Date: Mon, 23 Mar 2009 16:08:59 -0400 From: John Baldwin <jhb@freebsd.org> To: freebsd-current@freebsd.org Cc: Mars G Miro <spry@anarchy.in.the.ph>, pyunyh@gmail.com Subject: Re: sk/msk no more Message-ID: <200903231609.00039.jhb@freebsd.org> In-Reply-To: <200903231158.28121.jhb@freebsd.org> References: <f12f408a0903151922p22475836s1d840e8e2cf203a2@mail.gmail.com> <f12f408a0903202008h7fa41c56o8b8f804c03d063f8@mail.gmail.com> <200903231158.28121.jhb@freebsd.org>
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On Monday 23 March 2009 11:58:27 am John Baldwin wrote: > On Friday 20 March 2009 11:08:35 pm Mars G Miro wrote: > > On Sat, Mar 21, 2009 at 12:42 AM, John Baldwin <jhb@freebsd.org> wrote: > > > 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> wro= te: > > >> > What if you set 'hw.pci.mcfg=3D0' in loader? > > >> > > > >> > > >> That did it! Even w/ ACPI enabled in the BIOS, the sk/msk NICs don't > > >> get lost anymore. > > >> > > >> pciconf and verbose dmesg: http://pastebin.com/f31621191 > > >> > > >> btw, what does this knob actually do ? > > > > > > mcfg is a mechanism for doing faster PCI config access using a memory= =20 > mapped > > > window. =A0Can you grab the output of 'acpidump -t'? > > > > >=20 > > /* > > MCFG: Length=3D60, Revision=3D1, Checksum=3D46, > > OEMID=3DIntelR, OEM Table ID=3DAWRDACPI, OEM Revision=3D0x42302= e31, > > Creator ID=3DAWRD, Creator Revision=3D0x0 > >=20 > > Base Address=3D 0x00000000e0000000 > > Segment Group=3D 0x0000 > > Start Bus=3D 0 > > End Bus=3D 0 > > */ >=20 > Hmm, your BIOS is rather buggy and claims to only support MCFG for bus 0.= I=20 > will work on a fix. I think I will make the code fall back to the old co= nfig=20 > mechanism when an MCFG region doesn't include the requested bus. Try the patch at http://www.FreeBSD.org/~jhb/patches/pci_mcfg.patch and let me know how it goes. =2D-=20 John Baldwin
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