Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753508AbYCRHZq (ORCPT ); Tue, 18 Mar 2008 03:25:46 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752076AbYCRHZh (ORCPT ); Tue, 18 Mar 2008 03:25:37 -0400 Received: from smtp1.linux-foundation.org ([140.211.169.13]:42704 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751697AbYCRHZf (ORCPT ); Tue, 18 Mar 2008 03:25:35 -0400 Date: Tue, 18 Mar 2008 00:25:02 -0700 From: Andrew Morton To: "Sabuj Pattanayek" Cc: linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org, "Moore, Eric Dean" Subject: Re: kernel exception in Fusion MPT base driver 3.04.06 (linux-2.6.24.3) Message-Id: <20080318002502.852d0f12.akpm@linux-foundation.org> In-Reply-To: References: X-Mailer: Sylpheed 2.4.8 (GTK+ 2.12.5; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 8478 Lines: 167 On Mon, 17 Mar 2008 18:29:28 -0500 "Sabuj Pattanayek" wrote: > Hi, Let's add some cc's. > I'm running (uname -a): > > Linux porpoise 2.6.24.3 #11 Mon Mar 17 17:24:30 CDT 2008 ppc64 > PPC970FX, altivec supported RackMac3,1 GNU/Linux > > on an Apple Xserve G5. With the following fibre channel card (lspci > -vvv, it has two fibre connections): > > 0001:06:03.0 Fibre Channel: LSI Logic / Symbios Logic FC929X Fibre > Channel Adapter (rev 81) > Subsystem: LSI Logic / Symbios Logic Unknown device 10d0 > Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- > ParErr- Stepping- SERR- FastB2B- DisINTx- > Status: Cap+ 66MHz+ UDF- FastB2B- ParErr- DEVSEL=medium > >TAbort- SERR- Latency: 16 (16000ns min, 2500ns max), Cache Line Size: 64 bytes > Interrupt: pin A routed to IRQ 53 > Region 0: I/O ports at 0400 [size=256] > Region 1: Memory at 90030000 (64-bit, non-prefetchable) [size=64K] > Region 3: Memory at 90020000 (64-bit, non-prefetchable) [size=64K] > Expansion ROM at 90200000 [disabled] [size=1M] > Capabilities: [50] Power Management version 2 > Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA > PME(D0-,D1-,D2-,D3hot-,D3cold-) > Status: D0 PME-Enable- DSel=0 DScale=0 PME- > Capabilities: [58] Message Signalled Interrupts: Mask- 64bit+ > Queue=0/0 Enable- > Address: 0000000000000000 Data: 0000 > Capabilities: [68] PCI-X non-bridge device > Command: DPERE- ERO- RBC=2048 OST=8 > Status: Dev=ff:1f.0 64bit+ 133MHz+ SCD- USC- DC=simple > DMMRBC=2048 DMOST=8 DMCRS=64 RSCEM- 266MHz- 533MHz- > > 0001:06:03.1 Fibre Channel: LSI Logic / Symbios Logic FC929X Fibre > Channel Adapter (rev 81) > Subsystem: LSI Logic / Symbios Logic Unknown device 10d0 > Control: I/O- Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- > ParErr- Stepping- SERR- FastB2B- DisINTx- > Status: Cap+ 66MHz+ UDF- FastB2B- ParErr- DEVSEL=medium > >TAbort- SERR- Latency: 16 (16000ns min, 2500ns max), Cache Line Size: 64 bytes > Interrupt: pin B routed to IRQ 53 > Region 0: I/O ports at [disabled] > Region 1: Memory at 90010000 (64-bit, non-prefetchable) > [disabled] [size=64K] > Region 3: Memory at 90000000 (64-bit, non-prefetchable) > [disabled] [size=64K] > Expansion ROM at 90100000 [disabled] [size=1M] > Capabilities: [50] Power Management version 2 > Flags: PMEClk- DSI- D1+ D2+ AuxCurrent=0mA > PME(D0-,D1-,D2-,D3hot-,D3cold-) > Status: D0 PME-Enable- DSel=0 DScale=0 PME- > Capabilities: [58] Message Signalled Interrupts: Mask- 64bit+ > Queue=0/0 Enable- > Address: 0000000000000000 Data: 0000 > Capabilities: [68] PCI-X non-bridge device > Command: DPERE- ERO- RBC=2048 OST=8 > Status: Dev=ff:1f.1 64bit+ 133MHz+ SCD- USC- DC=simple > DMMRBC=2048 DMOST=8 DMCRS=64 RSCEM- 266MHz- 533MHz- > > After doing "modprobe mptfc" I get the following kernel exception > (dmesg output): > > Fusion MPT base driver 3.04.06 > Copyright (c) 1999-2007 LSI Corporation > Fusion MPT FC Host driver 3.04.06 > PCI: Enabling device: (0001:06:03.0), cmd 7 > mptbase: ioc0: Initiating bringup > ioc0: LSIFC929XL A1: Capabilities={Initiator,Target,LAN} > scsi4 : ioc0: LSIFC929XL A1, FwRev=01020e00h, Ports=1, MaxQ=1023, IRQ=53 > mptfc: ioc0: FC Link Established, Speed = 2 Gbps > Oops: Exception in kernel mode, sig: 4 [#1] > PowerMac > Modules linked in: mptfc mptscsih mptbase > NIP: d000000000144984 LR: d00000000014923c CTR: 0000000000000000 > REGS: c0000001387ef8f0 TRAP: 0700 Not tainted (2.6.24.3) > MSR: 9000000000089032 CR: 24002028 XER: 00000000 > TASK = c0000001388db040[12431] 'mptfc_wq_4' THREAD: c0000001387ec000 > GPR00: 00000000000000d3 c0000001387efb70 d000000000163b70 c000000138a8af1c > GPR04: 00000000d3000000 00000000ffffffff 0000000000000000 c000000138a8af00 > GPR08: fffffffffffffffd 00000000000000ff 0000000000000000 00000000ffffffff > GPR12: d000000000150040 c0000000006f8280 000000000023fb28 c0000000005e25e0 > GPR16: c0000001387efcb0 c0000001380dd758 c0000001387efcc0 c000000138978000 > GPR20: 0000000000000000 c0000001387da000 000000000000067d c0000001380dd454 > GPR24: c0000001387dd3e8 0000000000010000 d000000000159b87 c0000001380dd000 > GPR28: c0000001387efcc0 c0000001387efcd0 d000000000162500 c000000138a8af00 > NIP [d000000000144984] .mpt_add_sge+0x14/0x50 [mptbase] > LR [d00000000014923c] .mpt_config+0x16c/0x3b0 [mptbase] > Call Trace: > [c0000001387efb70] [d000000000149120] .mpt_config+0x50/0x3b0 [mptbase] > (unreliable) > [c0000001387efc40] [d00000000015ec8c] .mptfc_rescan_devices+0x17c/0x780 [mptfc] > [c0000001387efda0] [c0000000000548ac] .run_workqueue+0xec/0x1d0 > [c0000001387efe40] [c0000000000556cc] .worker_thread+0xdc/0x190 > [c0000001387eff00] [c00000000005a2e8] .kthread+0xc8/0xe0 > [c0000001387eff90] [c0000000000217cc] .kernel_thread+0x4c/0x68 > Instruction dump: > 200000d0 230fff00 210000d0 00010000 02010010 08002500 09200100 03090006 > 230fff00 200000d0 230fff00 210000d0 <00010000> 02010010 08002500 09200100 > ---[ end trace 45fe87d4d747696e ]--- OK, mtp-fusion seems to have gone splat. > Unable to handle kernel paging request for data at address 0x230fff00210000d0 > Faulting instruction address: 0xc000000000077658 > Oops: Kernel access of bad area, sig: 11 [#2] > PowerMac > Modules linked in: mptfc mptscsih mptbase > NIP: c000000000077658 LR: c000000000077624 CTR: 000000000000000c > REGS: c00000013a3b7530 TRAP: 0300 Tainted: G D (2.6.24.3) > MSR: 9000000000009032 CR: 24002028 XER: 00000000 > DAR: 230fff00210000d0, DSISR: 0000000040000000 > TASK = c00000013a38a810[156] 'pdflush' THREAD: c00000013a3b4000 > GPR00: 0000000000000010 c00000013a3b77b0 c0000000007e8218 000000000000000e > GPR04: 000000000000000e 00000000000008e8 c00000013897e6b8 0000000000024000 > GPR08: 0000000000000002 0000000000000002 230fff00210000d0 0000000000000003 > GPR12: 0000000000000010 c0000000006f8280 000000000023fb28 c0000000005e25e0 > GPR16: c0000000006c6460 c00000013924fb28 0000000000000000 c00000013a3b7948 > GPR20: c00000000078e2a0 0000000000000000 c0000001381dd440 c00000013924fb28 > GPR24: ffffffffffffffff 000000000000000e 0000000000000000 c00000013a3b7da8 > GPR28: c00000013a3b7940 000000000000000e c000000000765818 c00000013a3b7958 > NIP [c000000000077658] .find_get_pages_tag+0x78/0x100 > LR [c000000000077624] .find_get_pages_tag+0x44/0x100 > Call Trace: > [c00000013a3b77b0] [c000000000110330] > .ext3_ordered_writepage+0x180/0x1e0 (unreliable) > [c00000013a3b7840] [c0000000000825fc] .pagevec_lookup_tag+0x2c/0x50 > [c00000013a3b78d0] [c000000000080150] .write_cache_pages+0x1d0/0x450 > [c00000013a3b7a50] [c0000000000804b4] .do_writepages+0xa4/0xb0 > [c00000013a3b7ad0] [c0000000000cbf60] .__writeback_single_inode+0xb0/0x3c0 > [c00000013a3b7bd0] [c0000000000cc724] .sync_sb_inodes+0x224/0x390 > [c00000013a3b7c90] [c0000000000ccbb4] .writeback_inodes+0xe4/0x110 > [c00000013a3b7d30] [c0000000000810f0] .wb_kupdate+0xf0/0x190 > [c00000013a3b7e30] [c000000000081a28] .pdflush+0x178/0x280 > [c00000013a3b7f00] [c00000000005a2e8] .kthread+0xc8/0xe0 > [c00000013a3b7f90] [c0000000000217cc] .kernel_thread+0x4c/0x68 > Instruction dump: > 7c7d1b79 41820074 393dffff 3ce00002 39000000 79290020 60e74000 39290001 > 7d2903a6 60000000 79001f24 7d5f002a 7d293838 7fa93800 41de0068 > ---[ end trace 45fe87d4d747696e ]--- And that's a totally, wildly different part of the kernel. ANd it's a code-patch which millions of machines run all the time. It's hard to see how oops #2 could be a consequence of oops #1. Weird. > Any ideas what's going on here? Attempting to run any further commands > (e.g. reboot) causes a segfault or hang of the command (e.g. ls). I > can send the enabled/modularized options of the .config in another > email if required. Please CC replies to sabujp@gmail.com since I'm not > on the list. > Did any earlier kernel work OK? If so, which? 2.6.23?? Thanks. -- 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/