From mboxrd@z Thu Jan  1 00:00:00 1970
From: Yinghai Lu <yinghai@kernel.org>
Subject: Re: mptsas, msi and the dl585 g2
Date: Tue, 30 Jun 2009 11:35:45 -0700
Message-ID: <4A4A5B01.9040200@kernel.org>
References: <20090630180300.GA9971@ldl.fc.hp.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1
Content-Transfer-Encoding: 7bit
Return-path: <linux-scsi-owner@vger.kernel.org>
Received: from hera.kernel.org ([140.211.167.34]:50147 "EHLO hera.kernel.org"
	rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP
	id S1752634AbZF3Sf6 (ORCPT <rfc822;linux-scsi@vger.kernel.org>);
	Tue, 30 Jun 2009 14:35:58 -0400
In-Reply-To: <20090630180300.GA9971@ldl.fc.hp.com>
Sender: linux-scsi-owner@vger.kernel.org
List-Id: linux-scsi@vger.kernel.org
To: dann frazier <dannf@hp.com>
Cc: linux-scsi@vger.kernel.org, kadesai@lsi.com

dann frazier wrote:
> hey,
>  I'm finding problems when booting a dl585g2 w/ an LSISAS1068
> controller. In brief, this system system stopped booting once MSI
> became disabled by default in mptbase. Passing the parameter
> 'mpt_msi_enable_sas=1' to mptbase allows it to work again (tested w/
> 2.6.30).
> 
>  The symptom is that the system starts up, and we see the following:
> 
> ======== SNIP =========
> [    6.941489] hub 3-2:1.0: USB hub found
> [    6.943705] hub 3-2:1.0: 7 ports detected
> [    6.992639] Copyright (c) 1999-2008 LSI Corporation
> [    7.014262] Fusion MPT SAS Host driver 3.04.07
> [    7.021685] mptsas 0000:42:01.0: PCI INT A -> GSI 24 (level, low) -> IRQ 24
> [    7.026597] usb 1-6.3: new full speed USB device using ehci_hcd and address 3
> [    7.071143] mptbase: ioc0: Initiating bringup
> [    7.102198] usb 1-6.3: New USB device found, idVendor=0e34, idProduct=0204
> [    7.119107] usb 1-6.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
> [    7.128171] usb 1-6.3: Product: iPort/USB I2C Host Adapter
> [    7.160994] usb 1-6.3: Manufacturer: Silicon Labs
> [    7.171468] usb 1-6.3: SerialNumber: 0001248
> [    7.174931] usb 1-6.3: configuration #1 chosen from 1 choice
> [    7.360010] ioc0: LSISAS1068 B0: Capabilities={Initiator}
> [   40.581020] mptbase: ioc0: Initiating recovery
> [   71.190560] Clocksource tsc unstable (delta = 4398041105588 ns)
> [   81.190160] mptbase: ioc0: Initiating recovery
> ======== SNIP =========
> 
> These "Initiating recovery" messages are printed periodically, and the
> system never recovers.

Dann, that could be : ioapic routing in ACPI DSDT is not right somehow.

please try to move the card to other slot to get some luck.
or pci=routeirq could help too sometimes.


YH