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

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Message-ID: <20111125205451.GG26692@elie.hsd1.il.comcast.net>
Date:	Fri, 25 Nov 2011 14:54:51 -0600
From:	Jonathan Nieder <jrnieder@...il.com>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	netdev@...r.kernel.org, nic_swsd@...ltek.com,
	Francois Romieu <romieu@...zoreil.com>,
	linux-kernel@...r.kernel.org,
	Armin Kazmi <armin.kazmi@...dortmund.de>,
	Gerd <booster@...ke7.net>
Subject: Re: [bug?] r8169: hangs under heavy load

Eric Dumazet wrote:

> rtl8169_rx_interrupt(..., budget) can return budget + 1 sometimes
> because of :
>
>                 /* Work around for AMD plateform. */
>                 if ((desc->opts2 & cpu_to_le32(0xfffe000)) &&
>                     (tp->mac_version == RTL_GIGA_MAC_VER_05)) {
>                         desc->opts2 = 0;
>                         cur_rx++;
>                 }
>
> Sorry, I wont patch this today, its black Friday, and David said to
> patch submitters :
>
> "stick to turkey and wine you're better at it" 

:)  Sensible enough.  Thanks for the quick response!
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