What is "processor.max_cstate"?
a boot parameter:
https://bugzilla.novell.com/show_bug.cgi?id=396220
User trenn@novell.com added comment
https://bugzilla.novell.com/show_bug.cgi?id=396220#c6
Thomas Renninger changed:
What |Removed |Added
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CC| |andreas.herrmann3@amd.com
--- Comment #6 from Thomas Renninger 2008-06-12 08:21:12 MDT ---
processor.max_cstate=1 will probably work as it restricts the processor module
to only use C1.
processor.max_cstate=2 will probably work as it restricts the processor module
to only use C2.
idle=poll does not use any C-states or halt instruction.
I expect that the timer is switched off in deeper sleep states (C3).
Strange is that latest kernel sometimes works...
Can you also try the processor.max_cstate=X parameter, pls. Then you save a lot
more power. The question then is whether Sempron Mobile 3500/3600 should be
blacklisted to not use C3 or whether the apictimer should not be used in this
case.
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