From mboxrd@z Thu Jan  1 00:00:00 1970
From: Cornelia Huck <cornelia.huck@de.ibm.com>
Subject: Re: buildbot failure in kvm on s390
Date: Tue, 19 Nov 2013 12:46:04 +0100
Message-ID: <20131119124604.31cfba16@gondolin>
References: <20131117043132.5C93ABF4B@buildbot.b1-systems.de>
	<20131117114508.GU2008@redhat.com>
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Cc: kvm@buildbot.b1-systems.de, gollub@b1-systems.de,
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To: Gleb Natapov <gleb@redhat.com>
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On Sun, 17 Nov 2013 13:45:08 +0200
Gleb Natapov <gleb@redhat.com> wrote:

> On Sun, Nov 17, 2013 at 05:31:32AM +0100, kvm@buildbot.b1-systems.de wrote:
> > The Buildbot has detected a new failure on builder s390 while building kvm.
> > Full details are available at:
> >  http://buildbot.b1-systems.de/kvm/builders/s390/builds/1063
> > 
> > Buildbot URL: http://buildbot.b1-systems.de/kvm/
> > 
> > Buildslave for this Build: b1_kvm_1
> > 
> > Build Reason: The Nightly scheduler named 'nightly_master' triggered this build
> > Build Source Stamp: [branch master] HEAD
> > Blamelist: 
> > 
> > BUILD FAILED: failed compile
> > 
> cc1: error: unrecognized command line option "-march=z196"
> 
> Does not looks like something KVM related.

Looks like this is caused by a2c0844965534e2276e5b0c0dc8a0952658412a4,
which updated the s390 defconfig to optimize for z196. IIRC, support
for z196 was added with gcc 4.6, so either the buildbot's gcc needs to
be updated, or the config modified to build for an older revision.