Date: Thu, 07 Jan 2010 13:43:08 -0500
From: Michael Breuer <mbreuer@majjas.com>
Subject: Re: [PATCH] af_packet: Don't use skb after dev_queue_xmit()
In-reply-to: <20100107183545.GA3208@del.dom.local>
To: Jarek Poplawski <jarkao2@gmail.com>
Cc: Stephen Hemminger <shemminger@linux-foundation.org>,
       David Miller <davem@davemloft.net>, akpm@linux-foundation.org,
       flyboy@gmail.com, linux-kernel@vger.kernel.org, netdev@vger.kernel.org
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On 1/7/2010 1:35 PM, Jarek Poplawski wrote:
> On Thu, Jan 07, 2010 at 01:19:41PM -0500, Michael Breuer wrote:
>    
>> On 1/7/2010 1:01 PM, Jarek Poplawski wrote:
>>      
>>> On Thu, Jan 07, 2010 at 10:05:37AM -0500, Michael Breuer wrote:
>>>        
>>>> Bad news - crashed about an hour after I wrote this email - under
>>>> load - same crash as before. Network watchdog... lots of attempts to
>>>> reset the adapter... then hw watchdog rebooted the system.
>>>>          
>>> It's a pity. Anyway, I'd be still interested in CONFIG_PACKET_MMAP off
>>> if you find time.
>>>
>>> Jarek P.
>>>        
>> Ok - any particular patch set to try with? I'm going to start with a
>> clean tree using the latest 2.6.32 from git (tried 2.6.33-rc3, but
>> can't get a usable console... will look at that later.)
>>      
> My "Berck E. Nash" and Stephen's "pskb_may_pull" sky2 patches. (BTW,
> could you remind if it worked any better with 2.6.31 or earlier?)
>
> Jarek P.
>    
I'm not sure my crash-and-burn runs yesterday included the pskb_may_pull 
patch :(

Going to rerun with these patches and with and without MMAP. Will also 
retry both with jumbo frames if possible.
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