the question is, why does it work until kernel 2.6.21.7 with opensuse 10.2 and
the actual kubuntu 8.04. where is the differenze. is it the blacklist?
This is a very good hint! I try to find out what could have caused it. Hmm,
https://bugzilla.novell.com/show_bug.cgi?id=396220
User trenn@novell.com added comment
https://bugzilla.novell.com/show_bug.cgi?id=396220#c16
--- Comment #16 from Thomas Renninger 2008-06-13 02:34:31 MDT ---
Thanks so far for all your investigations.
Simply limiting C-states to C1 might not be the ideal solution as you loose the
"Mobile" part of your Mobile Sempron and it consumes more power.
We should still investigate a bit further, especially if it (possibly) worked
already:
this should be the time when the huge timer changes came in..., this might get
difficult. Does anyone still have a working distribution (10.2 or Ubuntu 8.04)
installed? If yes can you check whether the C-states are really used there:
cat /proc/acpi/processor/*/power
Also a dmesg (10.2 is preferred, but at least a working kernel) of a working
kernel to compare could help.
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