From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 101881] [regression] 32bit steam games segfault when launched with DRI_PRIME=1 Date: Tue, 08 Aug 2017 15:08:55 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0450013039==" Return-path: Received: from culpepper.freedesktop.org (culpepper.freedesktop.org [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id CA20E6E08A for ; Tue, 8 Aug 2017 15:08:54 +0000 (UTC) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org --===============0450013039== Content-Type: multipart/alternative; boundary="15022049340.4Bff.16164"; charset="UTF-8" --15022049340.4Bff.16164 Date: Tue, 8 Aug 2017 15:08:54 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.freedesktop.org/ Auto-Submitted: auto-generated https://bugs.freedesktop.org/show_bug.cgi?id=3D101881 --- Comment #19 from Mike Lothian --- So I tried dropping the -march=3Dnative and now it all works no matter what version of GCC I use. So it looks like GCC 7+ is miscompiling 32bit apps wi= th -march=3Dnative=20 I then added in -mbmi which broke things again and I finally tested with -march=3Dnative -mno-bmi which worked --=20 You are receiving this mail because: You are the assignee for the bug.= --15022049340.4Bff.16164 Date: Tue, 8 Aug 2017 15:08:54 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.freedesktop.org/ Auto-Submitted: auto-generated

Comme= nt # 19 on bug 10188= 1 from Mike Lothian 
So I tried dropping the -march=3Dnative and now it all works n=
o matter what
version of GCC I use. So it looks like GCC 7+ is miscompiling 32bit apps wi=
th
-march=3Dnative=20

I then added in -mbmi which broke things again and I finally tested with
-march=3Dnative -mno-bmi which worked

You are receiving this mail because:
  • You are the assignee for the bug.
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