linux-kernel - Re: Regression in 2.6.36-rc1 bisected to commit 9d8888c

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Message-ID: <20100820075125.GA23650@aftab>
Date:	Fri, 20 Aug 2010 09:51:25 +0200
From:	Borislav Petkov <bp@...64.org>
To:	Larry Finger <Larry.Finger@...inger.net>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Hans Rosenfeld <hans.rosenfeld@....com>,
	"H. Peter Anvin" <hpa@...ux.intel.com>
Subject: Re: Regression in 2.6.36-rc1 bisected to commit 9d8888c

From: Larry Finger <Larry.Finger@...inger.net>
Date: Thu, Aug 19, 2010 at 09:26:43PM -0500

> With 2.6.36-rc1 from the mainline git tree, my x86_64 system running on an AMD
> Turion 64 x2 TL-60 has required pressing keys to get booting to advance. This
> behavior begins as soon as the kernel is loaded. I bisected the problem to:
> 
> commit 9d8888c2a214aece2494a49e699a097c2ba9498b
> Author: Hans Rosenfeld <hans.rosenfeld@....com>
> Date:   Wed Jul 28 19:09:31 2010 +0200
> 
>     x86, cpu: Clean up AMD erratum 400 workaround
> 
>     Remove check_c1e_idle() and use the new AMD errata checking framework
>     instead.
> 
>     Signed-off-by: Hans Rosenfeld <hans.rosenfeld@....com>
>     LKML-Reference: <1280336972-865982-2-git-send-email-hans.rosenfeld@....com>
>     Signed-off-by: H. Peter Anvin <hpa@...ux.intel.com>
> 
> Reverting this patch allows the current 2.6.36-rc1+ to boot normally.
> 
> This problem is entered into the Kernel Bugzilla as Bug #16636.

Fix is already upstream: http://git.kernel.org/tip/07a7795ca2e6e66d00b184efb46bd0e23d90d3fe

Can you verify it fixes your issue too please?

Thanks.

-- 
Regards/Gruss,
Boris.

Advanced Micro Devices GmbH
Einsteinring 24, 85609 Dornach
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Registration: Dornach, Gemeinde Aschheim, Landkreis Muenchen
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