From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 67586 invoked by alias); 27 May 2017 16:09:02 -0000 Mailing-List: contact gcc-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-owner@gcc.gnu.org Received: (qmail 67562 invoked by uid 89); 27 May 2017 16:09:02 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=1.8 required=5.0 tests=BAYES_50,KAM_LAZY_DOMAIN_SECURITY,RCVD_IN_DNSWL_NONE autolearn=no version=3.3.2 spammy=blvd, Alto, palo, Palo X-HELO: resqmta-po-03v.sys.comcast.net Received: from resqmta-po-03v.sys.comcast.net (HELO resqmta-po-03v.sys.comcast.net) (96.114.154.162) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Sat, 27 May 2017 16:09:00 +0000 Received: from resomta-po-01v.sys.comcast.net ([96.114.154.225]) by resqmta-po-03v.sys.comcast.net with SMTP id EeH0dBUGBWFyREeH0dXcwa; Sat, 27 May 2017 16:09:02 +0000 Received: from vm-fedora21.eagercon.com ([IPv6:2601:647:4d04:5190:20c:29ff:fe70:d3be]) by resomta-po-01v.sys.comcast.net with SMTP id EeGyd0quiPheQEeGyd0sTM; Sat, 27 May 2017 16:09:01 +0000 Subject: Re: regression for microblaze architecture To: Waldemar Brodkorb , gcc@gcc.gnu.org References: <20170527085122.GB24800@waldemar-brodkorb.de> Cc: Ajit Agarwal , buildroot@buildroot.org, dev@openadk.org, Thomas Petazzoni From: Michael Eager Message-ID: <5929A49C.1080803@eagerm.com> Date: Sat, 27 May 2017 16:09:00 -0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.1.0 MIME-Version: 1.0 In-Reply-To: <20170527085122.GB24800@waldemar-brodkorb.de> Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit X-CMAE-Envelope: MS4wfB+E+GaPrmGih9yNu/jCFa9+o6J7jJKeDep4IRaV3rGR1Yh1yFuGgqeBsXxqLMTzhXxl6V+e2jedIP/j2ZdHLaY0WCd1xU5UleXTYmF5w8etPcPyxtCR f/ervXYxyixPyXj3sRrM+Pm+HtuW06YAbW2c7r5T1HwTAOFeVcBLhkihA3sVOTS+VXIwRXwfbvJSCMlYuHH1Ce2MGDaA40l6XH4UvPf0CeibaW9fTmFLQbCE quFrtk0h6P+sPy1hqR43tKMg8rX6RU4S/1WX0zMaBNyW8UWKgKIm00xqxSeklYXo6u2a8x2NX5Edw2bf/uzCQ1p42qeZK8viTzq1RaXV5G4= X-IsSubscribed: yes X-SW-Source: 2017-05/txt/msg00223.txt.bz2 On 05/27/2017 01:51 AM, Waldemar Brodkorb wrote: > Hi, > > Buildroot and OpenADK have samples to create a Linux system to be > bootup in Qemu system emulation for microblaze architecture. > > With gcc 6.3 and 7.1 the samples are not working anymore, > because the Linux system userland does not boot. > Qemu 2.9.0: > Kernel panic - not syncing: Attempted to kill init! > exitcode=0x0000000b > (with glibc, musl and uClibc-ng toolchains) > > I bisected gcc source code and found the bad commit: > 6dcad60c0ef48af584395a40feeb256fb82986a8 > > When reverting the change, gcc 6.3 and 7.1 produces working > Linux rootfs again. > > What can we do about it? I will revert this commit in GCC. -- Michael Eager eager@eagercon.com 1960 Park Blvd., Palo Alto, CA 94306 650-325-8077