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Message #169829
[Bug 1561974] Re: [Lenovo T460s] freeze on battery + lid close
See also
https://bugzilla.kernel.org/show_bug.cgi?id=110941 (in particular comment #104)
and the patch in the ACPI maintainer's tree linked in that comment
https://git.kernel.org/cgit/linux/kernel/git/rafael/linux-pm.git/commit/?h=bleeding-edge&id=42341f87ba1bee4c5be95038c24abb69cbcf361a
I'm trying out the patch vs 4.4.0-16 (on Xenial) and 4.4.0-14 (on
Trusty) on a couple of T460s machines using
apt-get source linux-image-4.4.0-16-generic && cd linux-4.4.0 && patch
-p1 < ../../t460-smm-pstates.patch && dpkg-buildpackage
I'm not sure this is the right approach, but the advice at
https://wiki.ubuntu.com/Kernel/BuildYourOwnKernel didn't work for me (is
it out of date?) I built and installed with the patch OK (i.e. no hang
on lid close) on Trusty using make deb-pkg CONFIG_LOCALVERSION=-blah but
K/BYOK advises against it.
** Bug watch added: Linux Kernel Bug Tracker #110941
http://bugzilla.kernel.org/show_bug.cgi?id=110941
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https://bugs.launchpad.net/bugs/1561974
Title:
[Lenovo T460s] freeze on battery + lid close
Status in linux package in Ubuntu:
Confirmed
Status in linux source package in Xenial:
Confirmed
Bug description:
The laptop freezes when on battery power and the lid is closed.
Relevant bug: https://bugzilla.kernel.org/show_bug.cgi?id=113551
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-4.4.0-15-generic 4.4.0-15.31
ProcVersionSignature: Ubuntu 4.4.0-15.31-generic 4.4.6
Uname: Linux 4.4.0-15-generic x86_64
ApportVersion: 2.20-0ubuntu3
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/pcmC0D0p: luki 1021 F...m pulseaudio
/dev/snd/controlC0: luki 1021 F.... pulseaudio
CurrentDesktop: X-Cinnamon
Date: Fri Mar 25 13:46:30 2016
InstallationDate: Installed on 2016-03-09 (15 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160307)
MachineType: LENOVO 20FAA01200
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-15-generic root=UUID=9137cae3-ceaa-4c5f-a4bd-4e0473140061 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-4.4.0-15-generic N/A
linux-backports-modules-4.4.0-15-generic N/A
linux-firmware 1.157
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 01/15/2016
dmi.bios.vendor: LENOVO
dmi.bios.version: N1CET37W (1.05 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20FAA01200
dmi.board.vendor: LENOVO
dmi.board.version: Not Defined
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias: dmi:bvnLENOVO:bvrN1CET37W(1.05):bd01/15/2016:svnLENOVO:pn20FAA01200:pvrThinkPadT460s:rvnLENOVO:rn20FAA01200:rvrNotDefined:cvnLENOVO:ct10:cvrNone:
dmi.product.name: 20FAA01200
dmi.product.version: ThinkPad T460s
dmi.sys.vendor: LENOVO
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References