linux-kernel - Re: [BUG FIX] Make x86_32 uni-processor Atomic ops, Atomic

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Message-Id: <200905281621.15543.lkml@morethan.org>
Date:	Thu, 28 May 2009 16:21:12 -0500
From:	"Michael S. Zick" <lkml@...ethan.org>
To:	Pavel Machek <pavel@....cz>
Cc:	"H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	linux-kernel@...r.kernel.org
Subject: Re: [BUG FIX] Make x86_32 uni-processor Atomic ops, Atomic

On Thu May 28 2009, Pavel Machek wrote:
> Hi!
> 
> > > > > I have seen some problems on via c7m based machines, where some 'smart
> > > > > bios person' implemented EC access in AML (normally, it is accessed
> > > > > from ec.c driver). Maybe you have similary bad bios?
> > > > 
> > > > How to tell or distingush?
> > > > Did your looking at the dmidecode output show you that?
> > > 
> > > Disassemble DSDT, and if you see strange code duplicating kernel's
> > > ec.c driver, you have similar problem... 
> > 
> > Someone did that but wasn't looking for "strange code" - just fixing
> > some entry size errors.
> > You can find the replacement DSDT here:
> > http://forum.netbookuser.com/viewtopic.php?pid=6512#p6512
> > 
> > (Which I am not using, since it mostly cosmetic.)
> 
> Ok, it does not seem to have braindead EC implementation. The DSDT
> does not look familiar, so it may be different issue. (Or it is same
> issue and we were not able to debug it due to all the BIOS problems.)
> 

Thanks for taking a look, 
it would have meant nothing to me.

Mike
> 									Pavel


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