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Message #169978
[Bug 1561974] Re: [Lenovo T460s] freeze on battery + lid close
Thanks, Lukas. The patch has evolved a bit, so it could be the v4 patch
as (I think) linked above, or the one I linked to. I'm not keen on
installing a third party kernel. I will have a lot of systems to deploy
this to and will need to track future updates to Ubuntu's 4.4.0-xx, so
it's not just a case of getting it working. I'd also like to use secure
boot, which AIUI would rule out rolling my own kernels in practical
terms. Ideally I'd like 42341f87ba1bee4c5be95038c24abb69cbcf361a or
newer added as a "SAUCE" patch (if it's not added upstream-- I also need
to figure out how it gets from the ACPI branch to stable, and whether
that's 4.4.x or 4.5.x; https://www.kernel.org/ seems to contradict
itself about which is "stable") into 4.4.0-17+ I'll keep and eye on
https://git.launchpad.net/~ubuntu-
kernel/ubuntu/+source/linux/+git/xenial/log/?h=master-next and try to
figure out how to ask for that.
--
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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