From: Paul Brook <paul@codesourcery.com>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] AMD64 Gentoo needs help
Date: Thu, 23 Sep 2004 22:30:44 +0100 [thread overview]
Message-ID: <200409232230.44451.paul@codesourcery.com> (raw)
In-Reply-To: <Pine.LNX.4.44.0409232116560.4094-100000@wrasse.demon.co.uk>
On Thursday 23 September 2004 21:21, Martin Garton wrote:
> On Thu, 23 Sep 2004, jmf wrote:
> > I treid that and before the segfault below happen, now a black window
> > appears and dissappears very quickly
>
> I believe the problem is that qemu is not 64bit clean code because it does
> things like casting from pointers to ints and back which is okay when they
> are the same size (ie, on x86) but not when a pointer is twice as long as
> an int (ie, on amd64) You will have seen warnings about this when
> compiling.
Doesn't Gentoo use gcc3.4?
If so I'd guess it's more likely that this is the problem. gcc3.4 performs
optimizations that break assumptions in the dyngen code.
Paul
next prev parent reply other threads:[~2004-09-23 21:37 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-09-23 19:36 [Qemu-devel] AMD64 Gentoo needs help jmf
2004-09-23 20:16 ` Martin Garton
2004-09-23 20:21 ` Martin Garton
2004-09-23 21:06 ` J. Mayer
2004-09-24 9:46 ` Johannes Schindelin
2004-09-25 9:23 ` Martin Garton
2004-09-25 9:39 ` [Qemu-devel] " Gabriel Ebner
2004-09-23 21:30 ` Paul Brook [this message]
2004-09-25 9:44 ` Gabriel Ebner
-- strict thread matches above, loose matches on Subject: below --
2004-09-23 21:56 [Qemu-devel] " jmf
2004-09-23 13:46 jmf
2004-09-23 15:50 ` Paul Brook
2004-09-23 16:49 ` Andrew Wilkinson
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