Public bug reported:
I'm using a Lenovo ThinkPad T450s. When the system was docked and then
undocked, suspend won't work. Instead, the screen goes black, the system
freezes and the fan runs on high speed.
This problem persists with the (as of today) most recent kernel
4.4.0-31-generic #50.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-31-generic 4.4.0-31.50
ProcVersionSignature: Ubuntu 4.4.0-31.50-generic 4.4.13
Uname: Linux 4.4.0-31-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: buerger 3534 F.... pulseaudio
/dev/snd/pcmC1D0p: buerger 3534 F...m pulseaudio
/dev/snd/controlC1: buerger 3534 F.... pulseaudio
CurrentDesktop: Unity
Date: Tue Jul 19 11:13:41 2016
HibernationDevice: RESUME=UUID=21eeaf61-c437-45dc-80e3-e581eb6f795c
InstallationDate: Installed on 2015-09-15 (307 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
MachineType: LENOVO 20BX000XGE
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-31-generic
root=UUID=93fc15f9-4090-40ff-a3ac-a642833f1da2 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.4.0-31-generic N/A
linux-backports-modules-4.4.0-31-generic N/A
linux-firmware 1.157.2
SourcePackage: linux
UpgradeStatus: Upgraded to xenial on 2016-04-22 (87 days ago)
dmi.bios.date: 03/23/2016
dmi.bios.vendor: LENOVO
dmi.bios.version: JBET57WW (1.22 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20BX000XGE
dmi.board.vendor: LENOVO
dmi.board.version: SDK0E50510 WIN
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias:
dmi:bvnLENOVO:bvrJBET57WW(1.22):bd03/23/2016:svnLENOVO:pn20BX000XGE:pvrThinkPadT450s:rvnLENOVO:rn20BX000XGE:rvrSDK0E50510WIN:cvnLENOVO:ct10:cvrNone:
dmi.product.name: 20BX000XGE
dmi.product.version: ThinkPad T450s
dmi.sys.vendor: LENOVO
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug xenial
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https://bugs.launchpad.net/bugs/1604313
Title:
Ubuntu 16.04: system freezes instead of suspend after undocking
Status in linux package in Ubuntu:
New
Bug description:
I'm using a Lenovo ThinkPad T450s. When the system was docked and then
undocked, suspend won't work. Instead, the screen goes black, the system
freezes and the fan runs on high speed.
This problem persists with the (as of today) most recent kernel
4.4.0-31-generic #50.
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-31-generic 4.4.0-31.50
ProcVersionSignature: Ubuntu 4.4.0-31.50-generic 4.4.13
Uname: Linux 4.4.0-31-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: buerger 3534 F.... pulseaudio
/dev/snd/pcmC1D0p: buerger 3534 F...m pulseaudio
/dev/snd/controlC1: buerger 3534 F.... pulseaudio
CurrentDesktop: Unity
Date: Tue Jul 19 11:13:41 2016
HibernationDevice: RESUME=UUID=21eeaf61-c437-45dc-80e3-e581eb6f795c
InstallationDate: Installed on 2015-09-15 (307 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
MachineType: LENOVO 20BX000XGE
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-31-generic
root=UUID=93fc15f9-4090-40ff-a3ac-a642833f1da2 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.4.0-31-generic N/A
linux-backports-modules-4.4.0-31-generic N/A
linux-firmware 1.157.2
SourcePackage: linux
UpgradeStatus: Upgraded to xenial on 2016-04-22 (87 days ago)
dmi.bios.date: 03/23/2016
dmi.bios.vendor: LENOVO
dmi.bios.version: JBET57WW (1.22 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20BX000XGE
dmi.board.vendor: LENOVO
dmi.board.version: SDK0E50510 WIN
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias:
dmi:bvnLENOVO:bvrJBET57WW(1.22):bd03/23/2016:svnLENOVO:pn20BX000XGE:pvrThinkPadT450s:rvnLENOVO:rn20BX000XGE:rvrSDK0E50510WIN:cvnLENOVO:ct10:cvrNone:
dmi.product.name: 20BX000XGE
dmi.product.version: ThinkPad T450s
dmi.sys.vendor: LENOVO
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