netdev - Re: tg3 driver not advertising 1000mbit

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Date:	Wed, 24 Jun 2009 10:36:08 -0700
From:	"Matt Carlson" <mcarlson@...adcom.com>
To:	"Jean-Louis Dupond" <info@...ondje.be>
cc:	"Michael Chan" <mchan@...adcom.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"Matthew Carlson" <mcarlson@...adcom.com>,
	"David Christensen" <davidch@...adcom.com>
Subject: Re: tg3 driver not advertising 1000mbit

Was there a version of the kernel where this device worked reliably?

Can you post the driver sign-on messages?  (I'm looking to see if ASF
is enabled.)

On Fri, Jun 12, 2009 at 03:16:59PM -0700, Jean-Louis Dupond wrote:
> I surely tried other cables. But its surely not the cable because:
> 1) We tried other cables
> 2) After a reboot it works, or after a mii-tool -R
> 3) We have this issue on like +100 servers :(
> 
> The servers are connected on a Dell PowerConnect 6248 switch.
> 
> Sincerely
> 
> Michael Chan schreef:
> > On Fri, 2009-06-12 at 14:51 -0700, Jean-Louis Dupond wrote:
> >> Hello!
> >>
> >> Here is a mii-tool -vvv on a box that doesn't advertise gbit speeds! It 
> >> just doesn't advertise gbit @ random, sometimes it does, sometimes not! 
> >> Without any logic in it!
> >>
> >> # mii-tool  -vvv
> >> Using SIOCGMIIPHY=0x8947
> >> eth0: link ok
> >>     registers for MII PHY 1:
> >>       1000 794d 0143 bed0 05e1 0000 0064 2001
> >>       0000 0300 0000 0000 0000 0000 0000 3000
> > 
> > Register 1 shows that autoneg did not complete (bit 5 is not set).
> > The tg3 device has advertised 10/100/1000 in register 4 and register 9,
> > but registers 5 and 0xa (link partner's advertisement registers are 0).
> > 
> > When it works, these registers should look very different.
> > 
> > Have you tried other cables?  What is the link partner?
> > 
> >>       0000 0101 0000 0000 0000 0000 0000 0000
> >>       7477 0104 0000 ffff 2801 0000 8000 0000
> >>     product info: vendor 00:50:ef, model 45 rev 0
> >>     basic mode:   autonegotiation enabled
> >>     basic status: link ok
> >>     capabilities: 1000baseT-HD 1000baseT-FD 100baseTx-FD 100baseTx-HD
> >> 10baseT-FD 10baseT-HD
> >>     advertising:  100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD flow-
> >> control
> >>
> >> # dmesg | grep tg3
> >> [    3.331702] tg3.c:v3.92.1 (June 9, 2008)
> >> [   18.238654] tg3: eth0: Link is up at 10 Mbps, half duplex.
> >> [   18.238654] tg3: eth0: Flow control is off for TX and off for RX.
> >>
> >>
> > 
> > 
> > 
> > --
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> 

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