a_user, thank you for your comment. Unfortunately, this bug report is not scoped to you, or your problem. So your hardware and problem may be tracked, could you please file a new report with Ubuntu by executing the following in a terminal while booted into the default Ubuntu kernel (not a mainline one) via: ubuntu-bug linux
For more on this, please read the official Ubuntu documentation: Ubuntu Bug Control and Ubuntu Bug Squad: https://wiki.ubuntu.com/Bugs/BestPractices#X.2BAC8-Reporting.Focus_on_One_Issue Ubuntu Kernel Team: https://wiki.ubuntu.com/KernelTeam/KernelTeamBugPolicies#Filing_Kernel_Bug_reports Ubuntu Community: https://help.ubuntu.com/community/ReportingBugs#Bug_reporting_etiquette When opening up the new report, please feel free to subscribe me to it. As well, please do not announce in this report you created a new bug report. Thank you for your understanding. Helpful bug reporting tips: https://wiki.ubuntu.com/ReportingBugs -- 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/1050352 Title: [Gigabyte P55A-UD4] External USB 3.0 hard drive randomly disconnects and connects Status in “linux” package in Ubuntu: Expired Bug description: Ubuntu 12.10 AMD64, kernel 3.5.0-14.16. External hard drive Hitachi Touro Desk 3.0 connected to USB 3.0 port. Gets disconnected randomly and then connected again. Only happens with USB 3.0 connection (xhci). WORKAROUND: When plugged to USB 2.0 (ehci) port it works ok. Attached is related kernel log portion: there is nothing special there except for these lines: 11-2: Parent hub missing LPM exit latency info. Power management will be impacted. usb 11-2: USB disconnect, device number 2 --- AcpiTables: Error: command ['pkexec', '/usr/share/apport/dump_acpi_tables.py'] failed with exit code 127: Error executing /usr/share/apport/dump_acpi_tables.py: Permission denied ApportVersion: 2.5.1-0ubuntu7 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC2: dmitry 3011 F.... pulseaudio /dev/snd/controlC1: dmitry 3011 F.... pulseaudio /dev/snd/controlC0: dmitry 3011 F.... pulseaudio CRDA: Error: command ['iw', 'reg', 'get'] failed with exit code 1: nl80211 not found. DistroRelease: Ubuntu 12.10 EcryptfsInUse: Yes HibernationDevice: RESUME=UUID=e3fa02f8-4f15-4f00-9d79-e982d4837b5c IwConfig: vboxnet0 no wireless extensions. eth0 no wireless extensions. lo no wireless extensions. MachineType: Gigabyte Technology Co., Ltd. P55A-UD4 NonfreeKernelModules: nvidia Package: linux (not installed) ProcFB: 0 VESA VGA ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-14-generic root=UUID=33c3405d-4b3c-4b5c-a1c3-fd2c7bad1c79 ro quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 3.5.0-14.16-generic 3.5.3 RelatedPackageVersions: linux-restricted-modules-3.5.0-14-generic N/A linux-backports-modules-3.5.0-14-generic N/A linux-firmware 1.91 RfKill: Tags: quantal running-unity Uname: Linux 3.5.0-14-generic x86_64 UpgradeStatus: Upgraded to quantal on 2012-09-07 (6 days ago) UserGroups: adm cdrom dialout fuse kvm libvirtd lpadmin plugdev pulse pulse-access sambashare sudo vboxusers wireshark dmi.bios.date: 08/10/2010 dmi.bios.vendor: Award Software International, Inc. dmi.bios.version: F14 dmi.board.name: P55A-UD4 dmi.board.vendor: Gigabyte Technology Co., Ltd. dmi.board.version: x.x dmi.chassis.type: 3 dmi.chassis.vendor: Gigabyte Technology Co., Ltd. dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF14:bd08/10/2010:svnGigabyteTechnologyCo.,Ltd.:pnP55A-UD4:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnP55A-UD4:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr: dmi.product.name: P55A-UD4 dmi.sys.vendor: Gigabyte Technology Co., Ltd. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1050352/+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