From mboxrd@z Thu Jan 1 00:00:00 1970 From: Avi Kivity Subject: Re: Current KVM head crashes on startup Date: Wed, 18 Feb 2009 11:26:42 +0000 Message-ID: <499BF072.6080803@redhat.com> References: <499AF81E.7080406@egenera.com> <20090218075126.GB12284@amit-x200.pnq.redhat.com> <20090218081602.GC12284@amit-x200.pnq.redhat.com> <499BCB9D.6070005@redhat.com> <20090218090540.GD12284@amit-x200.pnq.redhat.com> <499BE0C0.1040202@redhat.com> <20090218112128.GA4032@amit-x200.pnq.redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org, Anthony Liguori To: Amit Shah Return-path: Received: from mx2.redhat.com ([66.187.237.31]:51251 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751361AbZBRL0Q (ORCPT ); Wed, 18 Feb 2009 06:26:16 -0500 In-Reply-To: <20090218112128.GA4032@amit-x200.pnq.redhat.com> Sender: kvm-owner@vger.kernel.org List-ID: Amit Shah wrote: >>> >>> >> I don't see why it would change, unless you can destroy all copies of >> the compilers that fail with it. >> > > I'd like to know which compilers fail to compile it I don't recall, it probably depends on whether frame pointers are used or not as well. > -- maintaining > specific code can introduce such regressions. > That's a problem with assembly. x86 and x86_64 are different instruction sets. > qemu too doesn't have a dependency on gcc-3 anymore. > We aren't forcing users to use gcc 4. > Also, softwares do periodically bump up the minimum required versions of > their dependencies. Not for this kind of bug. -- I have a truly marvellous patch that fixes the bug which this signature is too narrow to contain.