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Re: [Qemu-devel] AMD64 Gentoo needs help

From: Paul Brook
Subject: Re: [Qemu-devel] AMD64 Gentoo needs help
Date: Thu, 23 Sep 2004 22:30:44 +0100
User-agent: KMail/1.7

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.


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