Date: Fri, 18 Aug 2006 14:43:14 +0400 From: Ruslan Ermilov <ru@freebsd.org> To: Pyun YongHyeon <pyunyh@gmail.com> Cc: Dan Nelson <dnelson@allantgroup.com>, Alan Amesbury <amesbury@umn.edu>, freebsd-stable@freebsd.org, Martin Horcicka <martin@horcicka.eu> Subject: Re: FreeBSD boots too fast on Dell PE850 Message-ID: <20060818104314.GF5529@rambler-co.ru> In-Reply-To: <20060818092255.GD55509@cdnetworks.co.kr> References: <44E51C93.5090000@umn.edu> <20060818021643.GA74158@dan.emsphone.com> <437bc1590608180151m1017a50cg31c7817d1aeb0dfe@mail.gmail.com> <20060818092255.GD55509@cdnetworks.co.kr>
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--65ImJOski3p8EhYV Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Fri, Aug 18, 2006 at 06:22:56PM +0900, Pyun YongHyeon wrote: > On Fri, Aug 18, 2006 at 10:51:07AM +0200, Martin Horcicka wrote: > > 2006/8/18, Dan Nelson <dnelson@allantgroup.com>: > > >In the last episode (Aug 17), Alan Amesbury said: > > >> OK, booting *too* quickly is a somewhat unusual problem..... I have > > >> FreeBSD 6.1-RELEASE-p3 running on a Dell PowerEdge 850. For some > > >> reason, in the PowerEdge 850 Dell chose to replace the perfectly > > >> adequate em(4) adapters found on the PE750 with bge(4) hardware. [...] > > It's a little hack but it works as expected. Anyway, in some cases it > > does not help. The NIC is probably reset at some later point. I have > > not investigated it further yet. > >=20 > > >Another thing to check is whether you have alias IPs. I believe the > > >bge driver has to reset the card every time you add or remove an IP. > > >I know the ti driver (whose chipset the broadcom chips are based on) > > >had that problem. > >=20 > > Yes, but I believe that all such operations are done by the netif scri= pt. > >=20 >=20 > I think it's job of device driver. If the driver find its link > negotiation is in progress it should not send frames. > Unfortunately not all drivers handle this correctly. >=20 But the bge's start() routine does this, and did it in 6.1-RELEASE, so it doesn't look like a problem in this particular case. : if (!sc->bge_link || IFQ_DRV_IS_EMPTY(&ifp->if_snd)) : return; Cheers, --=20 Ruslan Ermilov ru@FreeBSD.org FreeBSD committer --65ImJOski3p8EhYV Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (FreeBSD) iD8DBQFE5ZnCqRfpzJluFF4RAlMnAJ9llpKUN90I4BGXEiSPMPjAs7fWrgCaAkhM 4YefT6X+cA/7273qX71oFDk= =Ibxb -----END PGP SIGNATURE----- --65ImJOski3p8EhYV--
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