Ubuntu
linux-source-2.6.20 package

p4-clockmod doesn't get automatically loaded on Acer TM2413

Bug #85219 reported by Robert Nasiadek
2
Affects Status Importance Assigned to Milestone
linux-source-2.6.20 (Ubuntu)
Invalid
Undecided
Unassigned

Bug Description

My laptop (Acer TravelMate 2413) supports CPU frequency scaling thru p4-clockmod kernel module, but Ubuntu does not load it automatically.

Revision history for this message
Brian Murray (brian-murray) wrote :

Thanks for taking the time to report this bug and helping to make Ubuntu better. With which version of Ubuntu did you notice this issue? Thanks in advance.

Revision history for this message
Robert Nasiadek (robzon) wrote :

Both edgy and feisty.
By the way, is there a clickable way to choose a frequency governor? It's a bit not-user-friendly to choose it from the console, and it doesn't automatically go 'performance' on AC power and 'ondemand' on battery.

cheers.

Revision history for this message
Matthew Garrett (mjg59) wrote :

p4-clockmod introduces unacceptable degrees of latency under normal desktop conditions, and adds little power saving since it has no ability to alter voltage. As a result, we deliberately don't autoload it.

Changed in linux-source-2.6.20:
status: Confirmed → Rejected
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