linux-kernel - Re: Regression associated with commit c8628155ece3

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Message-ID: <1346091701.26634.6.camel@edumazet-glaptop>
Date:	Mon, 27 Aug 2012 11:21:41 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Larry Finger <Larry.Finger@...inger.net>
Cc:	David Miller <davem@...emloft.net>, ncardwell@...gle.com,
	linville@...driver.com, linux-wireless@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: Regression associated with commit c8628155ece3 - "tcp: reduce
 out_of_order memory use"

On Mon, 2012-08-27 at 12:55 -0500, Larry Finger wrote:

> I have prepared a patch to fix all the unchecked allocations.
> 
> Over the weekend I made some progress. To test the latest vendor driver, I 
> installed a 32-bit system. Their driver is not compatible with a 64-bit system. 
> I found that not only did the vendor driver work with secure sites, but so did 
> the in-kernel version. I now have tcpdump output for the 32-bit case that works, 
> and the 64-bit case that fails. It seems likely that I missed some 32/64 bit 
> incompatibility when I did the conversion.
> 
> Thanks for all your help in trying to resolve this issue.

Interesting, so these 32/64 bits problems did not happen in prior
kernels ? (< 3.4 )


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