I suspect this is caused by libhpmud0 not checking the return value from libusb_init(). All the places in hplip-3.12.2/io/hpmud/musb.c that calls usb_init() should check for return values and bail out if initialization fails.
-- You received this bug notification because you are a member of Desktop Packages, which is subscribed to colord in Ubuntu. https://bugs.launchpad.net/bugs/1016470 Title: colord crashed with SIGSEGV in __opendirat() Status in “colord” package in Ubuntu: Confirmed Status in “colord” source package in Quantal: Confirmed Bug description: Ubuntu Desktop 20120622 Crashed on login on a live session ProblemType: Crash DistroRelease: Ubuntu 12.10 Package: colord 0.1.16-2 ProcVersionSignature: Ubuntu 3.5.0-1.1-generic 3.5.0-rc3 Uname: Linux 3.5.0-1-generic x86_64 ApportVersion: 2.2.5-0ubuntu1 Architecture: amd64 CasperVersion: 1.318 Date: Fri Jun 22 10:27:01 2012 ExecutablePath: /usr/lib/x86_64-linux-gnu/colord/colord LiveMediaBuild: Ubuntu 12.10 "Quantal Quetzal" - Alpha amd64 (20120622) ProcCmdline: /usr/lib/x86_64-linux-gnu/colord/colord ProcEnviron: SegvAnalysis: Segfault happened at: 0x7fb1b9569dc4: cmpb $0x0,(%rsi) PC (0x7fb1b9569dc4) ok source "$0x0" ok destination "(%rsi)" (0x00000000) not located in a known VMA region (needed writable region)! SegvReason: writing NULL VMA Signal: 11 SourcePackage: colord StacktraceTop: ?? () from /lib/x86_64-linux-gnu/libc.so.6 ?? () from /lib/x86_64-linux-gnu/libusb-1.0.so.0 libusb_get_device_list () from /lib/x86_64-linux-gnu/libusb-1.0.so.0 ?? () from /usr/lib/libhpmud.so.0 hpmud_probe_devices () from /usr/lib/libhpmud.so.0 Title: colord crashed with SIGSEGV in libusb_get_device_list() UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/colord/+bug/1016470/+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