Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755197AbYCLSLW (ORCPT ); Wed, 12 Mar 2008 14:11:22 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752203AbYCLSLN (ORCPT ); Wed, 12 Mar 2008 14:11:13 -0400 Received: from e31.co.us.ibm.com ([32.97.110.149]:49076 "EHLO e31.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752002AbYCLSLM (ORCPT ); Wed, 12 Mar 2008 14:11:12 -0400 Subject: Re: [BUG] 2.6.25-rc5-mm1 kernel panic with "Exception: 501 " on powerpc From: Badari Pulavarty To: Kamalesh Babulal Cc: Andrew Morton , lkml , linuxppc-dev@ozlabs.org, Andy Whitcroft In-Reply-To: <47D7D2C9.4090001@linux.vnet.ibm.com> References: <20080311011434.ad8c8d7d.akpm@linux-foundation.org> <47D7D2C9.4090001@linux.vnet.ibm.com> Content-Type: text/plain Date: Wed, 12 Mar 2008 10:14:36 -0800 Message-Id: <1205345676.23611.9.camel@dyn9047017100.beaverton.ibm.com> Mime-Version: 1.0 X-Mailer: Evolution 2.0.4 (2.0.4-4) Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1632 Lines: 41 On Wed, 2008-03-12 at 18:25 +0530, Kamalesh Babulal wrote: > Hi Andrew, > > The 2.6.25-rc5-mm1 kernel panics while bootup on powerpc > > returning from prom_init > Unable to handle kernel paging request for data at address 0x00000000 > Faulting instruction address: 0xc00000000000d5dc > cpu 0x0: Vector: 300 (Data Access) at [c0000000007636e0] > pc: c00000000000d5dc: .do_IRQ+0x74/0x1f4 > lr: c00000000000d5a8: .do_IRQ+0x40/0x1f4 > sp: c000000000763960 > msr: 8000000000001032 > dar: 0 > dsisr: 40000000 > current = 0xc000000000688e60 > paca = 0xc000000000689900 > pid = 0, comm = swapper > enter ? for help > [c000000000763a00] c000000000004c24 hardware_interrupt_entry+0x24/0x28 > --- Exception: 501 (Hardware Interrupt) at c0000000006021b0 .free_bootmem_core+0x94/0xcc > [link register ] c00000000060373c .free_bootmem_with_active_regions+0x78/0xb8 > [c000000000763cf0] c000000000602610 .init_bootmem_core+0x5c/0xfc (unreliable) > [c000000000763d80] c0000000005eb68c .do_init_bootmem+0x964/0xaf0 > [c000000000763e50] c0000000005e03b0 .setup_arch+0x1a4/0x218 > [c000000000763ee0] c0000000005d76bc .start_kernel+0xe8/0x424 > [c000000000763f90] c000000000008590 .start_here_common+0x60/0xd0 Is this only on one machine ? happens all the time ? I ran into similar issues on rc3-mm1. rc5-mm1 seems to be working fine for me on ppc64. Thanks, Badari -- 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/