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Tasklist

FS#23305 - [kernel26] cpu frequency scaling doesn work

Attached to Project: Arch Linux
Opened by Florian Zeitz (Florob) - Thursday, 17 March 2011, 03:31 GMT
Last edited by Tobias Powalowski (tpowa) - Thursday, 16 June 2011, 10:55 GMT
Task Type Bug Report
Category Kernel
Status Closed
Assigned To Tobias Powalowski (tpowa)
Thomas Bächler (brain0)
Architecture x86_64
Severity Low
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No

Details

Description:
Since updating to kernel26-2.6.37.3-1 (the problem persists with 2.6.38-1) cpu frequency scaling stopped working for me. The CPU is always at it's lowest possible frequency and the fan is always spinning at full speed. The only indication I otherwise have of anthing being wrong is a message "select() to /dev/rtc to wait for clock tick timed out" during bootup. However that device appears to work fine after boot.

The system is a HP Compaq 6715b.
This task depends upon

Closed by  Tobias Powalowski (tpowa)
Thursday, 16 June 2011, 10:55 GMT
Reason for closing:  Fixed
Comment by katabami (katabami) - Thursday, 24 March 2011, 01:26 GMT
This is also reported at OpenSuse's bugzilla, with more info:
https://bugzilla.novell.com/show_bug.cgi?id=668186

I'm not a dev, but having the same trouble. ;)
Comment by Jelle van der Waa (jelly) - Thursday, 16 June 2011, 10:22 GMT
Upstream bug https://bugzilla.kernel.org/show_bug.cgi?id=31942 has been fixed
in the mainline and the fix is present in 2.6.38.y, so it should appear in the
next openSUSE 11.4 kernel update.
So does it work with .39?
Comment by Florian Zeitz (Florob) - Thursday, 16 June 2011, 10:33 GMT
Yes, this does work with 2.6.39.
"select() to /dev/rtc to wait for clock tick timed out" message persists though, probably unrelated.

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