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Date:      Fri, 20 Mar 2009 12:42:08 -0400
From:      John Baldwin <jhb@freebsd.org>
To:        Mars G Miro <spry@anarchy.in.the.ph>
Cc:        pyunyh@gmail.com, freebsd-current@freebsd.org
Subject:   Re: sk/msk no more
Message-ID:  <200903201242.09167.jhb@freebsd.org>
In-Reply-To: <f12f408a0903192024h71235e1bg91e23a25a13352f1@mail.gmail.com>
References:  <f12f408a0903151922p22475836s1d840e8e2cf203a2@mail.gmail.com> <200903191126.15390.jhb@freebsd.org> <f12f408a0903192024h71235e1bg91e23a25a13352f1@mail.gmail.com>

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On Thursday 19 March 2009 11:24:24 pm Mars G Miro wrote:
> On Thu, Mar 19, 2009 at 11:26 PM, John Baldwin <jhb@freebsd.org> wrote:
> > On Monday 16 March 2009 12:10:21 am Mars G Miro wrote:
> >> On Mon, Mar 16, 2009 at 11:31 AM, Pyun YongHyeon <pyunyh@gmail.com>=20
wrote:
> >> > On Mon, Mar 16, 2009 at 10:22:40AM +0800, Mars G Miro wrote:
> >> >> Hi guys,
> >> >>
> >> >> =A0 =A0I upgraded a box w/ sk and msk NICs running 7.1-RELEASE to l=
atest
> >> >> -CURRENT =A0to try out the new USB2 stuff but my sk/msk NICs don't =
work
> >> >> anymore:
> >> >>
> >> >> =A0 =A0http://pastebin.com/m28a41b14
> >> >>
> >> >> =A0 =A0Saw this first last Friday, March 13, and re-csup'd a few ho=
urs ago
> >> >> and the problem is still there.
> >> >>
> >> >> =A0 =A0Any thoughts? Thanks.
> >> >>
> >> >
> >> > I don't see sk(4)/msk(4) hardwares in your dmesg output.
> >> > Does "pciconf -lcv" show your controller?
> >>
> >> That's the problem, the hardware disappears:
> >
> > What if you set 'hw.pci.mcfg=3D0' in loader?
> >
>=20
> That did it! Even w/ ACPI enabled in the BIOS, the sk/msk NICs don't
> get lost anymore.
>=20
> pciconf and verbose dmesg: http://pastebin.com/f31621191
>=20
> btw, what does this knob actually do ?

mcfg is a mechanism for doing faster PCI config access using a memory mappe=
d=20
window.  Can you grab the output of 'acpidump -t'?

=2D-=20
John Baldwin



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