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SubjectRe: [regression] display dimming is slow and laggy
Maximilian Engelhardt wrote:
> Hello,
> I'm using kernel 2.6.26-rc6 at the moment and with it dimming the display is
> slow and laggy. Using kernel 2.6.25 doesn't show this problem.
> Here is a more detailed explanation:
> I'm dimming my display with the appropriate keys on my laptop (Fn +
> right/left). Till kernel 2.6.25 this has worked without any problems. Now I'm
> using 2.6.26-rc6 and using the keys the display is dimming much slower and
> also laggy. By laggy I mean if I hit the keys for increasing/decreasing
> brightness it starts dimming and when I release the keys after some time it
> still continues dimming for some steps.
> My laptop is a Acer Travelmate 661lci and has an Intel 855 chipset.
> I'll attach my dmesg output, please tell me if you need any further
> information.

Think you forgot the dmesg. Are you seeing a "ACPI: EC: GPE storm
detected, disabling EC GPE" message? See:

This seems to affect a lot of Acer laptops.

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