linux-kernel - Re: 2.6.35 hangs on early boot in KVM

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Message-ID: <201008031453.09023.tvrtko.ursulin@sophos.com>
Date:	Tue, 3 Aug 2010 14:53:08 +0100
From:	Tvrtko Ursulin <tvrtko.ursulin@...hos.com>
To:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: 2.6.35 hangs on early boot in KVM

On Tuesday 03 Aug 2010 10:45:02 Tvrtko Ursulin wrote:
> On Tuesday 03 Aug 2010 10:28:56 Tvrtko Ursulin wrote:
> > I have basically built 2.6.35 with make oldconfig from a working 2.6.34.
> > Latter works fine in kvm while 2.6.35 hangs very early. I see nothing
> > after grub (have early printk and verbose bootup enabled), just a
> > blinking VGA cursor and CPU at 100%.
> >
> > Config is attached. Any ideas what options I could toggle to debug this?
> > I tried gzip instead of lzma but it isn't that.
>
> Just discovered I did not removed the quiet boot option, what I thought I
> have.. with that removed I see that it hangs just after "Booting the
> kernel." line.

Bisection so far:

good: 3de29cab1f8d62db557a4afed0fb17eebfe64438
bad: 537b60d17894b7c19a6060feae40299d7109d6e7

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