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Date:	Tue, 11 May 2010 04:08:30 +0000
From:	Bijay Singh <>
To:	Eric Dumazet <>
CC:	Stephen Hemminger <>,
	David Miller <>,
	"<>" <>,
	"<>" <>,
	"<>" <>
Subject: Re: TCP-MD5 checksum failure on x86_64 SMP

Hi Eric,

I guess that makes me the enviable one. So I am keen to test out this feature completely, as long as I know what to do as a next step, directions, patches.


On 10-May-2010, at 8:48 PM, Eric Dumazet wrote:

> Le lundi 10 mai 2010 à 14:55 +0000, Bijay Singh a écrit :
>> Hi,
>> I had noticed the corruption in the context and actually did what is mentioned.
>> I allocated the context on the stack and plugged in the md5.c functions. I was able to temporarily solve the problem, all this before I got a response on this thread.
>> But now I have seeing another problem, when i change the MTU on the interface from 1500 to 4470 none of the message from the peer get thru and I get hash failed message. I am wondering if this is another bug getting hit in this scenario.
> Thats very fine, but you mix very different problems.
> Step by step resolution is required, and clean patches too, because
> plugging md5.c functions is not an option for stable series :)
> Obviously, nobody seriously used TCP-MD5 on linux, but you...

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