From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 2620 invoked by alias); 25 Nov 2013 10:29:14 -0000 Mailing-List: contact libc-ports-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Subscribe: List-Post: List-Help: , Sender: libc-ports-owner@sourceware.org Received: (qmail 2607 invoked by uid 89); 25 Nov 2013 10:29:14 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=-2.2 required=5.0 tests=AWL,BAYES_00,FREEMAIL_FROM,RDNS_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no version=3.3.2 X-HELO: mail-we0-f174.google.com Received: from Unknown (HELO mail-we0-f174.google.com) (74.125.82.174) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with (AES128-SHA encrypted) ESMTPS; Mon, 25 Nov 2013 10:29:13 +0000 Received: by mail-we0-f174.google.com with SMTP id q58so3602458wes.5 for ; Mon, 25 Nov 2013 02:29:04 -0800 (PST) MIME-Version: 1.0 X-Received: by 10.194.236.169 with SMTP id uv9mr108761wjc.73.1385375344044; Mon, 25 Nov 2013 02:29:04 -0800 (PST) Received: by 10.227.11.131 with HTTP; Mon, 25 Nov 2013 02:29:03 -0800 (PST) In-Reply-To: <529325AC.2020406@free.fr> References: <529325AC.2020406@free.fr> Date: Mon, 25 Nov 2013 10:32:00 -0000 Message-ID: Subject: Re: ARM: non-NEON ARMv7 support broken? From: Siddhesh Poyarekar To: guillaume.gardet@free.fr Cc: libc-ports@sourceware.org Content-Type: text/plain; charset=ISO-8859-1 X-IsSubscribed: yes X-SW-Source: 2013-11/txt/msg00049.txt.bz2 On 25 November 2013 15:55, Guillaume Gardet wrote: > Hi, > > we (openSUSE ARM team) have problems with glibc 2.18 on ARMv7 boards (Mirabox and Tegra 2 tablet) which are not NEON capable. We have no problem on Beagleboard xM or pandaboard wich have NEON capable SoC. > > Apparently, NEON instructions are used in glibc and lead to invalid instruction errors. > > Reverting to glibc 2.17 from previous openSUSE version fixes the problems. > > Is there anything we missed between 2.17 and 2.18? > > Should glibc detect NEON capable CPU at run time? That sounds like: https://sourceware.org/bugzilla/show_bug.cgi?id=15905 Siddhesh -- http://siddhesh.in