Public bug reported:
After resuming from sleep (suspend to ram), all external usb ports are
dead.
The laptop's built in keyboard and synaptic touch pad (I think it is
vonnected via internal usb, but not 100% sure) still work.
Only a complete power down and reboot seem to bring back the devices.
The problem does not happen with the previous kernel 3.13.0-36.
ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: linux-image-3.13.0-37-generic 3.13.0-37.64
ProcVersionSignature: Ubuntu 3.13.0-37.64-generic 3.13.11.7
Uname: Linux 3.13.0-37-generic x86_64
ApportVersion: 2.14.1-0ubuntu3.3
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC2: kaymes 3513 F.... pulseaudio
/dev/snd/controlC1: kaymes 3513 F.... pulseaudio
/dev/snd/controlC0: kaymes 3513 F.... pulseaudio
CurrentDesktop: Unity
Date: Wed Oct 22 16:04:20 2014
InstallationDate: Installed on 2014-07-23 (90 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
MachineType: Dell Inc. Dell Precision M3800
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-37-generic
root=/dev/mapper/root-trusty ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.13.0-37-generic N/A
linux-backports-modules-3.13.0-37-generic N/A
linux-firmware 1.127.7
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/16/2014
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A05
dmi.board.name: Dell Precision M3800
dmi.board.vendor: Dell Inc.
dmi.board.version: A05
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.chassis.version: Not Specified
dmi.modalias:
dmi:bvnDellInc.:bvrA05:bd04/16/2014:svnDellInc.:pnDellPrecisionM3800:pvrA05:rvnDellInc.:rnDellPrecisionM3800:rvrA05:cvnDellInc.:ct8:cvrNotSpecified:
dmi.product.name: Dell Precision M3800
dmi.product.version: A05
dmi.sys.vendor: Dell Inc.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug trusty
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https://bugs.launchpad.net/bugs/1384041
Title:
USB is dead after resume from sleep
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