[Pkg-cups-devel] Bug#632189: Update

[Orson]

As stated above by Ari the parallel uri is working fine for me with 
latest cups package installed. (1.5.0-5)

I unblacklisted usblp from /etc/modprobe.d and ran sudo modprobe usblp.
I removed my printer from cups using the administration option, then I 
used Add printer, I then chose local printer SCSI and added the URI 
parallel:/dev/usb/lp0 (my printer was lp zero )

Today I ran some updates and cups 1.5.0-5 got pulled in as a dependency 
for, I think, libcups2, anyway I decided to do some more digging to see 
if I could find out more about this bug.

Still does not detect my usb printer with usblp blacklisted, which 
incidently is also an Epson Stylus Photo R300.
But I now see this in dmesg when I turn my printer on:-

[   93.442080] usb 2-1.6.4: new high speed USB device number 6 using 
ehci_hcd
[   93.551263] usb 2-1.6.4: New USB device found, idVendor=04b8, 
idProduct=0803
[   93.551268] usb 2-1.6.4: New USB device strings: Mfr=1, Product=2, 
SerialNumber=3
[   93.551272] usb 2-1.6.4: Product: USB2.0 MFP(Hi-Speed)
[   93.551275] usb 2-1.6.4: Manufacturer: EPSON
[   93.551277] usb 2-1.6.4: SerialNumber: L15P30505260548090
[   93.750200] usbcore: registered new interface driver uas
[   93.762897] Initializing USB Mass Storage driver...
[   93.763073] scsi6 : usb-storage 2-1.6.4:1.0
[   93.763187] usbcore: registered new interface driver usb-storage
[   93.763189] USB Mass Storage support registered.
[   95.279300] scsi 6:0:0:0: Direct-Access     EPSON    Stylus Storage   
1.00 PQ: 0 ANSI: 2
[   95.293607] sd 6:0:0:0: Attached scsi generic sg2 type 0
[   95.298553] sd 6:0:0:0: [sdb] Attached SCSI removable disk


When I search for a printer with cups I then see the following in my dmesg:-

[  221.799018] usb 2-1.6.4: usbfs: interface 0 claimed by usb-storage 
while 'usb' sets config #1
[  221.799141] usb 2-1.6.4: usbfs: process 2671 (usb) did not claim 
interface 0 before use


So I think this bug is related to or a duplicate of bug # 635041 
(635041 at bugs.debian.org)
The problem seems to come from the card reader which is built in to this 
particular printer, and it seems to be allocated the usb interface which 
should be used to communicate with the printer.

But thanks to Ari and his workaround I now have a functioning printer 
and cups all up to date with the latest packages.