Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756286AbYGRJPS (ORCPT ); Fri, 18 Jul 2008 05:15:18 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754309AbYGRJPF (ORCPT ); Fri, 18 Jul 2008 05:15:05 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:35640 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754623AbYGRJPD (ORCPT ); Fri, 18 Jul 2008 05:15:03 -0400 Date: Fri, 18 Jul 2008 11:14:41 +0200 From: Ingo Molnar To: Dhaval Giani Cc: Thomas Gleixner , lkml , Jeremy Fitzhardinge , "H. Peter Anvin" Subject: Re: Current git fails to compile Message-ID: <20080718091441.GR6875@elte.hu> References: <20080718075340.GC16453@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080718075340.GC16453@linux.vnet.ibm.com> User-Agent: Mutt/1.5.18 (2008-05-17) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.3 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1759 Lines: 50 * Dhaval Giani wrote: > Hi Ingo, Thomas, > > Today's git fails to compile for me with > (5b664cb235e97afbf34db9c4d77f08ebd725335e) > > arch/x86/mm/pgtable.c: In function `pgd_mop_up_pmds': > arch/x86/mm/pgtable.c:194: warning: unused variable `pmd' > arch/x86/mm/pgtable.c: In function `pgd_prepopulate_pmd': > arch/x86/mm/pgtable.c:222: internal compiler error: in remove_insn, at > emit-rtl.c:3829 > Please submit a full bug report, > with preprocessed source if appropriate. > See for instructions. > Preprocessed source stored into /tmp/ccJG8rDB.out file, please attach > this to your bugreport. > make[1]: *** [arch/x86/mm/pgtable.o] Error 1 > make: *** [arch/x86/mm] Error 2 > [root@llm11 linux-2.6]# > > [root@llm11 linux-2.6]# gcc -v > Reading specs from /usr/lib/gcc/i386-redhat-linux/3.4.4/specs > Configured with: ../configure --prefix=/usr --mandir=/usr/share/man > --infodir=/usr/share/info --enable-shared --enable-threads=posix > --disable-checking --with-system-zlib --enable-__cxa_atexit > --disable-libunwind-exceptions --enable-java-awt=gtk > --host=i386-redhat-linux > Thread model: posix > gcc version 3.4.4 20050721 (Red Hat 3.4.4-2) > [root@llm11 linux-2.6]# so old-gcc crapped up. Any chance you could try something like: git-bisect good v2.6.26 git-bisect bad linus/master git-bisect run make arch/x86/mm/pgtable.o ... if we know which change caused this maybe we can work this gcc bug around. Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/