From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kay Sievers Subject: Re: [-next Jan 18] Boot failure on s390 with DEVTMPFS=y Date: Mon, 18 Jan 2010 15:31:09 +0100 Message-ID: References: <20100118195743.b45f119e.sfr@canb.auug.org.au> <4B546E7B.2080900@in.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Return-path: Received: from mail-bw0-f227.google.com ([209.85.218.227]:47335 "EHLO mail-bw0-f227.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751775Ab0AROb1 (ORCPT ); Mon, 18 Jan 2010 09:31:27 -0500 In-Reply-To: <4B546E7B.2080900@in.ibm.com> Sender: linux-next-owner@vger.kernel.org List-ID: To: Sachin Sant Cc: Greg KH , Stephen Rothwell , linux-next@vger.kernel.org, LKML , Heiko Carstens , linux-s390@vger.kernel.org On Mon, Jan 18, 2010 at 15:21, Sachin Sant wrote: > Today next (next-20100118) failed to boot on a s390 box > with the following Oops : > Unable to handle kernel pointer dereference at virtual kernel address > 0000000000543000 > <00000000001eb5da> shmem_fill_super+0x13a/0x25c > <0000000000228cfa> get_sb_single+0xbe/0xdc > <000000000034ffc0> dev_get_sb+0x2c/0x38 > <000000000066c602> devtmpfs_init+0x46/0xc0 > Previous next builds worked fine on the same box. The only difference > between configs of the two builds was CONFIG_DEVTMPFS. This option was > enabled while compiling 20100118. Heiko Carstens posted a simple patch to work around the issue that s390 write-protects the string, the option parser tries to modify. When Greg has pick it up, this should be fixed. Thanks, Kay