From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751739AbcGRMxJ (ORCPT ); Mon, 18 Jul 2016 08:53:09 -0400 Received: from mout.kundenserver.de ([212.227.17.13]:55278 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750837AbcGRMxG (ORCPT ); Mon, 18 Jul 2016 08:53:06 -0400 From: Arnd Bergmann To: linux-arm-kernel@lists.infradead.org Cc: Fengguang Wu , devicetree@vger.kernel.org, Thierry Reding , linux-kernel@vger.kernel.org, linux-kbuild Subject: Re: running "make dtbs" for test builds Date: Mon, 18 Jul 2016 14:52:32 +0200 Message-ID: <1725840.UfqkDuJ4HB@wuerfel> User-Agent: KMail/5.1.3 (Linux/4.4.0-28-generic; KDE/5.18.0; x86_64; ; ) In-Reply-To: <20160718124122.GA30497@wfg-t540p.sh.intel.com> References: <8924490.SntxSU2FOC@wuerfel> <20160718124122.GA30497@wfg-t540p.sh.intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" X-Provags-ID: V03:K0:sX70dFs71wmaqmjDJgOywGqmLe+023+rrImLz5ul1vdyQjG4YfL 9b3PUnpxeXg2YSYZYFRhCGFwYXwBGaT1CoceiawPjQcluDoT00vPO6ymLpvUKFApyxmPoQJ na+AmTkDE62dOVB5/4QR4A8Jdm36Kri3pCDjAe4ORvmiMiQjcRyybtggp0QwTIWkC2hyYcl 27s5UspTQloTCZ6PFe9Ig== X-UI-Out-Filterresults: notjunk:1;V01:K0:Pmo1CepD5Uc=:sTk5Ns057tQEiRD6aclCW8 JqbjSc8BSAodoE6T9dQFIODi23NEaNHc/5S+QSlc4SYtRli+IEPIDJDtgTmACvdyO+5u01uVb qJDtx/ib86PEnUGsQtce30mIF10oDTktdhCZmR/2aAGWb25pmx6M1QB2+v4mwHx+oGu77pGNP NiA4w924dPGmK2vZB6nxbHRlSNoR2I46ASIlTOifmdZXOBQ+LqAaLw1Yafc2yPLQrJhUjITkI hWZS+2oPZsi6rZtv08HHvMTaHXIHQVUTx4CxCCPRN4BBmvOvWdYrmZMBn95LmSce0rvBIJG+B xvF1jCife2ZoaMU5j5X4JoEqsLa6h8UO1yl9YWy/DNjG485VkWGkf2NU2/LdCFGJaB6PaS2ho zkfro547y6LkRXQIrlGQl751/9ybRsiuyFeNt0TJZjXYSnzsB7dPmo/AFzD4h+cVi7YRjnP2F 0/eC0CoZ3Czu+8xGAIRsctV+iNIrd0ocz8TVyDt0rHZ0OIGBuDnwTD0t0rVr8mf/n8C+Fgld3 qGbOt7Jbh00TBmGSNuGKlYX5z7x9CIAftY8WH8tWMCtQ3zHJ5BjIMLeYcdgW5bLq+wjdM6p2y Ax/wn6fUAfh/H0puEmnraxIWJa+2y18U6YXi+chL4WWChvc9TqfaMgpx83r3dYi59VNM9suzt khwoJ++8yPi23qQ+7JIEV8dTrUeZ4IgeszavMjU1su2mFU0uM+7UP3Cz5dCISJS8wRGswidsG x/g/BdcQZVUjA2ky Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Monday, July 18, 2016 8:41:22 PM CEST Fengguang Wu wrote: > Hi Arnd, > > On Mon, Jul 18, 2016 at 02:01:17PM +0200, Arnd Bergmann wrote: > >Hi Fengguang, > > > >I've recently run into a number of cases in which I pulled a branch that > >was building fine with "make vmlinux", but that failed for "make dtbs", > >and I wonder if this is something that could be checked by the kbuild > >test robot so we catch it earlier. > > We initially run "make" without vmlinux, however during bisect more > specific make targets will be used to speed it up. To do that it's > necessary to know the regex patterns of "make dtbs" error messages, > so that they can be correctly bisected. > > Can you give some "make dtbs" error messages or patterns? > A typical error looks like Error: arch/arm/boot/dts/sun7i-a20-bananapi-m1-plus.dts:252.1-18 Label or path usb_power_supply not found FATAL ERROR: Syntax error parsing input tree scripts/Makefile.lib:312: recipe for target 'arch/arm/boot/dts/sun7i-a20-bananapi-m1-plus.dtb' failed make[3]: *** [arch/arm/boot/dts/sun7i-a20-bananapi-m1-plus.dtb] Error 1 There should be almost 100% correlation between seeing "arch/${ARCH}/boot/dts/" in stderr and having a problem in the "make dtbs" stage. Arnd