ubuntu-x-swat team mailing list archive

[Gurmeet <524281@xxxxxxxxxxxxxxxxxx>]

Just installed the 2.6.36 mainline kernel from http://kernel.ubuntu.com
/~kernel-ppa/mainline/v2.6.36-maverick/.

VMWare Player is not working, but that's another story.

[kernel scheduler] Load balancing tick = 2.3
[extra timer interrupt] = 11.7

Total interrupts under idle conditions = 66.7 (earlier it was ~180).

Ok, now we know the story, or at-least a part of it.
We will all be a happy breed of people if the fixes are back ported to the latest stable release of Maverick from the Ubuntu repository. So if we do a 'sudo apt-get update && upgrade" we should get the patches applied and don't have to fiddle with unsupported releases of the core of the OS.

I am keeping my fingers crossed. VMWare is not working as of now, PS/2
interrupts are still very high and might discover  a thing or 2 later,
but as of now, with the 2.6.36, the issue seems to be resolved. Will
feel a lot more satisfied after the fixed version lands up through the
official repo on a officially supported release (2.6.35 at the moment).

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https://bugs.launchpad.net/bugs/524281

Title:
  Tens of wakes per second in "[kernel scheduler] Load balancing tick" on Core 2 Duo even with only 1 core enabled