What is the output of lsusb
on your machine? Do you get any output? Does it crash? Please post the output here. Can you reproduce the crash? Probably most easily you can reproduce it running sudo /usr/lib/cups/backend/usb If a crash report pops up, follow the steps until a new bug report gets generated. Please post a link to the new bug here. ** Changed in: cups (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to cups in Ubuntu. https://bugs.launchpad.net/bugs/1108719 Title: usb crashed with SIGSEGV in opendir() -- USB ports are in BIOS disabled --> cupsd crashes every time Status in “cups” package in Ubuntu: Incomplete Bug description: On 4 machines is USB for safety disabled, an HP DeskJet 500 is attached to one machine via LTP (IEEE 1284) and the other machines use the network share... - all working well. But every time i open up CUPS for configuration or something the process /usr/sbin/cupsd crashes and an crash report is generated (attached). . Xubuntu 12.04.1 Linux icafe-a 3.2.0-36-generic #57-Ubuntu SMP Tue Jan 8 21:41:24 UTC 2013 i686 i686 i386 GNU/Linux CUPS Versions: 1.5.3-0ubuntu6 (/var/lib/apt/lists/de.archive.ubuntu.com_ubuntu_dists_precise-updates_main_binary-i386_Packages) (/var/lib/dpkg/status) BTW: I was also not able to send the bug via apport, this crashes with "package not installed". To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1108719/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp