Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752994Ab0AROWI (ORCPT ); Mon, 18 Jan 2010 09:22:08 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752594Ab0AROWH (ORCPT ); Mon, 18 Jan 2010 09:22:07 -0500 Received: from e23smtp08.au.ibm.com ([202.81.31.141]:33372 "EHLO e23smtp08.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752058Ab0AROWA (ORCPT ); Mon, 18 Jan 2010 09:22:00 -0500 Message-ID: <4B546E7B.2080900@in.ibm.com> Date: Mon, 18 Jan 2010 19:51:47 +0530 From: Sachin Sant User-Agent: Thunderbird 2.0.0.22 (X11/20090609) MIME-Version: 1.0 To: Greg KH , Kay Sievers CC: Stephen Rothwell , linux-next@vger.kernel.org, LKML , Heiko Carstens , linux-s390@vger.kernel.org Subject: [-next Jan 18] Boot failure on s390 with DEVTMPFS=y References: <20100118195743.b45f119e.sfr@canb.auug.org.au> In-Reply-To: <20100118195743.b45f119e.sfr@canb.auug.org.au> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2338 Lines: 56 Today next (next-20100118) failed to boot on a s390 box with the following Oops : Brought up 4 CPUs Unable to handle kernel pointer dereference at virtual kernel address 0000000000543000 Oops: 0004 #1 SMP Modules linked in: CPU: 0 Not tainted 2.6.33-rc4-autotest-next-20100118-5-default #1 Process swapper (pid: 1, task: 00000000fd792038, ksp: 00000000fd797a30) Krnl PSW : 0704200180000000 00000000001eb0b8 (shmem_parse_options+0xc0/0x328) R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:0 CC:2 PM:0 EA:3 Krnl GPRS: 000000000054388a 000000000000003d 0000000000543836 000000000000003d 0000000000000000 0000000000483f28 0000000000536112 00000000fd797d00 00000000fd4ba100 0000000000000100 0000000000483978 0000000000543832 0000000000000000 0000000000465958 00000000001eb0b0 00000000fd797c58 Krnl Code: 00000000001eb0aa: c0e5000994f1 brasl %r14,31da8c 00000000001eb0b0: b9020022 ltgr %r2,%r2 00000000001eb0b4: a784010b brc 8,1eb2ca >00000000001eb0b8: 92002000 mvi 0(%r2),0 00000000001eb0bc: a7080000 lhi %r0,0 00000000001eb0c0: 41902001 la %r9,1(%r2) 00000000001eb0c4: b9040016 lgr %r1,%r6 00000000001eb0c8: b904002b lgr %r2,%r11 Call Trace: (<00000000fd797c50> 0xfd797c50) <00000000001eb5da> shmem_fill_super+0x13a/0x25c <0000000000228cfa> get_sb_single+0xbe/0xdc <000000000034ffc0> dev_get_sb+0x2c/0x38 <000000000066c602> devtmpfs_init+0x46/0xc0 <000000000066c53e> driver_init+0x22/0x60 <000000000064d40a> kernel_init+0x24e/0x3d0 <000000000010a7ea> kernel_thread_starter+0x6/0xc <000000000010a7e4> kernel_thread_starter+0x0/0xc 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. Thanks -Sachin -- --------------------------------- Sachin Sant IBM Linux Technology Center India Systems and Technology Labs Bangalore, India --------------------------------- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/