Date: Sun, 14 Dec 2003 21:28:32 +0100 From: Guido van Rooij <guido@gvr.org> To: Nate Lawson <nate@root.org> Cc: current@freebsd.org Subject: Re: ACPI problem Message-ID: <20031214202832.GA96797@gvr.gvr.org> In-Reply-To: <20031212135444.B53967@root.org> References: <20031209114400.G43006@root.org> <20031212185907.GA61783@gvr.gvr.org> <20031212135444.B53967@root.org>
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On Fri, Dec 12, 2003 at 01:57:35PM -0800, Nate Lawson wrote: > > > > > > 1. Try different states (S1-S4) and see if one of them works. > > > > I have a system where S3 leads to an immediate reboot. S4 leads to > > a hang. S2 is not available. > > S1 leads to a nice suspend, except that the LCD is not powered off. > > Resume works okay. > > When I push the lid button when in the boot loader, the LCD is powered > > off. In Windows everything works like expected. > > In the loader, the BIOS is still controlling the display. Since you > mention that S1 works on recent Linux kernels for your D600, I'll look Can you tell me wheer in the ACPI files this stuff is implemented? I'd like to help but given the limited amount of reading I did, I can't figure out where/how exactly the LCD is powered off. > into what we do differently. It appears only S1 and S5 are working for > Linux. They have a working OS S4 implementation though. -Guido
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