netdev - Re: sky2 rx length errors

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Message-Id: <20090919233536.f5fb700c.akpm@linux-foundation.org>
Date:	Sat, 19 Sep 2009 23:35:36 -0700
From:	Andrew Morton <akpm@...ux-foundation.org>
To:	Grozdan <neutrino8@...il.com>
Cc:	linux-kernel@...r.kernel.org,
	Stephen Hemminger <shemminger@...ux-foundation.org>,
	netdev@...r.kernel.org
Subject: Re: sky2 rx length errors

(added cc's from the MAINTAINERS file)

On Fri, 18 Sep 2009 15:41:45 +0200 Grozdan <neutrino8@...il.com> wrote:

> Hi,
> 
> I have a Marvell onboard NIC (88E8053) and I've been noticing for a
> while now a bit weird behavior with the sky2 driver. This mostly
> occurs with newer kernels (2.6.30, 2.6.31) and my older distro kernel
> (2.6.27.21) does not seem to have the same problem. Basically, the
> sky2 driver will randomly and unpredictably spew rx length error
> messages and reboot itself. I also noticed in dmesg that this mostly
> occurs after "martian destination" messages. After this message, sky2
> starts spewing messages as shown below and then reboots itself. It is
> not really a big problem for me, but since I'm virtually always logged
> in in IRC, the client always loses connection, waits for a few minutes
> to get a response from the server and then relogs me again. I do not
> think it's a HW problem as the Marvell NIC otherwise works perfectly
> and I've checked my cable modem too which operates without a problem.
> Any ideas?
> 
> PS: please cc me as I'm not subscribed to the mailing list
> 
> sky2 driver version 1.23
> sky2 0000:05:00.0: PCI INT A -> GSI 36 (level, low) -> IRQ 36
> sky2 0000:05:00.0: setting latency timer to 64
> sky2 0000:05:00.0: PCI: Disallowing DAC for device
> sky2 0000:05:00.0: Yukon-2 EC chip revision 2
> sky2 0000:05:00.0: irq 53 for MSI/MSI-X
> sky2 0000:05:00.0: No interrupt generated using MSI, switching to INTx mode.
> sky2 eth0: addr 00:11:d8:a1:5b:0e
> sky2 eth0: enabling interface
> sky2 eth0: Link is up at 100 Mbps, full duplex, flow control rx
> .....
> .....
> martian destination 0.0.0.0 from 172.23.204.1, dev eth0
> sky2 eth0: rx length error: status 0x4420100 length 598
> sky2 eth0: rx length error: status 0x5ea0100 length 598
> sky2 eth0: rx length error: status 0x5ea0100 length 598
> sky2 eth0: rx length error: status 0x4420100 length 598
> sky2 eth0: rx length error: status 0x4420100 length 598
> sky2 eth0: rx length error: status 0x4420100 length 598
> sky2 eth0: rx length error: status 0x4420100 length 598
> sky2 eth0: rx length error: status 0x4420100 length 598
> sky2 eth0: rx length error: status 0x4420100 length 598
> sky2 eth0: rx length error: status 0x4420100 length 598
> sky2 eth0: rx length error: status 0x4420100 length 598
> sky2 eth0: rx length error: status 0x5ea0100 length 598
> sky2 eth0: rx length error: status 0x5ea0100 length 598
> sky2 eth0: rx length error: status 0x4420100 length 598
> sky2 eth0: rx length error: status 0x4420100 length 598
> sky2 eth0: rx length error: status 0x4420100 length 598
> sky2 eth0: rx length error: status 0x4420100 length 598
> sky2 eth0: rx length error: status 0x4420100 length 598
> sky2 eth0: rx length error: status 0x4420100 length 598
> sky2 eth0: rx length error: status 0x4420100 length 598
> sky2 eth0: rx length error: status 0x4420100 length 598
> sky2 eth0: rx length error: status 0x4420100 length 598
> sky2 eth0: rx length error: status 0x4420100 length 598
> sky2 eth0: rx length error: status 0x4420100 length 598
> sky2 eth0: rx length error: status 0x4420100 length 598
> sky2 eth0: rx length error: status 0x4420100 length 598
> sky2 eth0: rx length error: status 0x4420100 length 598
> sky2 eth0: rx length error: status 0x4420100 length 598
> sky2 eth0: rx length error: status 0x4420100 length 598
> sky2 eth0: rx length error: status 0x4420100 length 598
> sky2 eth0: rx length error: status 0x4420100 length 598
> sky2 eth0: rx length error: status 0x4420100 length 598
> sky2 eth0: rx length error: status 0x4420100 length 598
> sky2 eth0: rx length error: status 0x4420100 length 598

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