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Re: Multi-display - one monitor active but blank



It couldn't be a dodgy cable, could it?

Mark
On Tue, 22 Mar 2016 at 07:57, Oliver Elphick <olly@lfix.co.uk> wrote:
On Mon, 2016-03-21 at 17:27 -0400, Felix Miata wrote:
> Oliver Elphick composed on 2016-03-21 21:01 (UTC):
>
> >
> > I have two monitors; the second one sometimes comes to life but is
> > usually blank. However, the system thinks that it is active and
> > displaying.
> > 
> Which Debian?

MATE testing

# cat /etc/debian_version 
stretch/sid

(up to date)

> What gfxchip powers your displays?

Card: Nvidia 
01:00.0 VGA compatible controller: NVIDIA Corporation GT218 [NVS 300]
(rev a2)

(I hope that is an answer!)

> Maybe you hit a known bug, such as:
> https://bugzilla.kernel.org/show_bug.cgi?id=94171

It is not the same chipset as reported in that bug, and I don't know
what I'm doing well enough to play with randr at the moment.

> Show us Xorg.0.log and .xsession-errors and maybe we can help.

.xsession-errors does not exist, so far as I can see. As far as the
system is concerned, it doesn't think that there is any error. 

Xorg.0.log attached. Both monitors are recognised.

Thanks for any suggestions.


--
Oliver Elphick
Lincolnshire, England

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