[cups.general] cups 1.4 will not detect printer

[Till Kamppeter]

See

https://bugs.launchpad.net/bugs/420015

for what needs to be done to make the USB backend work. The AppArmor 
stuff is only needed for Ubuntu.

    Till

Michael Sweet wrote:
> CUPS 1.4 uses, by default, a new libusb-based USB backend. Make sure  
> that the "lp" user has permission to read and write the USB files in / 
> proc.
> 
> On Sep 3, 2009, at 9:56 AM, Matthew wrote:
> 
>> Hello!
>>
>> I upgraded from cups 1.3.11 to 1.4 to find out that my printer would  
>> not print anything. After doing some research it appears that cups  
>> can not find my printer. I get "Processing - "Waiting for printer to  
>> become available..."" in the webgui. I removed all configs in /etc/ 
>> cups/ and reinstalled cups 1.4. When I went to add a printer, it did  
>> not detect the usb printer.
>>
>> Here is my error.log (debug): http://pastebin.com/m37775cb0
>>
>> I am running Arch Linux. I have a Brother HL-2140 using the hpijs- 
>> pcl5e driver.
>>
>> dmesg output:
>>
>> dmesg | grep usblp
>> usblp0: USB Bidirectional printer dev 3 if 0 alt 0 proto 2 vid  
>> 0x04F9 pid 0x0033
>> usbcore: registered new interface driver usblp
>> usblp0: removed
>> usblp0: USB Bidirectional printer dev 4 if 0 alt 0 proto 2 vid  
>> 0x04F9 pid 0x0033
>>
>> If I install cups 1.3.11 everything works fine, I do not even need  
>> to reboot, just restart the cups server.
>>
>> Let me know what other information is needed.
>> _______________________________________________
>> cups mailing list
>> cups at easysw.com
>> http://lists.easysw.com/mailman/listinfo/cups
> 
> ___________________________________________________
> Michael Sweet, Senior Printing System Engineer
> 
> 
> 
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