From: Lennert Buytenhek <buytenh@wantstofly.org>
To: Stefan Agner <stefan@agner.ch>
Cc: netdev@vger.kernel.org
Subject: Re: ep93xx_eth stopps receiving packages
Date: Sun, 2 May 2010 12:43:50 +0200 [thread overview]
Message-ID: <20100502104350.GS4586@mail.wantstofly.org> (raw)
In-Reply-To: <20100419173813.7750395f4fkkmrk0@limpopo.deheime.ch>
On Mon, Apr 19, 2010 at 05:38:13PM +0200, Stefan Agner wrote:
> I'm using Linux 2.6.32.9 on a technologic systems TS-7250 SBC board, with
> the ep93xx_eth driver for networking. On three identical, but independent
> systems I noted that the system is unreachable after a while. On a serial
> terminal I noted that only the TX counter counts onward, RX stays where it
> is,
> no matter if i try to ping from or to the system. Wireshark tells me exactly
> that too: I see helpless ARP requests which gets answered, but no ICMP. The
> system doesnt receive the ARP requests, and just sends another one.
(So does the board or does it not respond to ARP requests for its IP?)
> With a simple program which sends small packages in a fast pace I can
> reproduce the problem after several seconds (additional CPU load seem to
> provoke the problem even more). Remove and replug the network cable doesn't
> solve the problem, but ifup/down does. I don't see any messages in dmesg,
> memory is still available.
Do you see interrupts increasing in /proc/interrupts when this happens?
next prev parent reply other threads:[~2010-05-02 11:15 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-19 15:38 ep93xx_eth stopps receiving packages Stefan Agner
2010-05-02 10:43 ` Lennert Buytenhek [this message]
2010-05-03 11:37 ` Stefan Agner
2010-05-03 11:42 ` [PATCH] ep93xx_eth stopps receiving packets Stefan Agner
2010-05-04 1:46 ` Lennert Buytenhek
2010-05-04 6:23 ` David Miller
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