[Bug 392812] Re: Dell Studio 1555: cannot change display brightness after a while, other hotkeys and ACPI stuff begin to fail

[cgarre]

I am on 2.6.31-16  64 bit and looks like it is working fine (i am able
to control brightness in dell studio 1555). I had problems with ever
other kernel before this, some work for 2-3 mins and then fail, but its
been about 3 hours and it is still working dont know if it will fail
later, but i did suspend, restart etc, and it keeps working. So its
hopefully in this. I know 2.6.32 has certainly fixed it, i installed
ubuntu 10.04 alpha 1, and it works but then ATI propretiary graphics
wont work, hence i have issues coming up from suspend, the screen looks
blurred and shakes. So i need the graphics drivers, so i went back to
ubuntu 9.10 , with the hope that i will use catalyst control center to
control brightness, as i always did. But then i got 2.6.31-16 in the
update as soon as i installed today, so i installed and i was pleasantly
surprised .. touch wood, touch wood.

i am on ubuntu 9.10 (which has kde too) , though i am running gnome. 
My specs
Ubuntu 9.10 64 bit
Kernel 2.6.31-16 
Dell studio 1555 - ATI Radeon HD 4000 series card. 

Brightness and battery meter etc all work, and ubuntu is now able to
recognize that i am unplugging etc. So ACPI is fixed. (touch wooooood).
Thanks all.

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Dell Studio 1555: cannot change display brightness after a while, other hotkeys and ACPI stuff begin to fail
https://bugs.launchpad.net/bugs/392812
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