Seems like smth with usb driver, because the mouse is hanging completely, cursor disappearing and right before the kernel Oops in syslog there are 4 lines like:
kernel: [ 36.631326] usb 2-1.4: 3:1: cannot get freq at ep 0x82 ep 0x82 is present in all 4 lines. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1503647 Title: System hangs with kernel 3.19.0-31 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1503647/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
