http://bugzilla.kernel.org/show_bug.cgi?id=13109





--- Comment #17 from Alexey Starikovskiy <astarikovs...@suse.de>  2009-05-08 
20:24:58 ---
Created an attachment (id=21281)
 --> (http://bugzilla.kernel.org/attachment.cgi?id=21281)
debug sbs notify

it looks like your machine tries to send too many 0x20 queries, which are
alarms for SBS (battery and AC charger in your case).
Your DSDT has _Q20 method which tries to clear alarm bit if notification comes
from SBS Manager, but this method should not be executed if SBS drivers are
loaded -- sbs.ko. Problem is that Query bit in status register is not cleared
after we issue single query command, so we either should try to implement this
_Q20 in sbshc.c (by ignoring alarms coming from manager), or cycle query
command until query bit is cleared.

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