problem is that sometimes it works and sometimes it doesn't ... so installing a new kernel and usb works fine that isn't a solution is it. But today usb stopped working and I found this in kern.log
Sep 12 11:52:55 lesruimte kernel: [ 22.266768] xhci_hcd 0000:00:14.0: HC died; cleaning up attached is the kern.log ** Attachment added: "kernel.log of today's unsuccessful and successful boot" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1351282/+attachment/4202134/+files/kernel.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1351282 Title: Sometimes USB does not work. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1351282/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs