linux-kernel - Re: mpt fusion broken sometime since 2.6.24

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Date:	Tue, 17 Feb 2009 18:14:03 -0800
From:	Yinghai Lu <yinghai@...nel.org>
To:	david@...g.hm
CC:	Matthew Wilcox <matthew@....cx>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	linux-scsi@...r.kernel.org, DL-MPTFusionLinux@....com
Subject: Re: mpt fusion broken sometime since 2.6.24

david@...g.hm wrote:
> On Tue, 17 Feb 2009, Yinghai Lu wrote:
> 
>> david@...g.hm wrote:
>>> On Tue, 17 Feb 2009, Yinghai Lu wrote:
>>>
>>>> david@...g.hm wrote:
>>>>> On Tue, 17 Feb 2009, Yinghai Lu wrote:
>>>>>
>>>>>> Subject: Re: mpt fusion broken sometime since 2.6.24
>>>>>>
>>>>>> On Tue, Feb 17, 2009 at 3:07 PM,  <david@...g.hm> wrote:
>>>>>>> On Tue, 17 Feb 2009, Matthew Wilcox wrote:
>>>>>>>
>>>>>>>> On Tue, Feb 17, 2009 at 01:44:55PM -0800, david@...g.hm wrote:
>>>>>>>>>
>>>>>>>>> I got a picture of the failed boot at
>>>>>>>>> http://linux.lang.hm/linux/IMG00052.jpg
>>>>>>>>
>>>>>>>> The PCI-MSI line is probably indicative.  Can you try booting with:
>>>>>>>>
>>>>>>>> mptbase.mpt_msi_enable_sas=0
>>>>>>>>
>>>>>>>> and also send us an lspci -v so we can update the blacklist?
>>>>>>>
>>>>>>> is that disabling SAS for this system? if so, that's the wrong thing
>>>>>>> to do
>>>>>>> (the drives are SAS)
>>>>>>>
>>>>>> it only disable MSI with that mptsas.
>>>>>> and mptsas will use ioapic routing.
>>>>>>
>>>>>> can you post whole bootlog?
>>>>>
>>>>> unfortunantly it's booting from CD and the only drives in the
>>>>> system are
>>>>> the ones that are not being accessed.
>>>>
>>>> i mean with kernel before 2.6.24..
>>>
>>> Ok, attached.
>>>
>>
>> so your lsi 1068 is under 8132... need to double check if that chip
>> really support MSI.
> 
> anything I can do in the 2.6.24 kernel? or the 2.8.28.6 kernel?
> 
for 2.6.24, it disable msi by default.

for 2.6.28 please have
mptbase.mpt_msi_enable=0
in your boot command line.

YH
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