From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 60600 invoked by alias); 12 Jan 2017 02:11:54 -0000 Mailing-List: contact libc-alpha-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: libc-alpha-owner@sourceware.org Received: (qmail 60451 invoked by uid 89); 12 Jan 2017 02:11:54 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-1.9 required=5.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_NONE,SPF_PASS,URIBL_RED autolearn=ham version=3.3.2 spammy= X-HELO: relay1.mentorg.com Date: Thu, 12 Jan 2017 02:11:00 -0000 From: Joseph Myers To: Tulio Magno Quites Machado Filho CC: Subject: Re: build-many-glibcs.py failures for powerpc In-Reply-To: <87fukxl5nt.fsf@linux.vnet.ibm.com> Message-ID: References: <87fukxl5nt.fsf@linux.vnet.ibm.com> User-Agent: Alpine 2.20 (DEB 67 2015-01-07) MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" X-ClientProxiedBy: svr-ies-mbx-01.mgc.mentorg.com (139.181.222.1) To svr-ies-mbx-01.mgc.mentorg.com (139.181.222.1) X-SW-Source: 2017-01/txt/msg00223.txt.bz2 On Thu, 5 Jan 2017, Tulio Magno Quites Machado Filho wrote: > Joseph Myers writes: > > > In tests with mainline GCC and binutils I see: > > > > FAIL: glibcs-powerpc-linux-gnu check > > FAIL: glibcs-powerpc-linux-gnu-power4 check > > FAIL: glibcs-powerpc64le-linux-gnu check > > > > https://sourceware.org/ml/libc-testresults/2017-q1/msg00026.html > > > > The first two are elf/check-textrel failing for libm.so. The third is > > elf/check-localplt failing ("Extra PLT reference: libc.so: strncmp"). > > There are no such failures for powerpc64 big endian or for soft float / > > e500. I suppose the first two might be GCC / binutils bugs, given that I > > don't see them with the bot using GCC 6 branch and binutils 2.28 branch. > > I don't know how long any of these failures have been around, since > > previously they'd have been hidden by the warnings causing failures for > > all architectures. > > I've never seen them on my tests. The only elf testcase failing here is > elf/tst-tls-manydynamic (BZ #20915). I've traced the 32-bit failures to a GCC bug (however, the revision implicated by bisection looks like it probably just exposed a latent bug elsewhere). https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79066 -- Joseph S. Myers joseph@codesourcery.com