netdev - Re: r8169 hard-freezes the system on big network loads

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Message-Id: <201109151226.35055.brade@informatik.uni-muenchen.de>
Date:	Thu, 15 Sep 2011 12:26:35 +0200
From:	Michael Brade <brade@...ormatik.uni-muenchen.de>
To:	Francois Romieu <romieu@...zoreil.com>
Cc:	netdev@...r.kernel.org, nic_swsd@...ltek.com,
	Hayes <hayeswang@...ltek.com>
Subject: Re: r8169 hard-freezes the system on big network loads

On Thursday 15 September 2011 02:03:32 Francois Romieu wrote:
> Michael Brade <brade@...ormatik.uni-muenchen.de> :
> [...]
>
> > ok, good news: I did not experience any freeze anymore even though I
> > transfered 60 GB. And I applied both of your patches and
> >
> > -                   if (status & RxFOVF) {
> > -                           rtl8169_schedule_work(dev,
> > rtl8169_reset_task); -                          
> > dev->stats.rx_fifo_errors++;
> > -                   }
>
> It should not be necessary to remove this part : the status mask is
> supposed to take care of it. One of my patches is wrong if this part
> needs to go away.

ok, I only removed it because you told me so the first time.

> [...]
>
> > so yes but what do you mean with "no real network traffic"? I still get
> > 100 MB/s.
>
> 100 MB/s as 100 Mbyte/s on a gigabit link or 100 Mbit/s on a {gigabit /
> fast} ethernet link ?

100 Mbytes on a gigabit link, so almost 100% usage (with ups and downs, of course; maybe 
between 90 MB/s and 112 MB/s).

thanks,
  Michael
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