linux-kernel - Re: mptsas, msi and the dl585 g2

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Message-ID: <4A4FADDC.30606@kernel.org>
Date:	Sat, 04 Jul 2009 12:30:36 -0700
From:	Yinghai Lu <yinghai@...nel.org>
To:	dann frazier <dannf@...com>
CC:	linux-scsi@...r.kernel.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: mptsas, msi and the dl585 g2

dann frazier wrote:
> On Tue, Jun 30, 2009 at 11:35:45AM -0700, Yinghai Lu wrote:
>> 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.
> 
> For the record, I tried moving the card to the other PCI-X slot and
> the pci=routeirq boot param, but neither helped.
> 

so 2.6.22.1 works on that system with pci=nomsi?

maybe your BIOS is too new, you may try the old BIOS.

updating BIOS is not always a option to deployed systems. maybe sustaining team could break sth.

YH
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