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Subset of power patch: subtractive decoding
- Subject: Subset of power patch: subtractive decoding
- From: truckman at FreeBSD.org (Don Lewis)
- Date: Sat Jan 10 18:12:32 2004
On 10 Jan, M. Warner Losh wrote:
> I've teased out the subtractive bridge decoding patches from the
> larger power patches. Please test them and let me know how things
> go. This eliminates hw.pci.allow_unsupported_io_range by fixing the
> underlying problem this was kludging around. Please test it and let
> me know how it is working for you. It should only make things better,
> and make nothing worse.
> This won't fix the other problems that the more complete power patches
> attempt to fix.
It works on my Thinkpad R40. I never needed
hw.pci.allow_unsupported_io_range. It doesn't eliminate my need for
hw.cbb.start_memory=0xC0800000 in /boot/loader.conf. Without this my
laptop hangs during boot.
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