Yes I can. I will work on this tonight.
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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.
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