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Message #168905
[Bug 1552906] Re: System freezes after closing lid on Thinkpad X260
** Tags added: cherry-pick kernel-fixed-upstream
** Changed in: linux (Ubuntu)
Status: Incomplete => Triaged
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https://bugs.launchpad.net/bugs/1552906
Title:
System freezes after closing lid on Thinkpad X260
Status in Linux:
Unknown
Status in linux package in Ubuntu:
Triaged
Bug description:
My current Ubuntu version is 14.04.4 but I also tried 15.10.
Regardless of the Ubuntu version there is a serious problem with my new Thinkpad X260 when it is in battery mode and I close and reopen the lid. The problem is not affecting the suspend mode as it still occurs when this mode is disabled.
what I expect to happen: After closing the lid the screen goes off.
When I open the lid again, screen goes on and I can use the laptop.
what happens every time: When I close the lid the screen turns black.
When I open the lid again the screen displays the system but it is
frozen and does not react on input.
Interestingly I can not reproduce this problem when the laptop is connected to an AC power source.
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ApportVersion: 2.14.1-0ubuntu3.19
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: simon 1437 F.... pulseaudio
CurrentDesktop: Unity
DistroRelease: Ubuntu 14.04
HibernationDevice: RESUME=UUID=76bcd0ad-fc42-4d1a-8089-0f10d23df682
InstallationDate: Installed on 2016-03-03 (0 days ago)
InstallationMedia: Ubuntu 14.04.4 LTS "Trusty Tahr" - Release amd64 (20160217.1)
Lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 138a:0017 Validity Sensors, Inc.
Bus 001 Device 003: ID 04ca:7058 Lite-On Technology Corp.
Bus 001 Device 005: ID 8087:0a2b Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: LENOVO 20F5S0EU00
Package: linux (not installed)
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.2.0-27-generic.efi.signed root=UUID=fa7f6b64-3d57-43ce-a52b-5323c46dd0ca ro quiet splash vt.handoff=7
ProcVersionSignature: Ubuntu 4.2.0-27.32~14.04.1-generic 4.2.8-ckt1
RelatedPackageVersions:
linux-restricted-modules-4.2.0-27-generic N/A
linux-backports-modules-4.2.0-27-generic N/A
linux-firmware 1.127.20
Tags: trusty
Uname: Linux 4.2.0-27-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
_MarkForUpload: True
dmi.bios.date: 01/25/2016
dmi.bios.vendor: LENOVO
dmi.bios.version: R02ET44W (1.17 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20F5S0EU00
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:bvrR02ET44W(1.17):bd01/25/2016:svnLENOVO:pn20F5S0EU00:pvrThinkPadX260:rvnLENOVO:rn20F5S0EU00:rvrNotDefined:cvnLENOVO:ct10:cvrNone:
dmi.product.name: 20F5S0EU00
dmi.product.version: ThinkPad X260
dmi.sys.vendor: LENOVO
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