From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755425AbaHGWqX (ORCPT ); Thu, 7 Aug 2014 18:46:23 -0400 Received: from mail-pd0-f171.google.com ([209.85.192.171]:43719 "EHLO mail-pd0-f171.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751197AbaHGWqW (ORCPT ); Thu, 7 Aug 2014 18:46:22 -0400 Date: Thu, 7 Aug 2014 15:46:18 -0700 From: Brian Norris To: Nick Krause Cc: Fengguang Wu , Yuanhan Liu , "linux-kernel@vger.kernel.org" , dri-devel@lists.freedesktop.org, Su Tao , "linux-mtd@lists.infradead.org" , LKP , Jet Chen Subject: Re: [sbc_gxx] kernel BUG at include/linux/mtd/map.h:148! Message-ID: <20140807224618.GQ3711@ld-irv-0074> References: <20140805135947.GA5593@localhost> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, On Tue, Aug 05, 2014 at 08:08:57PM -0400, Nick Krause wrote: > On Tue, Aug 5, 2014 at 9:59 AM, Fengguang Wu wrote: > > Hello, > > > > This is an old BUG that still lives in linux-next. > > > > [ 4.284620] device id = 2670 > > [ 4.286157] SBC-GXx flash: IO:0x258-0x259 MEM:0xdc000-0xdffff > > [ 4.287060] ------------[ cut here ]------------ > > [ 4.287722] kernel BUG at include/linux/mtd/map.h:148! > > [ 4.288048] invalid opcode: 0000 [#1] PREEMPT SMP > > I am new , here and will try to trace your issue on linus's tree > unless there is a major difference between Linus's tree and > linux-next. > If there is please let me known before I start tracing this. This is a known issue, and Fengguang has reported this before: http://lists.infradead.org/pipermail/linux-mtd/2014-March/053019.html I'm still not quite sure how to solve this one. It seems to be a limitation of the kconfig language. Brian