From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugme-daemon@bugzilla.kernel.org Subject: [Bug 11045] Bug in MPT Fusion 2.6.26-rc7 unbootable Date: Tue, 8 Jul 2008 14:57:48 -0700 (PDT) Message-ID: <20080708215748.BE7A910800B@picon.linux-foundation.org> References: Return-path: Received: from smtp1.linux-foundation.org ([140.211.169.13]:56358 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751900AbYGHV5u (ORCPT ); Tue, 8 Jul 2008 17:57:50 -0400 Received: from picon.linux-foundation.org (picon.linux-foundation.org [140.211.169.79]) by smtp1.linux-foundation.org (8.14.2/8.13.5/Debian-3ubuntu1.1) with ESMTP id m68LvmTd017267 for ; Tue, 8 Jul 2008 14:57:49 -0700 In-Reply-To: Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: linux-scsi@vger.kernel.org http://bugzilla.kernel.org/show_bug.cgi?id=11045 ------- Comment #11 from anonymous@kernel-bugs.osdl.org 2008-07-08 14:57 ------- Reply-To: James.Bottomley@HansenPartnership.com On Tue, 2008-07-08 at 14:47 -0700, Andrew Morton wrote: > On Tue, 8 Jul 2008 14:56:53 -0600 Bjorn Helgaas wrote: > > > On Tuesday 08 July 2008 11:23:33 am James Bottomley wrote: > > > On Tue, 2008-07-08 at 10:51 -0600, Bjorn Helgaas wrote: > > > > Which ACPI screw up is that? And what's the usual recipe? > > > > > > The usual screw up where subtle ACPI breakage from release to release > > > causes some IRQs to get misrouted. > > > > > > Usually you start with noacpi and cycle through the pci routing options > > > > Don't worry, I wasn't trying to talk you out of an ACPI bug report; > > I just wanted to get enough specifics so I could see whether it was > > something I could fix. > > > > > If you actually read this bug report, you'll see there was a message > > > > > > ACPI: Resource is not an IRQ entry > > > > > > Just before the fusion IRQ failed to get delivered, so I think it's a > > > good indicator that there *are* ACPI problems ... > > > > These messages also happen with 2.6.25, where the MPT Fusion driver > > worked, so Kurk opened a separate bugzilla, > > http://bugzilla.kernel.org/show_bug.cgi?id=11049 > > for them. > > > > Yakui Zhao thinks the messages are harmless because they're > > related to interrupt link devices that we don't use in IOAPIC mode, > > and given that the driver works in 2.6.25, that seems plausible > > to me. > > > > Regardless, the messages are alarming and annoying. I'd like > > to understand them better, but I'll pursue that in the 11049 > > bugzilla. > > > > Let us not forget the other part of this report: > > BUG: unable to handle kernel NULL pointer dereference at 0000034c > IP: [] :mptspi:mptspi_dv_renegotiate_work+0xa/0x9f > Oops: 0000 [#1] SMP That's fixed in the scsi-rc-fixes tree ... but it's a symptom, not a cause. If essential storage is on this adapter, the system will still be unbootable. James -- Configure bugmail: http://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the assignee for the bug, or are watching the assignee.