Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755140AbYCRFff (ORCPT ); Tue, 18 Mar 2008 01:35:35 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755876AbYCRF0h (ORCPT ); Tue, 18 Mar 2008 01:26:37 -0400 Received: from e32.co.us.ibm.com ([32.97.110.150]:41400 "EHLO e32.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755190AbYCRF0f (ORCPT ); Tue, 18 Mar 2008 01:26:35 -0400 Date: Tue, 18 Mar 2008 10:59:21 +0530 From: Sudhir Kumar To: linux-kernel@vger.kernel.org Cc: apw@shadowen.org, linuxppc-dev@ozlabs.org, akpm@linux-foundation.org, Poornima Nayak Subject: [BUG]2.6.25-rc6:Unable to handle kernel paging request Message-ID: <20080318052921.GA32259@in.ibm.com> Reply-To: skumar@linux.vnet.ibm.com MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.5.13 (2006-08-11) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3438 Lines: 90 Hi, I found the following bug at kernel boot up on my power machine with 2.6.25-rc6 kernel. USB Mass Storage support registered. mice: PS/2 mouse device common for all mice Unable to handle kernel paging request for data at address 0xd00008000000002e Faulting instruction address: 0xc00000000074ded8 cpu 0x0: Vector: 300 (Data Access) at [c00000003e073aa0] pc: c00000000074ded8: .f71805f_find+0x44/0x32c lr: c00000000074e1f8: .f71805f_init+0x38/0x194 sp: c00000003e073d20 msr: 8000000000009032 dar: d00008000000002e dsisr: 42000000 current = 0xc0000000220851c0 paca = 0xc0000000007c2700 pid = 1, comm = swapper enter ? for help [c00000003e073dc0] c00000000074e1f8 .f71805f_init+0x38/0x194 [c00000003e073ea0] c000000000724bdc .kernel_init+0x204/0x3c8 [c00000003e073f90] c000000000025df4 .kernel_thread+0x4c/0x68 For further reference some of the debug info is: 0:mon> r R00 = d00008000000002e R16 = 4000000001c00000 R01 = c00000003e073d20 R17 = c00000000066ecc8 R02 = c0000000008f4458 R18 = 0000000000000000 R03 = 000000000000002e R19 = 00000000003a1000 R04 = c00000003e073e30 R20 = 000000000235a3d0 R05 = c00000003e073e34 R21 = c00000000075a3d0 R06 = 0000000024000044 R22 = 000000000235a640 R07 = c000000000010bcc R23 = c00000000075a640 R08 = c00000003e073570 R24 = c00000000066fe90 R09 = d000080000000000 R25 = 0000000000000000 R10 = cf000000009c2d60 R26 = c00000003e070000 R11 = ffffffffffffff87 R27 = c00000003e073e30 R12 = 0000000000000000 R28 = c00000003e073e34 R13 = c0000000007c2700 R29 = 000000000000002e R14 = 0000000000000000 R30 = c000000000880278 R15 = c000000000670448 R31 = c00000000078e050 pc = c00000000074ded8 .f71805f_find+0x44/0x32c lr = c00000000074e1f8 .f71805f_init+0x38/0x194 msr = 8000000000009032 cr = 24000042 ctr = c00000000074e1c0 xer = 0000000000000005 trap = 300 dar = d00008000000002e dsisr = 42000000 0:mon> e cpu 0x0: Vector: 300 (Data Access) at [c00000003e073aa0] pc: c00000000074ded8: .f71805f_find+0x44/0x32c lr: c00000000074e1f8: .f71805f_init+0x38/0x194 sp: c00000003e073d20 msr: 8000000000009032 dar: d00008000000002e dsisr: 42000000 current = 0xc0000000220851c0 paca = 0xc0000000007c2700 pid = 1, comm = swapper 0:mon> di %pc c00000000074ded8 7d6919ae stbx r11,r9,r3 c00000000074dedc 39000001 li r8,1 c00000000074dee0 990d01dc stb r8,476(r13) c00000000074dee4 e93f0000 ld r9,0(r31) c00000000074dee8 7c034a14 add r0,r3,r9 c00000000074deec 7c0004ac sync c00000000074def0 7d6919ae stbx r11,r9,r3 c00000000074def4 990d01dc stb r8,476(r13) c00000000074def8 38800023 li r4,35 c00000000074defc 4bcc95e1 bl c0000000004174dc # .superio_inw+0x0/0x134 c00000000074df00 3940ffed li r10,-19 c00000000074df04 5463043e clrlwi r3,r3,16 c00000000074df08 2f831934 cmpwi cr7,r3,6452 c00000000074df0c 409e0260 bne cr7,c00000000074e16c # .f71805f_find+0x2d8/0x32c c00000000074df10 e93e8038 ld r9,-32712(r30) c00000000074df14 a0690000 lhz r3,0(r9) 0:mon> Thanks Sudhir Kumar ISTL, IBM Bangalore -- 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/