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Date:      Tue, 1 May 2001 01:00:03 -0700 (PDT)
From:      <n_hibma@FreeBSD.ORG>
To:        freebsd-bugs@FreeBSD.org
Subject:   Re: kern/26920: PCI autoconfiguration of USB, dc ether, and pccard broken on SHARP PC-AR10
Message-ID:  <200105010800.f41803H73721@freefall.freebsd.org>

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The following reply was made to PR kern/26920; it has been noted by GNATS.

From: <n_hibma@FreeBSD.ORG>
To: Tony Finch <dot@dotat.at>
Cc: <freebsd-gnats-submit@FreeBSD.ORG>
Subject: Re: kern/26920: PCI autoconfiguration of USB, dc ether, and pccard
 broken on SHARP PC-AR10
Date: Tue, 1 May 2001 08:51:28 +0100 (BST)

 > >With all those strange values in your PCI configuration check that there
 > >is no BIOS setting that says
 > >
 > >	PnP OS:		yes.
 > >
 > >It should be no.
 >
 > There's no option like that. I wouldn't be surprised if the machine
 > is so new that it assumes "yes". However, I have had fairly good
 > luck in the past with the PNPBIOS kernel option, and when it hasn't
 > worked it has been because I haven't specified device configurations
 > in the kernel configuration file in enough detail, or because the
 > BIOS's PNP config info has been in the wrong order for the console
 > to work properly. Neither of those is the problem here.
 >
 > The problem as I see it seems to be independent of the PNP issue,
 > since it is a PCI problem and AFAIK PNP problems are tied to ISA
 > devices. I have the same problems with GENERIC, but obviously the
 > diagnostics are less helpful.
 
 The BIOS has to map the ports and interrupts in the cards. This 'PnP OS'
 switch determines whether or not the PCI interrupts and ports are
 mapped.
 
 > Is there a magic pciconf command I can use to give more useful
 > information?  pciconf -l seems unenlightening -- it has the same
 > information as the dmesg I quoted.
 
 No the information is all there is. It shows that some PCI ports are not
 mapped.
 
 > >Also, disable 'Legacy device support on USB' or 'USB keyboard support'
 > >if there is any. The fact that it can't start the USB controller means
 > >that somehow the thing doesn't respond to the RUN command.
 >
 > Yes, that's off. It looks to me as if the problem is more low level
 > than that. I'm back in England now, so if you have time to look at
 > the machine I can bring it round or we can have a pub meet or
 > something...
 
 
 Are you coming to the barbie at Cameron's place?
 
 Nick
 

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