Date: Wed, 1 Dec 2010 11:15:27 -0500 From: Brian McCann <bjmccann@gmail.com> To: bseklecki@noc.cfi.pgh.pa.us Cc: freebsd-questions <freebsd-questions@freebsd.org> Subject: Re: /etc/rc.d/netif & em interfaces Message-ID: <AANLkTinki=zNNAvGbdoe6KUM9BXfCU=p78k9A0SPGzXy@mail.gmail.com> In-Reply-To: <AANLkTinNEugj4pmVBp3XjkAciPKo=x%2B255HgGEd1RA5q@mail.gmail.com> References: <AANLkTikmWDO6u6yz0CBVp9EH7=yLkkisCqMC6=f=XwjH@mail.gmail.com> <AANLkTiksNZVe1YJ6JZKbdrAx2Rc0hgfPjEAoU3H%2BxQnK@mail.gmail.com> <4CF65BD8.7090401@noc.cfi.pgh.pa.us> <AANLkTinNEugj4pmVBp3XjkAciPKo=x%2B255HgGEd1RA5q@mail.gmail.com>
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On Wed, Dec 1, 2010 at 10:51 AM, Brian McCann <bjmccann@gmail.com> wrote: > > This isn't a Dell PoweEdge, but at least this is two platforms it's > happening on now. =A0Strangely, my VMWare virtual machines that use the > em driver do not have this problem. > > TSO is disabled. > > I just tried adding "up" to the $ifconfig_emX lines in rc.conf, and it > didn't help. > > What I discovered (and I'm still playing with a bit), is that it has > to do with checksum offloading. =A0If you run "ifconfig emX -rxcsum", > the interface comes back to life. =A0I just added "-rxcsum" to the > $ifconfig_emX lines in rc.conf, and I can run "/etc/rc.d/netif > restart" now, and the NIC continues to work fine. > > I tried emailing the folks @ Intel that are mentioned in the man page > for the em driver, but the mail bounced... > > --Brian > > -- Brian (and everyone else reading the thread), I just found this...the patch was submitted some time ago, but somehow didn't make it into 8.1. http://www.freebsd.org/cgi/query-pr.cgi?pr=3D141843 . I'm trying it now. I'll keep you posted. --Brian --=20 _-=3D-_-=3D-_-=3D-_-=3D-_-=3D-_-=3D-_-=3D-_-=3D-_-=3D-_-=3D-_-=3D-_ Brian McCann "I don't have to take this abuse from you -- I've got hundreds of people waiting to abuse me." =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 -- Bill Murray, "Ghostbusters"
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