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From: Jeremy Fitzhardinge <jeremy@goop.org>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: 2.6.22-rc1-mm1: boot failure under qemu
Date: Wed, 16 May 2007 09:30:07 -0700	[thread overview]
Message-ID: <464B318F.1060309@goop.org> (raw)
In-Reply-To: <464B2762.7040508@zytor.com>

H. Peter Anvin wrote:
> There are a number of highly odd things about your dump, in particular,
> %es == 0x8100 at this point, which means the constraint %cs == %ds ==
> %es == %ss has been violated in this code; this should only happen
> locally inside an assembly routine or asm() statement.  Another bizarre
> thing is that %ebp, which apparently is supposed to contain the base at
> this point, is *also* set to 0x8100.
>   

Yeah, I noticed the segment state was all over the place.

> I have been using Qemu (as well as Bochs) to develop and test the code,
> so obviously it Works For Me[TM].  Please describe the entry conditions
> in more detail; in particular, what did you use to load the kernel?
>   

qemu -kernel bzImage -hda filesystem.img

> Also, could you send me your .config and simulation image?
>   

Yep, separate mail.

    J

  reply	other threads:[~2007-05-16 16:30 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-05-16  8:23 2.6.22-rc1-mm1: boot failure under qemu Jeremy Fitzhardinge
2007-05-16 15:46 ` H. Peter Anvin
2007-05-16 16:30   ` Jeremy Fitzhardinge [this message]
2007-05-16 17:59     ` H. Peter Anvin
2007-05-16 18:24       ` Jeremy Fitzhardinge
2007-05-16 18:52         ` Nish Aravamudan
2007-05-16 19:07         ` H. Peter Anvin
2007-05-17  0:47           ` Jeremy Fitzhardinge

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