linux-kernel - Re: [2.6.27.4-5 stable regressions] Kernel boot early crash with low-64k reservation patches

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Message-ID: <20081209165025.679fd673@pluto.restena.lu>
Date:	Tue, 9 Dec 2008 16:50:25 +0100
From:	Bruno Prémont <bruno.premont@...tena.lu>
To:	Greg KH <gregkh@...e.de>
Cc:	Linux Kernel <linux-kernel@...r.kernel.org>,
	Ingo Molnar <mingo@...e.hu>, "Rafael J. Wysocki" <rjw@...k.pl>,
	Stefan Winter <stefan.winter@...tena.lu>
Subject: Re: [2.6.27.4-5 stable regressions] Kernel boot early crash with
 low-64k reservation patches

On Tue, 9 Dec 2008 07:36:54 -0800 Greg KH wrote:
> On Tue, Dec 09, 2008 at 08:34:40AM +0100, Bruno Prémont wrote:
> > Hi,
> > 
> > On a VMWare (ESX 3.5.0 Update 3) guest we get boot failure at the
> > very beginning of boot process. (Boot successful with 2.6.27.4,
> > failing with 2.6.27.x where x > 4 or just adding the 5 patches
> > below to 2.6.27.4)
> > 
> > State of config option
> >   CONFIG_X86_RESERVE_LOW_64K=y
> > or
> >   # CONFIG_X86_RESERVE_LOW_64K not set
> > does not make any difference.
> 
> Does the 2.6.27.8 kernel work better for you, or does it also fail?
> 
> Also, have you tried the 2.6.28-rc releases to see if the problem is
> also there?
> 
> thanks,
> 
> greg k-h

Any stable release after 2.6.27.4 is bad (that is 2.6.27.5,
2.6.27.6, 2.6.27.8 -- 2.6.27.7 has not been tested), they all produce
the same (not verified exact register/stack values) result.

We have not tried any 2.6.28-rc kernels yet.

Bruno
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