From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:49592) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gXmh6-0007tQ-NK for qemu-devel@nongnu.org; Fri, 14 Dec 2018 07:35:54 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gXmh2-00063g-JS for qemu-devel@nongnu.org; Fri, 14 Dec 2018 07:35:52 -0500 Received: from indium.canonical.com ([91.189.90.7]:43374) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1gXmh2-00063G-BN for qemu-devel@nongnu.org; Fri, 14 Dec 2018 07:35:48 -0500 Received: from loganberry.canonical.com ([91.189.90.37]) by indium.canonical.com with esmtp (Exim 4.86_2 #2 (Debian)) id 1gXmh0-0002vW-9w for ; Fri, 14 Dec 2018 12:35:46 +0000 Received: from loganberry.canonical.com (localhost [127.0.0.1]) by loganberry.canonical.com (Postfix) with ESMTP id 341FD2E8081 for ; Fri, 14 Dec 2018 12:35:46 +0000 (UTC) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Date: Fri, 14 Dec 2018 12:29:38 -0000 From: John Paul Adrian Glaubitz Reply-To: Bug 1796520 <1796520@bugs.launchpad.net> Sender: bounces@canonical.com References: <153886120838.22456.12836438866392888832.malonedeb@gac.canonical.com> Message-Id: <154479057842.1298.8235426186557744129.malone@chaenomeles.canonical.com> Errors-To: bounces@canonical.com Subject: [Qemu-devel] [Bug 1796520] Re: autogen crashes on qemu-sh4-user after 61dedf2af7 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org This is still reproducible on git master: (sid-sh4-sbuild)root@nofan:/# autogen Unhandled trap: 0x180 pc=3D0x7f4da99e sr=3D0x00000000 pr=3D0x7f3bfc74 fpscr=3D0x00080000 spc=3D0x00000000 ssr=3D0x00000000 gbr=3D0x7f114320 vbr=3D0x00000000 sgr=3D0x00000000 dbr=3D0x00000000 delayed_pc=3D0x7f4da960 fpul=3D0x00000003 r0=3D0x7ffc130c r1=3D0x00000000 r2=3D0xffff5dc4 r3=3D0x7f7bfb54 r4=3D0x7ffc121c r5=3D0x7ffc1408 r6=3D0x000003ff r7=3D0x00000000 r8=3D0x00000004 r9=3D0x7f3e80bc r10=3D0x7ffc1408 r11=3D0x7f3e88f0 r12=3D0x7f3e8258 r13=3D0x7f3f0e1c r14=3D0x00000804 r15=3D0x7ffc120c r16=3D0x00000000 r17=3D0x00000000 r18=3D0x00000000 r19=3D0x00000000 r20=3D0x00000000 r21=3D0x00000000 r22=3D0x00000000 r23=3D0x00000000 (sid-sh4-sbuild)root@nofan:/# Can we just revert 61dedf2af7 which fixes the problem? -- = You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1796520 Title: autogen crashes on qemu-sh4-user after 61dedf2af7 Status in QEMU: New Bug description: Running "autogen --help" crashes on qemu-sh4-user with: (sid-sh4-sbuild)root@nofan:/# autogen --help Unhandled trap: 0x180 pc=3D0xf64dd2de sr=3D0x00000000 pr=3D0xf63b9c74 fpscr=3D0x00080000 spc=3D0x00000000 ssr=3D0x00000000 gbr=3D0xf61102a8 vbr=3D0x00000000 sgr=3D0x00000000 dbr=3D0x00000000 delayed_pc=3D0xf64dd2a0 fpul=3D0x000000= 03 r0=3D0xf6fc1320 r1=3D0x00000000 r2=3D0xffff5dc4 r3=3D0xf67bfb50 r4=3D0xf6fc1230 r5=3D0xf6fc141c r6=3D0x000003ff r7=3D0x00000000 r8=3D0x00000004 r9=3D0xf63e20bc r10=3D0xf6fc141c r11=3D0xf63e28f0 r12=3D0xf63e2258 r13=3D0xf63eae1c r14=3D0x00000804 r15=3D0xf6fc1220 r16=3D0x00000000 r17=3D0x00000000 r18=3D0x00000000 r19=3D0x00000000 r20=3D0x00000000 r21=3D0x00000000 r22=3D0x00000000 r23=3D0x00000000 (sid-sh4-sbuild)root@nofan:/# Bi-secting found this commit to be the culprit: 61dedf2af79fb5866dc7a0f972093682f2185e17 is the first bad commit commit 61dedf2af79fb5866dc7a0f972093682f2185e17 Author: Richard Henderson Date: Tue Jul 18 10:02:50 2017 -1000 target/sh4: Add missing FPSCR.PR =3D=3D 0 checks = Both frchg and fschg require PR =3D=3D 0, otherwise undefined_operati= on. = Reviewed-by: Aurelien Jarno Signed-off-by: Richard Henderson Message-Id: <20170718200255.31647-26-rth@twiddle.net> Signed-off-by: Aurelien Jarno :040000 040000 980d79b69ae712f23a1e4c56983e97a843153b4a 1024c109f506c7ad57367c63bc8bbbc8a7a36cd7 M target Reverting 61dedf2af79fb5866dc7a0f972093682f2185e17 fixes the problem for me. To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1796520/+subscriptions