linux-kernel - Re: 2.6.{26.2,27-rc} oops on virtualbox

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Message-ID: <20080831140340.GD4305@tux1.brauer.lan>
Date:	Sun, 31 Aug 2008 16:03:40 +0200
From:	Gerhard Brauer <gerhard.brauer@....de>
To:	Stefan Lippers-Hollmann <s.L-H@....de>
Cc:	"Luiz Fernando N. Capitulino" <lcapitulino@...driva.com.br>,
	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>,
	"H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...e.hu>,
	linux-kernel@...r.kernel.org
Subject: Re: 2.6.{26.2,27-rc} oops on virtualbox

On Sun, Aug 31, 2008 at 03:28:22PM +0200, Stefan Lippers-Hollmann wrote:
> Hi
> 
> On Sonntag, 31. August 2008, Gerhard Brauer wrote:
> [...]
> > Ok, some news from archlinux side:
> > Our distribution kernel was upgraded from 2.6.26.2 to 2.6.26.3. With
> > this upgrade to patchlevel .3 the "early oops"(freeing smp...) has gone.
> > My virtual machines boots always fine with this, and i have one
> > confirmation from a user about this.
> 
> Sorry, I can't confirm this here on Debian unstable (with virtualbox-ose 
> 1.6.2 or 1.6.4), are you sure that other configuration options didn't 
> change between the different kernel versions? Preemption and paravirt can
> influence the probability of the early boot panic seriously, without really
> avoiding it alltogether.

Only changes between our 2.6.26.2-1 and 2.6.26.3-1 are some minor
framebuffer changes in config. If i have a look at the different
patchsets between the two versions i don't see something which could be
the reason between work and not work.

> Actually I still get the same issues with implanting
> ftp://ftp5.gwdg.de/pub/linux/archlinux/core/os/i686/kernel26-2.6.26.3-1-i686.pkg.tar.gz
> into the test vm using virtualbox-ose 1.6.4.

Hmm, one user also reports that he have no problem when using a vanilla
2.6.26 as guest kernel. But there must be some reasons when different
distributions notice a major problem between 2.6.25 and 2.6.26 with
their stock kernels. Although i don't even know if our few reports here
are very representavive...

> Regards
> 	Stefan Lippers-Hollmann

Gerhard

-- 
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