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Date:      Mon, 19 Jun 2000 17:01:46 -0600
From:      Warner Losh <imp@village.org>
To:        "Andrew Reilly" <areilly@nsw.bigpond.net.au>
Cc:        Poul-Henning Kamp <phk@critter.freebsd.dk>, Mitsuru IWASAKI <iwasaki@jp.freebsd.org>, bfischer@Techfak.Uni-Bielefeld.DE, acpi-jp@jp.freebsd.org, dcs@newsguy.com, freebsd-current@FreeBSD.ORG, freebsd-hackers@FreeBSD.ORG
Subject:   Re: ACPI project progress report 
Message-ID:  <200006192301.RAA63461@harmony.village.org>
In-Reply-To: Your message of "Tue, 20 Jun 2000 08:55:31 %2B1000." <20000620085531.A38839@gurney.reilly.home> 
References:  <20000620085531.A38839@gurney.reilly.home>  <200006191630.KAA60652@harmony.village.org> <45525.961432574@critter.freebsd.dk> 

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In message <20000620085531.A38839@gurney.reilly.home> "Andrew Reilly" writes:
: That sounds way too hard.  Why not restrict suspend activity to
: user-level processes and bring the kernel/drivers back up through
: a regular boot process?  At least that way the hardware and drivers
: will know what they are all up to, even if some of it has changed
: in the mean time.

Takes too long...  That's shutdown, not S4.

: > Obviously the video driver will need to send a signal or clue to the
: > Xserver saying "you own the device, you'd better do something"
: 
: Yeah.  The X server has far too much "driver" level code in it
: already, so probably needs to be tweaked to re-initialise itself
: properly.

Yes.  Likely.  But if we're going to support sleep modes, we'll need
to do this.

Warner


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