kern/110561 "em" driver shuts down interface when "ifconfig media 100baseTX" is invoked

[Kris Kennaway]

On Tue, Mar 20, 2007 at 07:40:10AM +0000, Infraservice hostmaster wrote:
> The following reply was made to PR kern/110561; it has been noted by GNATS.
> 
> From: Infraservice hostmaster <hostmaster at Infra-Service.ca>
> To: bug-followup at freebsd.org
> Cc:  
> Subject: Re: kern/110561 "em" driver shuts down interface when "ifconfig media 100baseTX" is invoked
> Date: Tue, 20 Mar 2007 03:31:54 -0400 (EDT)
> 
>  | 
>  | Synopsis: :"em" driver shuts down interface when "ifconfig  media 100baseTX"  is invoked
>  | 
>  | State-Changed-From-To: open->closed
>  | State-Changed-By: remko
>  | State-Changed-When: Tue Mar 20 06:42:06 UTC 2007
>  | State-Changed-Why: 
>  | This is not a bug, this is a problem in the negotiation on the other
>  | side. If the switch you are attaching to is not supporting the fixed
>  | setting of the speed and duplex settings or incorrectly negotiates then
>  | this is not a problem of the driver nor the card but a switching
>  | problem. Please try to findout FIRST what the real problem is and THEN
>  | get back to me if this really is a FreeBSD problem (Discuss this on the
>  | networking mailinglist please >
>  | http://lists.freebsd.org/mailman/listinfo/freebsd-net/).
>  
>  
>  	This happens to every interface we tried it on!

Right, which is consistent with the switch failing to negotiate.

Kris