Date: Tue, 20 Mar 2007 17:22:42 -0700 From: "Jack Vogel" <jfvogel@gmail.com> To: "Infraservice hostmaster" <hostmaster@infra-service.ca> Cc: freebsd-bugs@freebsd.org, bug-followup@freebsd.org, Kris Kennaway <kris@obsecurity.org> Subject: Re: kern/110561 "em" driver shuts down interface when "ifconfig media 100baseTX" is invoked Message-ID: <2a41acea0703201722l518d0fe1x78d6c0bf903754d2@mail.gmail.com> In-Reply-To: <m1HToO9-000t9aC@mail.infra-service.ca> References: <20070320222934.GA19059@xor.obsecurity.org> <m1HToO9-000t9aC@mail.infra-service.ca>
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On 3/20/07, Infraservice hostmaster <hostmaster@infra-service.ca> wrote: > | > | 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@Infra-Service.ca> > | > To: bug-followup@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. > > > wrong, each interface connects to distinctly different devices > > one is a cisco adsl router, another is a FBSD 6.2 box with an > Intel fxp card - it ifconfigs media/mediaopt just fine BTW So, if each 'distinctly different device' can't handle forcing the speed then Kris's assertion still holds. Our test group at Intel has a wide range of hardware, and they do extensive tests on forcing speed/duplex, I am unaware of any outstanding bugs on this issue. Cheers, Jack
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