linux-kernel - Re: uml doesn't work on 2.6.24-rc2

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Message-ID: <20071114011002.GA11477@c2.user-mode-linux.org>
Date:	Tue, 13 Nov 2007 20:10:02 -0500
From:	Jeff Dike <jdike@...toit.com>
To:	Miklos Szeredi <miklos@...redi.hu>
Cc:	user-mode-linux-devel@...ts.sourceforge.net,
	linux-kernel@...r.kernel.org
Subject: Re: uml doesn't work on 2.6.24-rc2

On Wed, Nov 14, 2007 at 12:32:43AM +0100, Miklos Szeredi wrote:
> UML doesn't run on 2.6.24-rc2 as host (config attached).  Guest is
> 2.6.23-mm1, but I guess it's irrelevant.  2.6.23 as host was OK.
> 
> When booting there are zillions of lines like this:
> 
> "arch_switch_tls failed, errno = EINVAL"

This is PTRACE_ARCH_PRCTL failing and the only EINVAL I see is
do_arch_prctl getting a bogus operation - something other than
ARCH_[GS]ET_[FG]S, which is strange because UML never would have
worked if it were passing in bogus arguments.

				Jeff

-- 
Work email - jdike at linux dot intel dot com
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