[Bug 355474] [NEW] cpuinfo_max_freq stuck at 800MHz

[Greg Michalec]

Public bug reported:

Binary package hint: cpufrequtils

I'm not sure if this is the right package to file this bug with, but here's the problem:
I've noticed that after unplugging, then replugging my laptop back in, the cpu frequency will be stuck at 800Mhz.  Occasionally, plugging and replugging it a few times will resolve the problem, but not always.
I've tried using cpufreq-set, as well as 'echo -n 2201000 > scaling_max_freq', but the value of scaling_max_freq continues to be stuck at 800000. I definitely don't remember having this problem before upgrading to jaunty. 
I'm also confused as to why the cpufreq is being altered when I unplug in the first place. As far as I know, I don't have anything configured to do this.

Please let me know if there's anything additional info I can provide.
Thank you.

ProblemType: Bug
Architecture: i386
DistroRelease: Ubuntu 9.04
NonfreeKernelModules: nvidia
Package: cpufrequtils 004-2
ProcEnviron:
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
SourcePackage: cpufrequtils
Uname: Linux 2.6.28-11-generic i686

** Affects: cpufrequtils (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386

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cpuinfo_max_freq stuck at 800MHz
https://bugs.launchpad.net/bugs/355474
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