Re: sleepy linux 2.6.23-rc9

[Clemens Koller]

Pavel Machek schrieb:
> I played with powertop a bit, and found a fairly interesting failure
> mode. If I boot init=/bin/bash vga=1, I get ~2 wakeups a second, nice.
>
> When I boot init=/bin/bash vga=791 (vesa framebuffer), most wakeups
> are caused by cursor painting (I should fix that some day, I
> guess). But... the cursor blinking does not even work properly!
>
> It blinks at normal speed, then (randomly) it blinks slowly, then gets
> back to normal speed, then inserts longer delay.

Is the effect a beat that it has roughly the frequency of your Notebooks
screen refresh rate (60Hz)? (in german: Schwebung)

> The effect is so nice that I thought about youtube ;-). Thinkpad
> x60.. question is, how to debug it? 

No idea... check where the register of the HW cursor blink rate
gets written? But as it seems to be so nice, please submit a patch
which enables this for all platforms. ;-)

Regards,
--
Clemens Koller
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