linux-kernel - Re: [BUG] 2.6.20-rc3-mm1: can not mount root

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Message-ID: <5157576d0701300648s73b6c083ue8d6af13a0f7a32a@mail.gmail.com>
Date:	Tue, 30 Jan 2007 17:48:48 +0300
From:	"Tomasz Kvarsin" <kvarsin@...il.com>
To:	"Ingo Molnar" <mingo@...e.hu>
Cc:	"Andrew Morton" <akpm@...l.org>, linux-kernel@...r.kernel.org
Subject: Re: [BUG] 2.6.20-rc3-mm1: can not mount root

On 1/30/07, Ingo Molnar <mingo@...e.hu> wrote:
>
> * Andrew Morton <akpm@...l.org> wrote:
>
> > Tomasz, is this still happening in 2.6.20-rc6-mm3?
> >
> > err.  We merged that patch.  So perhaps 2.6.20-rc6 now crashes in the
> > same manner?
>
> no, we havent merged that patch yet, but it's:
>
>   x86_64-mm-improve-sched_clock-on-i686.patch
>
> I bet this is due to Qemu simulating a CPU that does not truly exist.

I use qemu+kqemu, so as I understand almost all code executes on my real CPU.

> i suspect it's .config dependent. Tomasz,
>could you send me the .config you used?

I supposed you was agree that
this cause a problem:
> -int tsc_disable __cpuinitdata = 0;
                               ^^^^^^^^^^^^^^^^
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