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Date: Sat, 17 Jan 2004 15:08:10 -0700 (MST)
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To: pete@altadena.net
From: "M. Warner Losh" <imp@bsdimp.com>
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cc: current@freebsd.org
Subject: Re: allow_unsupported_io_range
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In message: <20040117.133410.17267747.imp@bsdimp.com>
            "M. Warner Losh" <imp@bsdimp.com> writes:
: In message: <20040117141129.GA28446@users.altadena.net>
:             Pete Carah <pete@altadena.net> writes:
: : Someone removed (or changed) "hw.pci.allow_unsupported_io_range".  This breaks
: : LOTS of laptops, in particular the pccard hardware.  Causes a hang after
: : init is started...
: 
: That was me.  Before, we handled bridges incorrectly.  I did add one
: item to the allocation stuff.  We now have a higher chance of
: collision of resources, which causes the problems.

I've committed some code that restores the old resource allocation
scheme to pci_pci.c.  The new one will be needed for the lazy resource
allocation patches I'm working on, but I'll resolve those issues.

Warner