Public bug reported:
After migrating to 15.04, the computer will go to sleep after a few
seconds.
Investigations seems to link this behaviour with an incorrect LID signal
processed by systemd.
Changing the systemd-logind service configuration to ignore the
"HandleLidSwitch" event works around this issue.
Happy to investigate this further with appropriate steps to perform :)
Steps to repro:
1. Log in to session
2. Wait around 10 seconds
Actual:
The computer goes to sleep mode
Expected:
The computer remains on
Attached journald export of a repro. Please note the systemd-logind
request for suspending.
ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: systemd 219-7ubuntu6
ProcVersionSignature: Ubuntu 3.16.0-43.58-generic 3.16.7-ckt13
Uname: Linux 3.16.0-43-generic x86_64
ApportVersion: 2.17.2-0ubuntu1.1
Architecture: amd64
CurrentDesktop: Unity
Date: Sun Jul 12 12:08:07 2015
InstallationDate: Installed on 2015-05-03 (70 days ago)
InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
MachineType: LENGDA Montevina platform
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.16.0-43-generic
root=/dev/mapper/ubuntu--vg-root ro quiet splash vt.handoff=7
SourcePackage: systemd
UpgradeStatus: Upgraded to vivid on 2015-07-12 (0 days ago)
dmi.bios.date: 07/08/2011
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 4.6.3
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: Montevina platform
dmi.board.vendor: LENGDA
dmi.board.version: To be filled by O.E.M.
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 10
dmi.chassis.vendor: LENGDA
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr4.6.3:bd07/08/2011:svnLENGDA:pnMontevinaplatform:pvrTobefilledbyO.E.M.:rvnLENGDA:rnMontevinaplatform:rvrTobefilledbyO.E.M.:cvnLENGDA:ct10:cvrToBeFilledByO.E.M.:
dmi.product.name: Montevina platform
dmi.product.version: To be filled by O.E.M.
dmi.sys.vendor: LENGDA
mtime.conffile..etc.systemd.logind.conf: 2015-07-12T11:52:32.597961
** Affects: systemd (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug vivid
** Attachment added: "Journald export of a suspending session"
https://bugs.launchpad.net/bugs/1473721/+attachment/4427884/+files/journald
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https://bugs.launchpad.net/bugs/1473721
Title:
Computer going to sleep mode after a few seconds
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