I have been running kernel 4.8.7 64bit (from http://kernel.ubuntu.com/%7Ekernel-ppa/mainline/v4.8.7/) for a few days now. Appears to work OK with my hardware and fixes the USB problem. : AMD A10-7700K Radeon R7, 10 Compute Cores 4C+6G and NVIDIA Geforce GTX 750/PCIe/SSE2 with 367.57 driver.
-- 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/1630063 Title: specific USB devices disconnect and don't reconnect Status in linux package in Ubuntu: In Progress Status in linux source package in Yakkety: In Progress Bug description: 2 USB ports randomly disconnect and don't reconnect (it's always the same two), and in dmesg all I get is " [ 1276.916458] ohci-pci 0000:00:12.0: HcDoneHead not written back; disabled [ 1276.916467] ohci-pci 0000:00:12.0: HC died; cleaning up [ 1276.916553] usb 3-1: USB disconnect, device number 2 [ 1277.017302] usb 3-2: USB disconnect, device number 3 " This only started happening when Yakkety went to the 4.8 branch, with 4.7 branch this doesn't occur, hence the bug report since it's unlikely that a hardware failure will only stick to one OS and one branch of the kernel for that OS. (these USB ports don't randomly die on Windows or BSD, I've tested that in the past couple of days) kernel version: 4.8.0.17.27 Ubuntu version Description: Ubuntu Yakkety Yak (development branch) Release: 16.10 --- ApportVersion: 2.20.3-0ubuntu7 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: c_smith 2213 F.... pulseaudio /dev/snd/controlC0: c_smith 2213 F.... pulseaudio CurrentDesktop: MATE DistroRelease: Ubuntu 16.10 HibernationDevice: RESUME=UUID=1a29baaa-55ea-4817-ba45-8c618f65ec4b InstallationDate: Installed on 2016-10-03 (0 days ago) InstallationMedia: Ubuntu-MATE 16.10 "Yakkety Yak" - Alpha amd64 (20161002) MachineType: Gigabyte Technology Co., Ltd. GA-78LMT-S2 NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia Package: linux (not installed) ProcFB: 0 VESA VGA ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.8.0-17-generic root=/dev/mapper/Linux-root ro nomodeset quiet splash vt.handoff=7 ProcVersionSignature: Ubuntu 4.8.0-17.19-generic 4.8.0-rc7 RelatedPackageVersions: linux-restricted-modules-4.8.0-17-generic N/A linux-backports-modules-4.8.0-17-generic N/A linux-firmware 1.161 RfKill: 0: phy0: Wireless LAN Soft blocked: no Hard blocked: no Tags: yakkety Uname: Linux 4.8.0-17-generic x86_64 UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo _MarkForUpload: True dmi.bios.date: 01/09/2014 dmi.bios.vendor: Award Software International, Inc. dmi.bios.version: F6 dmi.board.name: GA-78LMT-S2 dmi.board.vendor: Gigabyte Technology Co., Ltd. dmi.chassis.type: 3 dmi.chassis.vendor: Gigabyte Technology Co., Ltd. dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF6:bd01/09/2014:svnGigabyteTechnologyCo.,Ltd.:pnGA-78LMT-S2:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnGA-78LMT-S2:rvr:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr: dmi.product.name: GA-78LMT-S2 dmi.sys.vendor: Gigabyte Technology Co., Ltd. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1630063/+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
