From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755781AbZBDRps (ORCPT ); Wed, 4 Feb 2009 12:45:48 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751610AbZBDRph (ORCPT ); Wed, 4 Feb 2009 12:45:37 -0500 Received: from rcsinet12.oracle.com ([148.87.113.124]:23951 "EHLO rgminet12.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751572AbZBDRpg (ORCPT ); Wed, 4 Feb 2009 12:45:36 -0500 Message-ID: <4989D435.7010003@oracle.com> Date: Wed, 04 Feb 2009 09:45:25 -0800 From: Randy Dunlap Organization: Oracle Linux Engineering User-Agent: Thunderbird 2.0.0.6 (X11/20070801) MIME-Version: 1.0 To: "Miller, Mike (OS Dev)" , iss_storagedev@hp.com, scsi , Linux Kernel Mailing List Subject: cciss: WARNING/BUG in do_cciss_intr (it's back) Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Source-IP: acsmt702.oracle.com [141.146.40.80] X-Auth-Type: Internal IP X-CT-RefId: str=0001.0A01020A.4989D437.012F:SCFSTAT928724,ss=1,fgs=0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Mike, Was there any debugging code added to try to help with this problem? or is that the WARNING before the BUG? Booting 2.6.29-rc3-git6 oopsed with: calling cciss_init+0x0/0x2e [cciss] @ 733 HP CISS Driver (v 3.6.20) ACPI: PCI Interrupt Link [LNKA] enabled at IRQ 54 cciss 0000:42:08.0: PCI INT A -> Link[LNKA] -> GSI 54 (level, high) -> IRQ 54 cciss 0000:42:08.0: irq 56 for MSI/MSI-X IRQ 56/cciss0: IRQF_DISABLED is not guaranteed on shared IRQs cciss0: <0x3238> at PCI 0000:42:08.0 IRQ 56 using DAC ------------[ cut here ]------------ WARNING: at drivers/block/cciss.c:225 do_cciss_intr+0x58f/0x99a [cciss]() Hardware name: ProLiant BL685c G1 Modules linked in: cciss(+) ehci_hcd ohci_hcd uhci_hcd Pid: 0, comm: swapper Not tainted 2.6.29-rc3-git6 #1 Call Trace: [] warn_slowpath+0xd3/0xf2 [] ? __mod_timer+0xc1/0xd3 [] ? smi_timeout+0xd9/0xe5 [] ? ktime_get_ts+0x49/0x4e [] ? smi_timeout+0x0/0xe5 [] do_cciss_intr+0x58f/0x99a [cciss] [] handle_IRQ_event+0x27/0x57 [] handle_edge_irq+0xde/0x11f [] do_IRQ+0xdc/0x152 [] ret_from_intr+0x0/0xa <4>---[ end trace a8b437cd48391e28 ]--- BUG: unable to handle kernel NULL pointer dereference at 00000000000000f4 IP: [] do_cciss_intr+0x5d7/0x99a [cciss] PGD 0 Oops: 0002 [#1] SMP last sysfs file: /sys/block/ram15/dev CPU 2 Modules linked in: cciss(+) ehci_hcd ohci_hcd uhci_hcd Pid: 0, comm: swapper Tainted: G W 2.6.29-rc3-git6 #1 RIP: 0010:[] [] do_cciss_intr+0x5d7/0x99a [cciss] RSP: 0018:ffff88027f12fef0 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffff88007f840270 RCX: 0000000000013888 RDX: 0000000000008080 RSI: 0000000000000046 RDI: 0000000000000009 RBP: ffff88027f12ff20 R08: 000000447f12fa70 R09: ffff88017e540700 R10: 0000000000000000 R11: 0000000000000000 R12: ffff88007f8404b0 R13: ffff88027e1a0000 R14: 0000000000000000 R15: 0000000000000086 FS: 0000000000680850(0000) GS:ffff88017f121380(0000) knlGS:0000000000000000 CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b CR2: 00000000000000f4 CR3: 0000000000201000 CR4: 00000000000006e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process swapper (pid: 0, threadinfo ffff88017f164000, task ffff88017fa5d4c0) Stack: 0000000000000001 ffff88027f126280 0000000000000000 0000000000000000 0000000000000038 0000000000000000 ffff88027f12ff50 ffffffff8026ed21 ffffffff8076e000 0000000000000038 ffff88027f126280 ffffffff8076e054 Call Trace: <0> [] handle_IRQ_event+0x27/0x57 [] handle_edge_irq+0xde/0x11f [] do_IRQ+0xdc/0x152 [] ret_from_intr+0x0/0xa <0>Code: 50 08 48 c7 83 40 02 00 00 00 00 00 00 49 c7 44 24 08 00 00 00 00 8b 83 34 02 00 00 85 c0 0f 85 49 03 00 00 4c 8b b3 50 02 00 00 <41> c7 86 f4 00 00 00 00 00 00 00 4c 8b 83 28 02 00 00 66 41 8b RIP [] do_cciss_intr+0x5d7/0x99a [cciss] RSP CR2: 00000000000000f4 ---[ end trace a8b437cd48391e29 ]--- Kernel panic - not syncing: Fatal exception in interrupt This is on an HP ProLiant BL685c G1, 4-proc system with 8 GB of RAM. (same as previous reports) Rebooting worked successfully. Thanks, -- ~Randy