Re: Regression associated with commit c8628155ece3 - "tcp: reduce out_of_order memory use"

[Eric Dumazet <eric.dumazet-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

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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