From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758602AbYDNMLr (ORCPT ); Mon, 14 Apr 2008 08:11:47 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754177AbYDNMLh (ORCPT ); Mon, 14 Apr 2008 08:11:37 -0400 Received: from E23SMTP06.au.ibm.com ([202.81.18.175]:50735 "EHLO e23smtp06.au.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753734AbYDNMLg (ORCPT ); Mon, 14 Apr 2008 08:11:36 -0400 Message-ID: <480349EB.8040708@linux.vnet.ibm.com> Date: Mon, 14 Apr 2008 17:41:23 +0530 From: Kamalesh Babulal User-Agent: Thunderbird 1.5.0.14ubu (X11/20080306) MIME-Version: 1.0 To: Stephen Rothwell CC: linux-next@vger.kernel.org, LKML , yhlu.kernel@gmail.com, Andrew Morton , ", pbadari@us.ibm.com, michael@ellerman.id.au, Andy Whitcroft "@d23av01.au.ibm.com Subject: [BUG] linux-next: Tree for April 14 - kernel BUG at arch/powerpc/mm/init_64.c:240! (fixed in -mm) References: <20080414203423.22bf99d1.sfr@canb.auug.org.au> In-Reply-To: <20080414203423.22bf99d1.sfr@canb.auug.org.au> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Stephen, The next-20080414 kernel panic's while booting up on the ppc machines. The same was seen in the 2.6.25-rc8-mm1 kernel and was fixed by the patch at http://lkml.org/lkml/2008/4/2/650 ------------[ cut here ]------------ kernel BUG at arch/powerpc/mm/init_64.c:240! Oops: Exception in kernel mode, sig: 5 [#1] SMP NR_CPUS=128 NUMA pSeries Modules linked in: NIP: c0000000006ca18c LR: c0000000006ca184 CTR: 0000000000000000 REGS: c00000000081f950 TRAP: 0700 Not tainted (2.6.25-rc9-next-20080414-x86-latest.git-autotest) MSR: 8000000000021032 CR: 24000088 XER: 20000001 TASK = c0000000007334d0[0] 'swapper' THREAD: c00000000081c000 CPU: 0 GPR00: c0000000006ca184 c00000000081fbd0 c00000000081c778 0000000000000001 GPR04: c0000000006def90 000000000000016e 0000000000000170 0000000000001090 GPR08: 0000000207038208 0000000000000000 0000000000000001 800000000ed93080 GPR12: c00000000081fae0 c000000000733e80 0000000000000000 c0000000005f4788 GPR16: 4000000002100000 c0000000005f3010 0000000000000000 000000000023f000 GPR20: 00000000027d07d8 c0000000006d07d8 00000000027d0a48 c0000000006d0a48 GPR24: c0000000005f41c8 0000000002b00000 0000000000000000 0000000000000000 GPR28: cf000000001f8000 cf00000001000000 0000000001000000 cf00000000000000 NIP [c0000000006ca18c] .vmemmap_populate+0xbc/0x100 LR [c0000000006ca184] .vmemmap_populate+0xb4/0x100 Call Trace: [c00000000081fbd0] [c0000000006ca184] .vmemmap_populate+0xb4/0x100 (unreliable) [c00000000081fc70] [c0000000006cae08] .sparse_mem_map_populate+0x38/0x5c [c00000000081fd00] [c0000000006b8db0] .sparse_early_mem_map_alloc+0x54/0x94 [c00000000081fd90] [c0000000006b91d8] .sparse_init+0x1dc/0x218 [c00000000081fe40] [c0000000006a54f4] .setup_arch+0x1ac/0x218 [c00000000081fed0] [c00000000069c6c0] .start_kernel+0xec/0x464 [c00000000081ff90] [c000000000008524] .start_here_common+0x54/0xb0 Instruction dump: 7fe3fb78 7ca02a14 4082000c 3860fff4 48000040 e9228980 e9628988 e8e90002 e90b0002 4b961ab1 60000000 78630fe0 <0b030000> 7ffff214 7fbdf214 7fbfe040 ---[ end trace 8640abe69a316dee ]--- Kernel panic - not syncing: Attempted to kill the idle task! Call Trace: [c00000000081f470] [c00000000000f970] .show_stack+0x70/0x1bc (unreliable) [c00000000081f520] [c0000000000540fc] .panic+0x80/0x1b8 [c00000000081f5c0] [c000000000058ca4] .do_exit+0x8c/0x758 [c00000000081f680] [c0000000000235cc] .die+0x24c/0x27c [c00000000081f720] [c0000000000238fc] ._exception+0x88/0x204 [c00000000081f8e0] [c000000000004a84] program_check_common+0x104/0x180 --- Exception: 700 at .vmemmap_populate+0xbc/0x100 LR = .vmemmap_populate+0xb4/0x100 [c00000000081fc70] [c0000000006cae08] .sparse_mem_map_populate+0x38/0x5c [c00000000081fd00] [c0000000006b8db0] .sparse_early_mem_map_alloc+0x54/0x94 [c00000000081fd90] [c0000000006b91d8] .sparse_init+0x1dc/0x218 [c00000000081fe40] [c0000000006a54f4] .setup_arch+0x1ac/0x218 [c00000000081fed0] [c00000000069c6c0] .start_kernel+0xec/0x464 [c00000000081ff90] [c000000000008524] .start_here_common+0x54/0xb0 -- Thanks & Regards, Kamalesh Babulal, Linux Technology Center, IBM, ISTL.