From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 6362 invoked by alias); 25 Nov 2013 10:32:44 -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 6349 invoked by uid 89); 25 Nov 2013 10:32:43 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=0.8 required=5.0 tests=BAYES_20,FREEMAIL_FROM,RDNS_NONE,URIBL_BLOCKED autolearn=no version=3.3.2 X-HELO: smtp5-g21.free.fr Received: from Unknown (HELO smtp5-g21.free.fr) (212.27.42.5) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Mon, 25 Nov 2013 10:32:42 +0000 Received: from [192.168.0.13] (unknown [82.244.147.214]) by smtp5-g21.free.fr (Postfix) with ESMTP id 2C04BD48247; Mon, 25 Nov 2013 11:32:27 +0100 (CET) Message-ID: <5293273B.4080705@free.fr> Date: Mon, 25 Nov 2013 18:15:00 -0000 From: Guillaume Gardet Reply-To: guillaume.gardet@free.fr User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.1.0 MIME-Version: 1.0 To: Siddhesh Poyarekar CC: libc-ports@sourceware.org Subject: Re: ARM: non-NEON ARMv7 support broken? References: <529325AC.2020406@free.fr> In-Reply-To: OpenPGP: url=http://guillaume.gardet.free.fr/GPG/ClefGPGGuillaumeGardet.asc Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit X-SW-Source: 2013-11/txt/msg00050.txt.bz2 Le 25/11/2013 11:29, Siddhesh Poyarekar a écrit : > 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 Thanks a lot! Will try this patch. Guillaume > > Siddhesh