https://bugzilla.kernel.org/show_bug.cgi?id=40672
Len Brown <l...@kernel.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |l...@kernel.org
Summary|screen flickers, touchpad |screen flickers, touchpad
|unreliable, kernel crashes; |unreliable, kernel crashes;
|unless acpi=off - Lenovo |unless acpi=off - Lenovo
|Ideapad U455 |Ideapad U455, AMD
| |Athlon(tm) Neo Processor
| |MV-40
--- Comment #8 from Len Brown <l...@kernel.org> 2011-08-08 19:02:08 ---
Well, there are plenty of AMD quirks and workarounds evident in dmesg.
Unfortunately, I have no expertise with any of them.
/proc/interrupts doesn't show anything *thrashing* that would explain
your touchpad issues. It does show that you get lots of clock ticks,
and I wonder if there is something odd in your .config, such as
missing CONFIG_NO_HZ=y powertop would probably complain about such things.
The firmware-test-kit complains about the hpet.
You might consider disabling it to see if that helps.
hpet=disable
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