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Message-ID: <1347266366.1234.1267.camel@edumazet-glaptop>
Date: Mon, 10 Sep 2012 10:39:26 +0200
From: Eric Dumazet <eric.dumazet@...il.com>
To: Larry Finger <Larry.Finger@...inger.net>
Cc: linville@...driver.com, linux-wireless@...r.kernel.org,
netdev <netdev@...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.
>
> Larry
>
>
Hi Larry
It appears I have a D-Link N300 (DWA-131) nano USB adapter, using
staging/rtl8712 driver.
I tried many kernel versions (including 3.3) and none seems to work
reliably.
Sometime, I have some traffic but only for about 50 frames...
It might be because my access point is a netgear wndr3800, because I
have following warning a bit before the freezes :
r8712u: [r8712_got_addbareq_event_callback] mac = 20:4e:7f:5a:cd:30, sea = 80, tid = 0
Thanks
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