And also a kern.log with a previous NULL pointer handling exception related to xhci module.
[...] Jul 5 01:26:08 n53sn kernel: [ 217.156927] BUG: unable to handle kernel NULL pointer dereference at 0000000000000040 Jul 5 01:26:08 n53sn kernel: [ 217.157020] IP: [<ffffffff81522b23>] xhci_free_dev+0x63/0x160 Jul 5 01:26:08 n53sn kernel: [ 217.157094] PGD 0 Jul 5 01:26:08 n53sn kernel: [ 217.157119] Oops: 0002 [#1] SMP [...] ** Attachment added: "kern.log" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1198002/+attachment/3725139/+files/kern.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1198002 Title: USB 3.0 host chipset does not work To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1198002/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
