From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752791AbcBOK7T (ORCPT ); Mon, 15 Feb 2016 05:59:19 -0500 Received: from metis.ext.4.pengutronix.de ([92.198.50.35]:40874 "EHLO metis.ext.4.pengutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751092AbcBOK7N (ORCPT ); Mon, 15 Feb 2016 05:59:13 -0500 Date: Mon, 15 Feb 2016 11:59:09 +0100 From: Uwe =?iso-8859-1?Q?Kleine-K=F6nig?= To: Guenter Roeck Cc: Greg Kroah-Hartman , linux-kernel@vger.kernel.org, linux-next@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: arm qemu test failures due to 'driver-core: platform: probe of-devices only using list of compatibles' Message-ID: <20160215105909.GH12289@pengutronix.de> References: <20160214165010.GA3189@roeck-us.net> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20160214165010.GA3189@roeck-us.net> User-Agent: Mutt/1.5.23 (2014-03-12) X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::c0 X-SA-Exim-Mail-From: ukl@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello Guenter, On Sun, Feb 14, 2016 at 08:50:10AM -0800, Guenter Roeck wrote: > Uwe, > > Your patch 'driver-core: platform: probe of-devices only using list of > compatibles' causes the following qemu tests to crash in -next. > > arm:vexpress-a9:vexpress_defconfig:vexpress-v2p-ca9 > arm:vexpress-a15:vexpress_defconfig:vexpress-v2p-ca15-tc1 > arm:vexpress-a9:multi_v7_defconfig:vexpress-v2p-ca9 > arm:vexpress-a15:multi_v7_defconfig:vexpress-v2p-ca15-tc1 > > Crash log: > > VFS: Cannot open root device "mmcblk0" or unknown-block(0,0): error -6 > Please append a correct "root=" boot option; here are the available partitions: > 1f00 131072 mtdblock0 (driver?) > 1f01 32768 mtdblock1 (driver?) > Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(0,0) Can you provide a complete boot log? This might already reveal which device is failing. It might not be the mmci device but something it depends on (clock, bus parent, irq). Best regards Uwe -- Pengutronix e.K. | Uwe Kleine-König | Industrial Linux Solutions | http://www.pengutronix.de/ |