Date: Fri, 24 May 2013 16:29:26 +0900 (JST) From: Hiroki Sato <hrs@FreeBSD.org> To: pyunyh@gmail.com Cc: jdc@koitsu.org, gjb@FreeBSD.org, freebsd-stable@FreeBSD.org, re@FreeBSD.org Subject: Re: Apparent fxp regression in FreeBSD 8.4-RC3 Message-ID: <20130524.162926.395058052118975996.hrs@allbsd.org> In-Reply-To: <20130524054720.GA1496@michelle.cdnetworks.com> References: <20130524044035.GA40957@icarus.home.lan> <20130524044919.GA41292@icarus.home.lan> <20130524054720.GA1496@michelle.cdnetworks.com>
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----Security_Multipart(Fri_May_24_16_29_26_2013_592)-- Content-Type: Text/Plain; charset=us-ascii Content-Transfer-Encoding: 7bit YongHyeon PYUN <pyunyh@gmail.com> wrote in <20130524054720.GA1496@michelle.cdnetworks.com>: py> On Thu, May 23, 2013 at 09:49:19PM -0700, Jeremy Chadwick wrote: py> > On Thu, May 23, 2013 at 09:40:35PM -0700, Jeremy Chadwick wrote: py> > > On Thu, May 23, 2013 at 11:42:44PM -0400, Glen Barber wrote: py> > > > On Thu, May 23, 2013 at 08:38:06PM -0700, Jeremy Chadwick wrote: py> > > > > If someone wants me to test DHCP via fxp(4) on the above system (I can py> > > > > do so with both NICs), just let me know; it should only take me half an py> > > > > hour or so. py> > > > > py> > > > > I'll politely wait for someone to say "please do so" else won't bother. py> > > > > py> > > > py> > > > For the sake of completeness... py> > > > py> > > > "Please do so." :) py> > > py> > > Issue reproduced 100% reliably, even within sysinstall. py> > > py> > > {snip} py> > py> > Forgot to add: py> > py> > This issue ONLY happens when using DHCP. py> > py> > Statically assigning the IP address works fine; fxp0 goes down once, py> > up once, then stays up indefinitely. py> py> I asked Mike to try backing out dhclient(8) change(r247336) but it py> seems he missed that. Jeremy, could you try that? py> py> I guess dhclient(8) does not like flow-control negotiation of py> fxp(4) after link establishment. Okay, I could reproduce this issue on my box. After invocation of dhclient(8), a link is up and then state_reboot() drops the link establishment. Removing the changes around RTM_IFINFO in r247336 makes it work with no problem. A workaround is specifying the following line in rc.conf: ifconfig_fxp0="DHCP media 100baseTX mediaopt full-duplex" -- Hiroki ----Security_Multipart(Fri_May_24_16_29_26_2013_592)-- Content-Type: application/pgp-signature Content-Transfer-Encoding: 7bit -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.13 (FreeBSD) iEYEABECAAYFAlGfFtYACgkQTyzT2CeTzy2L9ACfaXPluTP5rFEX9DHxU2N29fa6 PYoAn1jFexNVUJ4xrHtgL8KylJZ2Bn2Q =POsy -----END PGP SIGNATURE----- ----Security_Multipart(Fri_May_24_16_29_26_2013_592)----
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