linux-kernel - Re: Should a x86 gdb work under an x86

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Message-ID: <20080225161408.GA7295@c2.user-mode-linux.org>
Date:	Mon, 25 Feb 2008 11:14:08 -0500
From:	Jeff Dike <jdike@...toit.com>
To:	"Theodore Ts'o" <tytso@....edu>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Should a x86 gdb work under an x86_64 kernel?

On Mon, Feb 25, 2008 at 09:49:43AM -0500, Theodore Ts'o wrote:
> 	I've noticed that if I try to use a 32-bit x86 gdb to debug a
> 32-bit program under a 64-bit x86_64 kernel, gdb (version 6.6-debian,
> from Ubuntu Gutsy) immediately core dumps as soon as I run the test
> program under the debugger.  Is this normal/expected/known bug?

Probably - UML broke too.

Roland found the bug and posted a patch fairly quickly -
	http://marc.info/?l=linux-kernel&m=120365510230307&q=raw

				Jeff

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