there is a regresion in upstream:
now, only two governors available
root@rfordinal-ultra:/# cat
/sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors
performance powersave
and max frequency is 3Ghz!
root@rfordinal-ultra:/# cat
/sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq
3000000
** Tags removed: needs-upstream-testing
** Tags added: kernel-bug-exists-upstream kernel-bug-exists-upstream-3.13
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
** Tags added: apport-collected
** Description changed:
The "ondemand" governor doesn't work with i7 4500U. governor is not
scaling up frequency when is CPU at high use. "conservative" governor
works.
ProblemType: Bug
DistroRelease: Ubuntu 13.10
Package: linux-image-3.11.0-15-generic 3.11.0-15.23
ProcVersionSignature: Ubuntu 3.11.0-15.23-generic 3.11.10
Uname: Linux 3.11.0-15-generic x86_64
ApportVersion: 2.12.5-0ubuntu2.2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: rfordinal 4022 F.... pulseaudio
/dev/snd/controlC1: rfordinal 4022 F.... pulseaudio
/dev/snd/pcmC1D0p: rfordinal 4022 F...m pulseaudio
Date: Thu Jan 23 12:54:19 2014
HibernationDevice: RESUME=UUID=cd7a987c-48a7-4468-b012-cdea8c4517bf
InstallationDate: Installed on 2013-12-14 (39 days ago)
InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64
(20131016.1)
MachineType: LENOVO 20AY001CMC
MarkForUpload: True
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.11.0-15-generic.efi.signed
root=UUID=8518884a-a433-4aa3-8bc3-7477dda998e1 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.11.0-15-generic N/A
linux-backports-modules-3.11.0-15-generic N/A
linux-firmware 1.116
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/23/2013
dmi.bios.vendor: LENOVO
dmi.bios.version: J3ET32WW (1.09 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20AY001CMC
dmi.board.vendor: LENOVO
dmi.board.version: Win8 STD DPK TPG
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias:
dmi:bvnLENOVO:bvrJ3ET32WW(1.09):bd07/23/2013:svnLENOVO:pn20AY001CMC:pvrThinkPadS3-S440:rvnLENOVO:rn20AY001CMC:rvrWin8STDDPKTPG:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 20AY001CMC
dmi.product.version: ThinkPad S3-S440
dmi.sys.vendor: LENOVO
+ ---
+ ApportVersion: 2.12.5-0ubuntu2.2
+ Architecture: amd64
+ DistroRelease: Ubuntu 13.10
+ InstallationDate: Installed on 2013-12-14 (39 days ago)
+ InstallationMedia: Ubuntu 13.10 "Saucy Salamander" - Release amd64
(20131016.1)
+ MarkForUpload: True
+ Package: linux (not installed)
+ Tags: saucy
+ Uname: Linux 3.13.0-031300-generic x86_64
+ UnreportableReason: The running kernel is not an Ubuntu kernel
+ UpgradeStatus: No upgrade log present (probably fresh install)
+ UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
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https://bugs.launchpad.net/bugs/1271909
Title:
CPU i7 4500U - governor ondemand not works
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