Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757932AbaGBVas (ORCPT ); Wed, 2 Jul 2014 17:30:48 -0400 Received: from mail-la0-f50.google.com ([209.85.215.50]:61496 "EHLO mail-la0-f50.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753368AbaGBVar (ORCPT ); Wed, 2 Jul 2014 17:30:47 -0400 MIME-Version: 1.0 In-Reply-To: <20140702142836.084d1ad63b049d53a2f51218@linux-foundation.org> References: <20140701000913.5ea51f77@gandalf.local.home> <20140702142836.084d1ad63b049d53a2f51218@linux-foundation.org> From: Andy Lutomirski Date: Wed, 2 Jul 2014 14:30:26 -0700 Message-ID: Subject: Re: [BUILD BUG][3.16-rc3] Error: too many copied sections (max = 13) To: Andrew Morton Cc: Steven Rostedt , LKML , Ingo Molnar , "H. Peter Anvin" , Linus Torvalds Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Jul 2, 2014 at 2:28 PM, Andrew Morton wrote: > On Tue, 1 Jul 2014 00:09:13 -0400 Steven Rostedt wrote: > >> Testing the latest kernel (3.16-rc3) I hit this build bug: >> >> VDSO2C arch/x86/vdso/vdso-image-64.c >> Error: too many copied sections (max = 13) >> /arch/x86/vdso/Makefile:61: recipe for target 'arch/x86/vdso/vdso-image-64.c' failed >> make[3]: *** [arch/x86/vdso/vdso-image-64.c] Error 1 >> /scripts/Makefile.build:404: recipe for target 'arch/x86/vdso' failed >> make[2]: *** [arch/x86/vdso] Error 2 >> >> I bisected it down to this commit: >> >> commit 0e3727a8839c988a3c56170bc8da76d55a16acad >> Author: Andy Lutomirski >> Date: Wed Jun 18 15:59:49 2014 -0700 >> >> x86/vdso: Remove some redundant in-memory section headers >> >> When I revert this commit, it compiles fine. > > When I revert that I get > > Error: cannot handle memsz != filesz > make[2]: *** [arch/x86/vdso/vdso-image-64.c] Error 1 > make[1]: *** [arch/x86/vdso] Error 2 > make[1]: *** Waiting for unfinished jobs.... > In file included from include/linux/poll.h:11, > from include/linux/ring_buffer.h:7, > from include/linux/ftrace_event.h:5, > from include/trace/syscall.h:6, > from include/linux/syscalls.h:80, > from kernel/capability.c:17: > > Productivity decline... I think that patch is a false alarm. It was almost certainly broken a little earlier. Nonetheless, I hereby give up. I'll try to get a patch out today or tomorrow to revert the reordering of vvar and the vdso. --Andy -- Andy Lutomirski AMA Capital Management, LLC -- 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/