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From: Stephen Hemminger <shemminger@linux-foundation.org>
To: "Fagyal Csongor" <concept@conceptonline.hu>
Cc: <thomas@glanzmann.de>, <linux-kernel@vger.kernel.org>,
	<netdev@vger.kernel.org>
Subject: Re: sky2 hangs
Date: Thu, 1 Feb 2007 14:58:15 -0800	[thread overview]
Message-ID: <20070201145815.199bfe1a@freekitty> (raw)
In-Reply-To: <42007.80.98.159.250.1170369983.squirrel@www.hunhost.com>

I can reproduce the problem now (on mac mini). Interestingly it seems to whack
the whole ethernet switch when it happens.
> 
> - a previously suggested fix - passing idle=poll to the kernel - did not
> work for me at the end

It is not an MSI or IRQ problem. It is a phy problem (see below).

> - the locks I have happen very periodically (somewhere around every 22-28
> hours), as if the chip would die after a given amount of data transferred;
> I know this looks stupid but I thought I might mention it
> - I have about 1Mbit/s of (incoming) traffic on this interface: with
> short, very high peaks, as there is a MySQL server on the other end,
> receiving about 100 queries per second
> - unloading the sky2 module totally freezes the computer for me

If you do:
	ethtool -r eth0
it cause a PHY reset (renegotiation) and clears the problem.


-- 
Stephen Hemminger <shemminger@linux-foundation.org>

  reply	other threads:[~2007-02-01 23:01 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-01 18:55 sky2 hangs Thomas Glanzmann
2007-02-01 19:05 ` Stephen Hemminger
2007-02-01 19:19   ` Thomas Glanzmann
2007-02-01 19:07 ` Stephen Hemminger
2007-02-01 19:16   ` Thomas Glanzmann
2007-02-01 22:46 ` Fagyal Csongor
2007-02-01 22:58   ` Stephen Hemminger [this message]
2007-02-02  6:31     ` Thomas Glanzmann
2007-02-02 10:44       ` Julien BLACHE
2007-02-02 10:49         ` Thomas Glanzmann
2007-02-02 11:53           ` Fagyal Csongor
2007-02-02 13:43             ` Jarek Poplawski
2007-02-02 14:13               ` Jarek Poplawski
2007-02-02  6:27   ` Thomas Glanzmann
  -- strict thread matches above, loose matches on Subject: below --
2008-09-20  0:23 Greg Fitzgerald
2008-09-20  5:53 ` Stephen Hemminger
2008-09-20 21:18   ` Greg Fitzgerald

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