This bug is missing log files that will aid in diagnosing the problem. >From a terminal window please run:
apport-collect 1320941 and then change the status of the bug to 'Confirmed'. If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'. This change has been made by an automated script, maintained by the Ubuntu Kernel Team. ** Changed in: linux (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1320941 Title: xhci_hcd not loaded Status in “linux” package in Ubuntu: Incomplete Bug description: Today I just tried to copy 4 GB data onto a usb 3.0 stick. However it took like forevery and my system load spiked to 6.0. I inquired a bit and noticed, that xhci_hcd wasn't loaded at all: root@subi:~# lsmod | grep xhci root@subi:~# modprobe xhci_hcd root@subi:~# lsmod | grep xhci The weird thing is, that in dmesg xhci seems to be loaded: root@subi:~# dmesg | grep xhci [ 4.534477] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 4.534484] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 2 [ 4.534571] xhci_hcd 0000:00:14.0: cache line size of 64 is not supported [ 4.534594] xhci_hcd 0000:00:14.0: irq 60 for MSI/MSI-X [ 4.534671] usb usb2: Manufacturer: Linux 3.15.0-031500rc2-generic xhci_hcd [ 4.535678] xhci_hcd 0000:00:14.0: xHCI Host Controller [ 4.535684] xhci_hcd 0000:00:14.0: new USB bus registered, assigned bus number 3 [ 4.535737] usb usb3: Manufacturer: Linux 3.15.0-031500rc2-generic xhci_hcd [ 5.149389] usb 2-2: new high-speed USB device number 2 using xhci_hcd [ 5.629433] usb 3-3: new SuperSpeed USB device number 2 using xhci_hcd [ 5.717072] usb 2-2.1: new high-speed USB device number 4 using xhci_hcd [ 5.877002] usb 2-2.2: new high-speed USB device number 5 using xhci_hcd [ 6.252828] usb 2-2.2.4: new high-speed USB device number 6 using xhci_hcd [ 6.644502] usb 2-2.2.4.2: new high-speed USB device number 7 using xhci_hcd [ 14.160712] usb 2-2.2.4.2.3: new full-speed USB device number 8 using xhci_hcd [ 14.408571] usb 2-2.2.4.2.4: new full-speed USB device number 9 using xhci_hcd ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: ubuntu-release-upgrader-core 1:0.220.2 Uname: Linux 3.15.0-031500rc2-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.1 Architecture: amd64 CrashDB: ubuntu CurrentDesktop: KDE Date: Mon May 19 18:28:07 2014 PackageArchitecture: all ProcEnviron: LANGUAGE=en_US:en PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: ubuntu-release-upgrader Symptom: ubuntu-release-upgrader UpgradeStatus: No upgrade log present (probably fresh install) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1320941/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp