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

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Message-ID: <CACna6ry_=o2qrA5n0gvHRrjRXQx-VkCJ5FvreZUq73nYOO6C3A@mail.gmail.com>
Date:	Fri, 15 Mar 2013 16:39:15 +0100
From:	Rafał Miłecki <zajec5@...il.com>
To:	Stephen Hemminger <stephen@...workplumber.org>
Cc:	Network Development <netdev@...r.kernel.org>,
	Mirko Lindner <mlindner@...vell.com>
Subject: Re: sky2 negotiating only 100Mb/s (88E8055)

2013/3/15 Stephen Hemminger <stephen@...workplumber.org>:
> On Fri, 15 Mar 2013 13:03:01 +0100
> Rafał Miłecki <zajec5@...il.com> wrote:
>
>> 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?
>
>
> PHY stuff is black magic, and sometimes vendors break things outside
> the driver. You might check for a BIOS update? Does it work with windows?

I'm afraid there isn't BIOS update available and I don't have Windows.
Well, I never had.

-- 
Rafał
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