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From: Sachin Sant <sachinp@in.ibm.com>
To: Jiri Pirko <jpirko@redhat.com>
Cc: David Miller <davem@davemloft.net>,
	linux-next@vger.kernel.org, linuxppc-dev@ozlabs.org,
	sfr@canb.auug.org.au, netdev@vger.kernel.org
Subject: Re: [PowerPC] Next May 8 boot failure: OOPS during ibmveth moduleinit
Date: Mon, 11 May 2009 22:37:09 +0530	[thread overview]
Message-ID: <4A085B3D.5000806@in.ibm.com> (raw)
In-Reply-To: <20090508223332.GA4881@psychotron.englab.brq.redhat.com>

Jiri Pirko wrote:
> Fri, May 08, 2009 at 09:57:22PM CEST, davem@davemloft.net wrote:
>   
>> From: Sachin Sant <sachinp@in.ibm.com>
>> Date: Fri, 08 May 2009 18:22:48 +0530
>>
>>     
>>> Todays Next failed to boot on a Power6 JS22 blade with following oops.
>>>       
>> Jiri, I suspect this might be your address list changes.
>>
>> Although that's just a guess.  But please take a look.
>>     
>
> Hmm, only thing I see might cause the problem would be if calling __hw_addr_add
> in dev_addr_init fails, then dev->dev_addr would contain zeroes (which looks
> this is not the case). But in this case the oops would appear earlier (in
> ibmveth_probe dev_addr memcpy).
>
> Will do the patch which checks the result to behave correctly in case of oom
> but this imho this wouldn't help. Strange, I will dig into this more tomorrow.
>   
I can recreate this problem with today's Next release as well. Let me 
know if you want me to try
out any thing to debug this problem.

Thanks
-Sachin

-- 

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

WARNING: multiple messages have this Message-ID (diff)
From: Sachin Sant <sachinp@in.ibm.com>
To: Jiri Pirko <jpirko@redhat.com>
Cc: linuxppc-dev@ozlabs.org, netdev@vger.kernel.org,
	linux-next@vger.kernel.org, David Miller <davem@davemloft.net>,
	sfr@canb.auug.org.au
Subject: Re: [PowerPC] Next May 8 boot failure: OOPS during ibmveth moduleinit
Date: Mon, 11 May 2009 22:37:09 +0530	[thread overview]
Message-ID: <4A085B3D.5000806@in.ibm.com> (raw)
In-Reply-To: <20090508223332.GA4881@psychotron.englab.brq.redhat.com>

Jiri Pirko wrote:
> Fri, May 08, 2009 at 09:57:22PM CEST, davem@davemloft.net wrote:
>   
>> From: Sachin Sant <sachinp@in.ibm.com>
>> Date: Fri, 08 May 2009 18:22:48 +0530
>>
>>     
>>> Todays Next failed to boot on a Power6 JS22 blade with following oops.
>>>       
>> Jiri, I suspect this might be your address list changes.
>>
>> Although that's just a guess.  But please take a look.
>>     
>
> Hmm, only thing I see might cause the problem would be if calling __hw_addr_add
> in dev_addr_init fails, then dev->dev_addr would contain zeroes (which looks
> this is not the case). But in this case the oops would appear earlier (in
> ibmveth_probe dev_addr memcpy).
>
> Will do the patch which checks the result to behave correctly in case of oom
> but this imho this wouldn't help. Strange, I will dig into this more tomorrow.
>   
I can recreate this problem with today's Next release as well. Let me 
know if you want me to try
out any thing to debug this problem.

Thanks
-Sachin

-- 

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

  reply	other threads:[~2009-05-11 17:07 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-05-08  8:02 linux-next: Tree for May 8 Stephen Rothwell
2009-05-08 12:52 ` [PowerPC] Next May 8 boot failure: OOPS during ibmveth module init Sachin Sant
2009-05-08 12:52   ` Sachin Sant
2009-05-08 19:57   ` David Miller
2009-05-08 19:57     ` David Miller
2009-05-08 22:33     ` Jiri Pirko
2009-05-08 22:33       ` Jiri Pirko
2009-05-11 17:07       ` Sachin Sant [this message]
2009-05-11 17:07         ` [PowerPC] Next May 8 boot failure: OOPS during ibmveth moduleinit Sachin Sant
2009-05-12  7:04         ` Stephen Rothwell
2009-05-12  7:04           ` Stephen Rothwell
2009-05-12  7:44           ` Stephen Rothwell
2009-05-12  7:44             ` Stephen Rothwell
2009-05-12  8:16             ` Jiri Pirko
2009-05-12  8:17             ` Wei Yongjun
2009-05-12  8:17               ` Wei Yongjun
2009-05-13  6:39             ` Stephen Rothwell
2009-05-13  6:39               ` Stephen Rothwell

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