Marcin Janowski, thank you for reporting this and helping make Ubuntu better. When you personally tested reverting the commit mentioned, what effect did it have?
** Tags added: latest-bios-1.12 ** Changed in: linux (Ubuntu) Importance: Undecided => Medium ** Changed in: linux (Ubuntu) Status: Confirmed => 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/1374922 Title: Problem in xHCI Host Controller, usb3 Status in “linux” package in Ubuntu: Incomplete Bug description: When i connect any device to usb3 port in dmesg i have: [ 2.860792] xhci_hcd 0000:05:00.0: xHCI Host Controller [ 2.860797] xhci_hcd 0000:05:00.0: new USB bus registered, assigned bus number 3 [ 2.861029] xhci_hcd 0000:05:00.0: irq 41 for MSI/MSI-X [ 2.861035] xhci_hcd 0000:05:00.0: irq 42 for MSI/MSI-X [ 2.861041] xhci_hcd 0000:05:00.0: irq 43 for MSI/MSI-X [ 2.861046] xhci_hcd 0000:05:00.0: irq 44 for MSI/MSI-X [ 2.861051] xhci_hcd 0000:05:00.0: irq 45 for MSI/MSI-X [ 2.861203] usb usb3: Manufacturer: Linux 3.13.0-24-generic xhci_hcd [ 2.861370] xhci_hcd 0000:05:00.0: xHCI Host Controller [ 2.861373] xhci_hcd 0000:05:00.0: new USB bus registered, assigned bus number 4 [ 2.864438] usb usb4: Manufacturer: Linux 3.13.0-24-generic xhci_hcd [14313.782879] usb 3-1: new high-speed USB device number 2 using xhci_hcd [14446.166980] usb 3-1: new high-speed USB device number 3 using xhci_hcd [41482.213335] usb 3-1: new high-speed USB device number 4 using xhci_hcd [48164.448973] usb 3-1: new high-speed USB device number 5 using xhci_hcd [48255.410114] usb 3-1: new full-speed USB device number 6 using xhci_hcd [48260.611548] xhci_hcd 0000:05:00.0: Timeout while waiting for address device command [48283.799187] xhci_hcd 0000:05:00.0: Stopped the command ring failed, maybe the host is dead [48283.873175] xhci_hcd 0000:05:00.0: Host not halted after 16000 microseconds. [48283.873178] xhci_hcd 0000:05:00.0: Abort command ring failed [48283.874290] xhci_hcd 0000:05:00.0: HC died; cleaning up [48289.072908] xhci_hcd 0000:05:00.0: Timeout while waiting for a slot [48289.072922] xhci_hcd 0000:05:00.0: Abort the command ring, but the xHCI is dead. [48294.070375] xhci_hcd 0000:05:00.0: Timeout while waiting for a slot [48294.070388] xhci_hcd 0000:05:00.0: Abort the command ring, but the xHCI is dead. [48299.067776] xhci_hcd 0000:05:00.0: Timeout while waiting for a slot [48299.067790] xhci_hcd 0000:05:00.0: Abort the command ring, but the xHCI is dead. I found this about this bug: "This may be a known regression. Please try reverting these commits: 7dd09a1af2c7 xhci: replace xhci_write_64() with writeq() e8b373326d8e xhci: replace xhci_read_64() with readq() The reverts will be sent to the USB subsystem maintainer's tree today, and will land in 3.14-rc2." from: http://permalink.gmane.org/gmane.linux.usb.general/102627 ProblemType: Bug DistroRelease: Ubuntu 14.04 Package: linux-image-3.13.0-24-generic 3.13.0-24.47 ProcVersionSignature: Ubuntu 3.13.0-24.47-generic 3.13.9 Uname: Linux 3.13.0-24-generic x86_64 ApportVersion: 2.14.1-0ubuntu3.4 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: wmp 5654 F.... pulseaudio wmp 10950 F.... pulseaudio CurrentDesktop: KDE Date: Sun Sep 28 10:26:01 2014 HibernationDevice: RESUME=UUID=30c5dceb-9e4b-4fed-aede-2d8abfbcd8aa InstallationDate: Installed on 2013-03-14 (562 days ago) InstallationMedia: Kubuntu 12.10 "Quantal Quetzal" - Beta amd64 (20121006) MachineType: Acer Aspire 3830TG ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-24-generic root=UUID=adaa4e7b-97d1-49fe-be92-1b9755930eb6 ro quiet splash acpi_backlight=vendor vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.13.0-24-generic N/A linux-backports-modules-3.13.0-24-generic N/A linux-firmware 1.127.6 SourcePackage: linux UpgradeStatus: Upgraded to trusty on 2014-04-22 (158 days ago) dmi.bios.date: 08/14/2012 dmi.bios.vendor: Acer dmi.bios.version: V1.12 dmi.board.asset.tag: Base Board Asset Tag dmi.board.name: JM30_HR dmi.board.vendor: Acer dmi.board.version: Base Board Version dmi.chassis.type: 10 dmi.chassis.vendor: Acer dmi.chassis.version: V1.12 dmi.modalias: dmi:bvnAcer:bvrV1.12:bd08/14/2012:svnAcer:pnAspire3830TG:pvrV1.12:rvnAcer:rnJM30_HR:rvrBaseBoardVersion:cvnAcer:ct10:cvrV1.12: dmi.product.name: Aspire 3830TG dmi.product.version: V1.12 dmi.sys.vendor: Acer To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1374922/+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