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Message #49924
[Bug 1291640] Re: default usb power saving too agressive
for the records the problem with the keyboard was solved by connecting a
usb2.0 hub between my usb3.0 hub and the usb1.1 devices. everything
still working good with 3.14-rc6. (except suspend/resume but that seems
to be an Xorg driver problem)
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https://bugs.launchpad.net/bugs/1291640
Title:
default usb power saving too agressive
Status in “linux” package in Ubuntu:
Incomplete
Bug description:
turns off my keyboard, mouse, wifi adapters and even MOUNTED usb
storage devices
echo on to all /sys/bus/usb/devices/usb*/power/control doesn't bring
the devices back to life
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-17-generic 3.13.0-17.37
ProcVersionSignature: Ubuntu 3.13.0-17.37-generic 3.13.6
Uname: Linux 3.13.0-17-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.13.3-0ubuntu1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC1: amery 2155 F.... pulseaudio
/dev/snd/controlC0: amery 2155 F.... pulseaudio
CurrentDesktop: XFCE
Date: Wed Mar 12 23:01:51 2014
HibernationDevice: RESUME=UUID=ac97044e-3cc1-46e9-96c9-75aac75f38e5
InstallationDate: Installed on 2014-02-14 (26 days ago)
InstallationMedia: Xubuntu 13.10 "Saucy Salamander" - Release amd64 (20131016)
MachineType: LENOVO 20BCCTO1WW
ProcFB: 0 radeondrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-17-generic.efi.signed root=UUID=e6df39f6-2506-4339-b0b5-89936ea3fe63 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.13.0-17-generic N/A
linux-backports-modules-3.13.0-17-generic N/A
linux-firmware 1.126
SourcePackage: linux
UpgradeStatus: Upgraded to trusty on 2014-02-14 (26 days ago)
dmi.bios.date: 11/20/2013
dmi.bios.vendor: LENOVO
dmi.bios.version: HSET56WW (2.01 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20BCCTO1WW
dmi.board.vendor: LENOVO
dmi.board.version: Win8 Pro DPK TPG
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias: dmi:bvnLENOVO:bvrHSET56WW(2.01):bd11/20/2013:svnLENOVO:pn20BCCTO1WW:pvrThinkPadEdgeE145:rvnLENOVO:rn20BCCTO1WW:rvrWin8ProDPKTPG:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 20BCCTO1WW
dmi.product.version: ThinkPad Edge E145
dmi.sys.vendor: LENOVO
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References