Date: Sun, 12 Mar 2006 09:50:11 -0800 From: Nate Lawson <nate@root.org> To: Karlheinz Eckmeier <Karlheinz.Eckmeier@t-online.de> Cc: freebsd-acpi@FreeBSD.org Subject: Re: backlight off after resume on Samsung X25 Message-ID: <44145F53.1030709@root.org> In-Reply-To: <20060310140536.GA5076@abakus> References: <20060310140536.GA5076@abakus>
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Karlheinz Eckmeier wrote: > I have a problem to resume on a Samsung X25 laptop after putting the system into > the S3 sleep modus. The suspend works ok, but after the resume the backlight of > the LCD is off. > > The resume seems to work ok otherwise - the system itself is up and running, > it's possible to enter commands on the commandline. > > I tried to switch back and forth between VTYs and used radeontool to switch > the backlight on, but the screen stayed black. > > Please see the output of dmesg (after boot -v) and "sysctl hw.acpi" below. > The output of "acpidump -t -d" may be downloaded from > http://khe.v3consulting.com/khe-SamsungX25.asl > > Recompiling the asl with iasl worked without any errors and warnings. > > Further infomation about the system: > Laptop: Samsung X25 > Graphic: ATI Mobility Radeon X600 > OS: FreeBSD 6.0 > > I you need more information, please let me know. > > Any hints to fix this problem are appreciated very much, because I would > love to get the S3 mode working. Try: * without drm loaded * In X or in console mode * with acpi_video loaded * with acpi_video + dpms patch that was floating around * with radeontool -- Nate
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