netdev - Re: [PATCH net] skge: dma_sync the whole receive buffer

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Date:	Tue, 13 Aug 2013 18:00:36 -0700
From:	Stephen Hemminger <stephen@...workplumber.org>
To:	David Miller <davem@...emloft.net>
Cc:	pomidorabelisima@...il.com, netdev@...r.kernel.org
Subject: Re: [PATCH net] skge: dma_sync the whole receive buffer

On Tue, 13 Aug 2013 15:09:55 -0700 (PDT)
David Miller <davem@...emloft.net> wrote:

> From: Stephen Hemminger <stephen@...workplumber.org>
> Date: Sat, 10 Aug 2013 15:02:07 -0700
> 
> > The DMA sync should sync the whole receive buffer, not just
> > part of it. Fixes log messages dma_sync_check.
> > 
> > Signed-off-by: Stephen Hemminger <stephen@...workplumber.org>
> 
> Applied, but I really suspect that your "check DMA mapping errors"
> patch has added a serious regression.  A regression much worse than
> the bug you were trying to fix with that change.

Argh. The problem is deeper than that. Device got broken somewhere between
3.2 and 3.4. My old Dlink card works on 3.2 but gets DMA errors on 3.4.
The config's are different though so checking that as well.
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