netdev - RE: [bug?] r8169: hangs under heavy load

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Message-ID: <FCF60BC8872E4F1C9C72CE56F0E570C0@realtek.com.tw>
Date:	Fri, 2 Dec 2011 10:21:08 +0800
From:	hayeswang <hayeswang@...ltek.com>
To:	'Francois Romieu' <romieu@...zoreil.com>
CC:	<booster@...ke7.net>, 'Jonathan Nieder' <jrnieder@...il.com>,
	'Eric Dumazet' <eric.dumazet@...il.com>,
	<netdev@...r.kernel.org>, 'nic_swsd' <nic_swsd@...ltek.com>,
	<linux-kernel@...r.kernel.org>,
	'Armin Kazmi' <armin.kazmi@...dortmund.de>
Subject: RE: [bug?] r8169: hangs under heavy load

Francois Romieu [mailto:romieu@...zoreil.com] 
[...]
> > For the 8168c and the later chips, our hardware engineer 
> says that don't enable
> > the RxFIFOOver of IntrMask and don't clear the RxFIFOOver 
> of IntrStatus. The
> > hardware will automatically escape Rx fifo full situation. 
> Although you try to
> > clear the RxFIFOOver of IntrStatus, maybe the bit wouldn't 
> be cleared. Just
> > disregard it.
> 
> Should "later" be understood as gigabit PCI-E only or is 
> there a similar
> difference of behavior between older fast-ethernet PCI-E and 
> more recent
> ones ?
> 

For the fast controller, it should start from rtl8105e. 

Best Regards,
Hayes

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