netdev - Re: r8169 OOPSen in rtl

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Message-ID: <20130813211534.GA5635@electric-eye.fr.zoreil.com>
Date:	Tue, 13 Aug 2013 23:15:34 +0200
From:	Francois Romieu <romieu@...zoreil.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	nic_swsd@...ltek.com, netdev@...r.kernel.org
Subject: Re: r8169 OOPSen in rtl_rx

Peter Zijlstra <peterz@...radead.org> :
[...]
> I've got an AMD x86_64 machine with two realtek NICs:
> 
> 01:08.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8169 Gigabit Ethernet (rev 10)
> 03:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 06)

Which XID (see kernel dmesg) ?

[...]
> So all I've got to offer currently is a partial backtrace -- see
> attached image.

(no attachment)

> Partial transcribe:
> 
>   ? rtl8169_try_rx_copy.isra.77

/me scratches head.

You may check that pkt_size is > 0, <= ETH_FRAME_LEN (no jumbo ?) and
see if it helps.

-- 
Ueimor
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