Public bug reported:

I had resumed my laptop for the first time today after upgrading to
12.10 and have noticed that the system was not responsive. I turned out
that CPU scaling max frequency
(/sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq) was 800000
(should be 2133000). I tried to change the governor to performance, but
the freq was still locked at min. I also tried to echo the max freq to
/sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq, but it also did
nothing.

I am yet to see whether this is repeatable, I wanted to report the bug
first with all the sensitive logs before I restart the system and try
again. I will report back here later.

ProblemType: Bug
DistroRelease: Ubuntu 12.10
Package: linux-image-generic 3.5.0.14.14
ProcVersionSignature: Ubuntu 3.5.0-14.19-generic 3.5.3
Uname: Linux 3.5.0-14-generic x86_64
AcpiTables: Error: [Errno 13] Permission denied
ApportVersion: 2.5.1-0ubuntu7
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  cromo     14022 F.... pulseaudio
 /dev/snd/pcmC0D0p:   cromo     14022 F...m pulseaudio
Date: Sat Sep 15 19:48:03 2012
HibernationDevice: RESUME=UUID=4da1c619-669e-4d7c-9cef-ffb960bd2aa8
InstallationMedia: Kubuntu 10.10 "Maverick Meerkat" - Beta amd64 (20100902.1)
MachineType: Dell Inc. Latitude E6400
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.5.0-14-generic 
root=UUID=c0ac5e9b-4a61-4d91-a546-5379b9ba2edb ro ipv6.disable=1 quiet splash 
elevator=deadline vt.handoff=7
PulseList:
 Error: command ['pacmd', 'list'] failed with exit code 1: Home directory 
/home/cromo not ours.
 No PulseAudio daemon running, or not running as session daemon.
RelatedPackageVersions:
 linux-restricted-modules-3.5.0-14-generic N/A
 linux-backports-modules-3.5.0-14-generic  N/A
 linux-firmware                            1.92
SourcePackage: linux
StagingDrivers: zram
UpgradeStatus: Upgraded to quantal on 2012-09-14 (0 days ago)
dmi.bios.date: 02/16/2011
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A28
dmi.board.vendor: Dell Inc.
dmi.chassis.type: 8
dmi.chassis.vendor: Dell Inc.
dmi.modalias: 
dmi:bvnDellInc.:bvrA28:bd02/16/2011:svnDellInc.:pnLatitudeE6400:pvr:rvnDellInc.:rn:rvr:cvnDellInc.:ct8:cvr:
dmi.product.name: Latitude E6400
dmi.sys.vendor: Dell Inc.

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: Confirmed


** Tags: amd64 apport-bug quantal staging

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https://bugs.launchpad.net/bugs/1051358

Title:
  CPU max frequency locked to minimum after resuming from suspend

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