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SubjectRe: [BUG] ACPI/dynamic-hybrid-graphics (?) on Vaio VPCZ11 - screen does not light up on resume [was: Re: Intel Arrandale IGP - screen does not light up on resume]
Date
For now I've got a workaround:
adding these 2 lines to my resume script makes the laptop monitor light up:

xrandr --output DP3 --off
xrandr --output DP3 --auto

Eric


Le lundi 7 juin 2010 14:31:33, Eric Lacombe a écrit :
> I find a way to light up the screen of my laptop after resume (but the
> solution is not really satisfactory) :
> When the resume step seems complete, I plug an auxiliary monitor through
> the VGA connector, and the laptop screen light up immediately.
>
> Any idea on the source of this problem ? and how to resolve it ?
>
> Thanks in advance for your response.
>
> Eric
>
> Le samedi 5 juin 2010 00:13:17 Eric Lacombe, vous avez écrit :
> > Hi, (the introduction is at the end of this one, it comes from a previous
> > mail sent to Zhenyu Wang)
> >
> > I was thinking that it could come from bogus ACPI tables.
> >
> > Someone said to me (from sony-vaio-z-series@lists.launchpad.net) that
> > with a patched BIOS (that someone does and that I don't really want to
> > test) that allows to access a more advanced menu from my laptop, it will
> > allows to have the switch button (that switches between nvidia chipset
> > and Intel IGP) behave statically and not dynamically as it does now.
> > And it seems that with its laptop he was able to resume correctly from
> > the nvidia chipset.
> >
> > I added Dave Airlie, as I know he played with hybrid-graphics (by the way
> > switcheroo make crashed my laptop)
> >
> > I could send to you my DSDT if it could give you some clues on what
> > screwed things up. Just ask to me.
> >
> > If someone has any idea, I could do some tests, try some patchs ?
> > And as always feel free to ask me more information if you need.
> >
> > Best regards,
> >
> > Eric
> >
> > Le lundi 31 mai 2010 01:42:39, Eric Lacombe a écrit :
> > > Hi,
> > >
> > > I've got a problem with my laptop (powered by i7 Arrandale, it's a Sony
> > > Vaio Z11Z9E), when I resume from "suspend to ram" my screen does not
> > > light up. X uses the Intel IGP.
> > > Maybe it is an issue with the driver of the IGP of the Core i7
> > > Arrandale?
> > >
> > > I currently use Linux 2.6.34, and have tested 2.6.33 and 2.6.32 (I see
> > > on google that there were some problems about Intel IGP and
> > > blackscreen. I was hit by them too at that time)
> > >
> > > If you have any suggestions or if you want me to test any patch, I
> > > would be glad to do so.
> > > Feel free to ask me any information I could provide to you about this
> > > problem.
> > >
> > > Best regards,
> > >
> > > Eric
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