linux-kernel - Re: [-next Feb 9] Boot failure on x86

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Message-ID: <4B976C8F.1000703@in.ibm.com>
Date:	Wed, 10 Mar 2010 15:25:27 +0530
From:	Sachin Sant <sachinp@...ibm.com>
To:	"Desai, Kashyap" <Kashyap.Desai@....com>
CC:	"linux-next@...r.kernel.org" <linux-next@...r.kernel.org>,
	LKML <linux-kernel@...r.kernel.org>,
	"Moore, Eric" <Eric.Moore@....com>
Subject: Re: [-next Feb 9] Boot failure on x86_64: mptbase fails to initialize

Desai, Kashyap wrote:
> Sachin,
>
> This may be related to something specific to your system's APIC/or bad HW rather than pure driver issue.
> Below line from log is important to note.
> "mptsas 0000:03:04.0: can't find IRQ for PCI INT A; probably buggy MP table"
>
> It means LSI controller is not able to reserve IRQ line and that is where all problem starts.
> Need to broaden the scope of the issue.
>
> Another confusing thing to me.
> I have seen "probably buggy MP table" print only in arch/x86, but you have mentioned that in your case arch is x86_64.
>
> Thanks,
> Kashyap
>   
This actually was because of some other problem.

Here is the post for it.
http://marc.info/?l=linux-kernel&m=126741813906116&w=2

Which was eventually fixed. Patch is available here.
http://marc.info/?l=linux-kernel&m=126745177832615&w=2

Thanks
-Sachin

>
>
>   
>> -----Original Message-----
>> From: linux-scsi-owner@...r.kernel.org [mailto:linux-scsi-
>> owner@...r.kernel.org] On Behalf Of Sachin Sant
>> Sent: Tuesday, February 09, 2010 6:12 PM
>> To: linux-scsi
>> Cc: linux-next@...r.kernel.org; LKML; Moore, Eric
>> Subject: [-next Feb 9] Boot failure on x86_64: mptbase fails to
>> initialize
>>
>> Today's next failed to boot on my 4 way x86_64 box because of mptbase
>> driver initialization failure.
>>
>> Snippet of messages during boot :
>>
>> Fusion MPT SAS Host driver 3.04.14
>> mptsas 0000:03:04.0: can't find IRQ for PCI INT A; probably buggy MP
>> table
>> mptbase: ioc0: Initiating bringup
>> ioc0: LSISAS1064 A3: Capabilities={Initiator}
>> mptbase: ioc0: WARNING - Issuing Reset from mpt_config!!
>> mptbase: ioc0: Initiating recovery
>> mptbase: ioc0: Attempting Retry Config request type 0x1, page 0x2,
>> action 0
>> mptbase: ioc0: WARNING - Issuing Reset from mpt_config!!
>> mptbase: ioc0: Initiating recovery
>> mptbase: ioc0: WARNING - Issuing Reset from mpt_config!!
>> mptbase: ioc0: Initiating recovery
>> mptbase: ioc0: Attempting Retry Config request type 0x1, page 0x1,
>> action 0
>> mptbase: ioc0: WARNING - Issuing Reset from mpt_config!!
>>
>> Eventually machine fails to boot. I have similar problem on a x86 box
>> but with IPS driver. So might not be a driver specific issue.
>>
>> I had similar problem with yesterday's next.IIRC the last successful
>> boot was with next-20100203.
>>
>> Have attached the boot log from x86_64 box.
>>
>> Thanks
>> -Sachin
>>
>>
>> --
>>
>> ---------------------------------
>> Sachin Sant
>> IBM Linux Technology Center
>> India Systems and Technology Labs
>> Bangalore, India
>> ---------------------------------
>>     
>
>   


-- 

---------------------------------
Sachin Sant
IBM Linux Technology Center
India Systems and Technology Labs
Bangalore, India
---------------------------------

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