netdev - Re: strange sky disable/enable in the kernel log

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Message-ID: <20070624231120.4c04a2ee@freepuppy.localdomain.hemminger.net>
Date:	Sun, 24 Jun 2007 23:11:20 -0700
From:	Stephen Hemminger <shemminger@...ux-foundation.org>
To:	Tino Keitel <tino.keitel@...ei.de>
Cc:	netdev@...r.kernel.org
Subject: Re: strange sky disable/enable in the kernel log

On Fri, 22 Jun 2007 07:53:42 +0200
Tino Keitel <tino.keitel@...ei.de> wrote:

> Hi,
> 
> I just found this in the kernel log:
> 
> 2007-06-22_05:47:50.69894 kern.info: sky2 eth0: disabling interface
> 2007-06-22_05:47:50.72039 kern.info: sky2 eth0: enabling interface
> 2007-06-22_05:47:50.72240 kern.info: sky2 eth0: ram buffer 48K
> 2007-06-22_05:47:52.40903 kern.info: sky2 eth0: Link is up at 100 Mbps,
> full duplex, flow control both
> 
> What could be the cause for this? I use kernel 2.6.22-rc5 with this
> hardware:
> 
> sky2 0000:01:00.0: v1.14 addr 0x90200000 irq 17 Yukon-EC (0xb6) rev 2
> 
> 01:00.0 Ethernet controller: Marvell Technology Group Ltd. 88E8053
> PCI-E Gigabit Ethernet Controller (rev 22)
> 
> Regards,
> Tino

Some  script is calling the device stop (down) call. 
	ifconfig eth0 down
	ip link set eth0 down

another possibility is suspend/resume.

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