[Debian-eeepc-devel] Bug#559578: Bug#559578: eeepc-acpi-scripts: EeePC 701 freezes with garbled screen while booting

Alexey Morozov morozov_ml at ngs.ru
Tue Dec 8 18:58:41 UTC 2009


Hello!

I can confirm this bug. However it 's not a problem with acpi scripts, but 
rather a bug in the kernel [module]. I experience exactly the same problem 
when I manually switch performance settings from 'normal' (default), to 
'performance':

echo 0 >/sys/devices/platform/eeepc/cpufv

My Eee PC is also 701 4G (originally shipped with MS Windows XP) and currently 
has Karmic Koala with 2.6.31-15-generic kernel installed. Maybe I should try a 
different kernel, or try to load a specific module or whatever else... 

Actually I would prefer to have a 'powersave' mode rather than performance. 
However only 0 and 1 are reported in available_cpufv. BTW Windows was able to 
downgrade performance when battery was close to discharge. But maybe it was a 
hardware feature activated specially for an operating system which is known to 
be a speed hog :)

Sincerely, Alexey Morozov





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