netdev - Re: sky2 negotiating only 100Mb/s (88E8055)

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Date:	Fri, 15 Mar 2013 13:03:01 +0100
From:	Rafał Miłecki <zajec5@...il.com>
To:	Network Development <netdev@...r.kernel.org>,
	Mirko Lindner <mlindner@...vell.com>,
	Stephen Hemminger <stephen@...workplumber.org>
Subject: Re: sky2 negotiating only 100Mb/s (88E8055)

2013/3/3 Rafał Miłecki <zajec5@...il.com>:
> I've problems with my:
> 08:00.0 Ethernet controller [0200]: Marvell Technology Group Ltd.
> 88E8055 PCI-E Gigabit Ethernet Controller [11ab:4363] (rev 13)
> using 3.4.28 kernel on my Sony notebook.
>
> I've tried connecting it to the:
> 1) HP#1 (Intel card)
> 2) HP#2 (Broadcom card)
> 3) Router based on BCM4706 with BCM53125 switch
> I've tried two different CAT5e cables for all the above devices. In
> every case sky2 established 100Mbps link only. It couldn't achieve
> 1000Mb/s. Forcing it to 1000Mbps broke link. Lower speeds (100 half
> duplex and 10 Mbps) are working fine.
>
> It's not the issue with the cable or devices, because all other
> configurations are working fine. I can connect:
> 1) HP#1 with HP#2
> 2) HP#1 with router
> 3) HP#2 with router
> and I always get 1000Mbps.
>
> So it looks like some bugged hardware or (more likely?) issue in sky2.
>
> sky2 0000:08:00.0: eth0: disabling interface
> sky2: driver version 1.30
> sky2 0000:08:00.0: Yukon-2 EC Ultra chip revision 3
> sky2 0000:08:00.0: irq 47 for MSI/MSI-X
> sky2 0000:08:00.0: eth0: addr 00:1d:ba:19:9e:db
> sky2 0000:08:00.0: eth0: enabling interface
> sky2 0000:08:00.0: eth0: Link is up at 100 Mbps, full duplex, flow control both
>
> Can you help me with that?

Ping?

-- 
Rafał
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