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

[rengolin]

Tried again (Dell 1555, Radeon 4500 series):

"noapic acpi=force nolapic" works brightness and suspend on close lid,
but it doesn't recognize my core duo as dual core.

With any other combination of those flags I get two cores but brightness
and lid close stop working.

Is there any progress to this bug? It works on grub screen, so I guess
some kernel module / config is screwing up. As this happens with both
fglrx and open source drivers, I doubt we can blame ATI...

cheers,
--renato

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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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