From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756558AbbAHMOU (ORCPT ); Thu, 8 Jan 2015 07:14:20 -0500 Received: from gw-1.arm.linux.org.uk ([78.32.30.217]:52212 "EHLO pandora.arm.linux.org.uk" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754103AbbAHMOT (ORCPT ); Thu, 8 Jan 2015 07:14:19 -0500 Date: Thu, 8 Jan 2015 12:14:10 +0000 From: Russell King - ARM Linux To: Abhijit Ray Chaudhury Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: Question regarding Linux Bringup in ARMA9 platform Message-ID: <20150108121410.GT12302@n2100.arm.linux.org.uk> References: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Jan 08, 2015 at 03:42:29PM +0530, Abhijit Ray Chaudhury wrote: > Uncompressing Linux... done, booting the kernel. > Booting Linux on physical CPU 0 > Linux version 3.6.0-uc0 (gcc version 4.7.1 (crosstool-NG 1.16.0) ) #7 PREEMPT Tue Jan 6 12:29:13 IST 2015 > CPU: ARMv7 Processor [413fc090] revision 0 (ARMv7), cr=10c53c7f You're using a very old kernel, which leaves the alignment fault enabled,r ather than relying on the CPU to fix up alignment faults itself. Newer kernels should have this fixed. Or apply "ARM: 7150/1: Allow kernel unaligned accesses on ARMv6+ processors" -- FTTC broadband for 0.8mile line: currently at 9.5Mbps down 400kbps up according to speedtest.net.