ulpt0: at uhub0 port 2 (addr 2) disconnected
ulpt0: detached
ulpt0: Hewlett-Packard hp color LaserJet 2550 series, rev 2.00/1.00, addr
2, iclass 7/1
ulpt0: using bi-directional mode
-Brandon
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