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Message #116728
[Bug 1452460] [NEW] Turbo mode on i7 is not enabled upon resume
You have been subscribed to a public bug:
Turbo mode is not enabled upon resume from suspend.
To enable I must issue:
``echo 0 | sudo tee /sys/devices/system/cpu/intel_pstate/no_turbo
echo 1 | sudo tee /sys/devices/system/cpu/intel_pstate/no_turbo
echo 0 | sudo tee /sys/devices/system/cpu/intel_pstate/no_turbo``
I would expect that Turbo was re-enabled by default from resume.
I created a script in /usr/lib/pm-utils/sleep.d/ to issue the above
commands, but clearly that mechanism is depreciated.
I am reporting this bug against systemd as I assume that it is managing
the running of startup and resume scripts.
A quick hack solution would be appreciated in the short term.
ProblemType: Bug
DistroRelease: Ubuntu 15.04
Package: systemd 219-7ubuntu4
Uname: Linux 4.0.0-040000rc7-generic x86_64
ApportVersion: 2.17.2-0ubuntu1
Architecture: amd64
CurrentDesktop: Unity
Date: Thu May 7 09:11:12 2015
InstallationDate: Installed on 2015-04-14 (22 days ago)
InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Beta amd64 (20150326)
MachineType: Acer Aspire S7-392
ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-4.0.0-040000rc7-generic root=UUID=57b63ba3-bc33-40b5-931f-8654d6c5cab4 ro rootflags=subvol=@ noprompt persistent quiet splash vt.handoff=7
SourcePackage: systemd
UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 05/20/2014
dmi.bios.vendor: Insyde Corp.
dmi.bios.version: V2.12
dmi.board.asset.tag: No Asset Tag
dmi.board.name: Storm2
dmi.board.vendor: Acer
dmi.board.version: V2.12
dmi.chassis.asset.tag: No Asset Tag
dmi.chassis.type: 10
dmi.chassis.vendor: Acer
dmi.chassis.version: V2.12
dmi.modalias: dmi:bvnInsydeCorp.:bvrV2.12:bd05/20/2014:svnAcer:pnAspireS7-392:pvrV2.12:rvnAcer:rnStorm2:rvrV2.12:cvnAcer:ct10:cvrV2.12:
dmi.product.name: Aspire S7-392
dmi.product.version: V2.12
dmi.sys.vendor: Acer
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug resume turbo vivid
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Turbo mode on i7 is not enabled upon resume
https://bugs.launchpad.net/bugs/1452460
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