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From: "Américo Wang" <xiyou.wangcong@gmail.com>
To: Adam Nielsen <a.nielsen@shikadi.net>
Cc: LKML Mailinglist <linux-kernel@vger.kernel.org>
Subject: Re: UML broken - runaway loop modprobe binfmt-464c
Date: Mon, 15 Feb 2010 19:37:30 +0800	[thread overview]
Message-ID: <20100215113730.GL12076@hack.private> (raw)
In-Reply-To: <4B78EE15.9020407@shikadi.net>

On Mon, Feb 15, 2010 at 04:47:49PM +1000, Adam Nielsen wrote:
> Hi all,
>
> I've been forced to upgrade an old machine running a couple of UML VMs, 
> but I can't for the life of me figure out how to make them work on the 
> new machine.
>
> I've compiled the latest kernel from kernel.org with ARCH=um and when I 
> run it says this a few times and then stops:
>
> request_module: runaway loop modprobe binfmt-464c
>
> From Google it appears the cause of this is when you run a 64-bit system 
> with a 32-bit kernel, but I'm running a 64-bit kernel with a 32-bit 
> system.  I vaguely recall something about IA32 emulation in the normal 
> kernel build, but I can't see anything like that in the UML kernel 
> config.
>
> Does anyone know what might fix this?
>

So you are using 32-bit modprobe binary and 64-bit kernel?

This will not work, since kernel binfmt_elf module checks
if e_machine is EM_X86_64.


  reply	other threads:[~2010-02-15 11:34 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-02-15  6:47 UML broken - runaway loop modprobe binfmt-464c Adam Nielsen
2010-02-15 11:37 ` Américo Wang [this message]
2010-02-15 16:11   ` Jeff Dike
2010-02-21  3:00     ` Adam Nielsen

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