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Date:      Mon, 26 Aug 2002 03:01:48 +0900 (JST)
From:      Mitsuru IWASAKI <iwasaki@jp.FreeBSD.org>
To:        marks@ripe.net
Cc:        acpi-jp@jp.FreeBSD.org, current@FreeBSD.ORG
Subject:   Re: Call for testers: acpica-unix-20020815
Message-ID:  <20020826.030148.95910346.iwasaki@jp.FreeBSD.org>
In-Reply-To: <20020825174051.GD2121@laptop.6bone.nl>
References:  <20020825165945.GC2121@laptop.6bone.nl> <20020826.023736.128622794.iwasaki@jp.FreeBSD.org> <20020825174051.GD2121@laptop.6bone.nl>

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> > > I have a Dell Latitude C640 and my screen won't come back after a suspend.
> > > The machine works fine besides that.
> > 
> > OK, I think this is not related with ACPI CA code update.
> 
> If that was not clear, it also didn't work before.

understood.  I meant that ACPI CA code changes won't
solve the individual device problems in many cases.

> > If you have this problem w/ X running, and don't have w/o X,
> > please try attached patches.
> 
> It's unrelated to X.
> 
> Other ideas?

How about this one?
http://people.freebsd.org/~iwasaki/acpi/vga_pci-20020228.tar.gz

This simply set PCI_POWERSTATE_D0 for VGA device on wakeup.

If this don't solve your problem, I think graphic chip need to be
re-initialized on wakeup.  Maybe needs time...
Some VAIO machines (w/ ATI graphic chip), also have the same problem.

Thanks

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