linux-kernel - Re: [Bug 10797] Battery is drained after poweroff

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Message-Id: <200810182212.34290.rjw@sisk.pl>
Date:	Sat, 18 Oct 2008 22:12:33 +0200
From:	"Rafael J. Wysocki" <rjw@...k.pl>
To:	"Renato S. Yamane" <yamane@...mondcut.com.br>
Cc:	"Pavel Machek" <pavel@...e.cz>, linux-kernel@...r.kernel.org,
	power-management_other@...nel-bugs.osdl.org
Subject: Re: [Bug 10797] Battery is drained after poweroff

On Saturday, 18 of October 2008, Renato S. Yamane wrote:
> Rafael J. Wysocki wrote:
> > It follows from your reports that the problem is present in 2.6.22, although
> > it wasn't present in 2.6.21.  If that's correct, you can do the following:
> > 1) Clone the Linus' -git repository (if you have a copy already, you can use
> > it)
> > 2) Go to the directory containing your copy of the Linus' repo and do
> > 	# git bisect start
> > 	# git bisect good v2.6.21
> > 	# git bisect bad v2.6.22
> > 3) Wait for git to select a commit to test, build the kernel and test it.
> 
> $ git bisect good v2.6.22
> $ git bisect bad v2.6.23
> Bisecting: *3554* revisions left to test after this
> 
> This means that I need compile kernel *3554* times?

No, you'll need to compile it approximately log_2(3554) times which is not
that bad. :-)

Thanks,
Rafael
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