Ubuntu
linux-source-2.6.22 package

  1. Bug #183033
  2. Comment #23

Comment 23 for bug 183033

Revision history for this message
Janne Hyötylä (janne-hyotyla) wrote :

Same problem as in description happens to me, with the following system:

Ubuntu 7.10
Kernel: Linux moria 2.6.22-14-generic #1 SMP Tue Feb 12 07:42:25 UTC 2008 i686 GNU/Linux
Dell Latitude D630 Laptop
Processor: Intel Core 2 Duo T7300 (2x 2 GHz)

Before suspend, frequency scaling is working normally.
After suspend, frequency governor is only settable for CPU0 and this CPU is scaling normally. CPU1 stays at 800 MHz.
Attached are outputs of cpufreq-info before suspending and after one suspend.
Also the output of 'sudo dmesg -c' from boot to directly after suspend. Suspend happens at 435.

NB: In the early Gutsy final version, CPU1 got stuck at 2 GHz *most of the time* after a suspend (not every time). From some point on the behaviour apparently changed and CPU1 gets now *always* stuck at 800 MHz.