Re: TG3 data corruption (TSO ?)

From: Benjamin Herrenschmidt
Date: Mon Sep 11 2006 - 01:49:24 EST


On Sun, 2006-09-10 at 22:33 -0700, Michael Chan wrote:
> Benjamin Herrenschmidt wrote:
>
> > I've done:
> >
> > #define tw32_rx_mbox(reg, val) do { wmb();
> tp->write32_rx_mbox(tp, reg, val); } while(0)
> > #define tw32_tx_mbox(reg, val) do { wmb();
> tp->write32_tx_mbox(tp, reg, val); } while(0)
> >
>
> That should do it.
>
> I think we need those tcpdump after all. Can you send it to me?

Looks like adding a sync to writel does fix it though... I'm trying to
figure out which specific writel in the driver makes a difference. I'll
then look into slicing those tcpdumps.

Ben.


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