Bug#627568: [xserver-xorg-video-nouveau] Dual head problem: Flicker on 2nd monitor using GeForce 8500 GT
On 2011-05-24 12:17 +0200, Guy Heatley wrote:
> I think there is a problem with the reading of the EDID on the 2nd
> graphics card output with the nouveau driver on this nVidia card.
>
> I tried a much more modern monitor in the 2nd output and there was still
> no reading of the EDID.
> (I ran: xrandr --prop )
> The drm_kms_helper.poll=0 kernel parameter still fixed the blinking.
>
> The primary output on my card is a standard VGA connector.
> This 2nd output (physically) is a DVI-I output running in analogue mode.
> I use an adapter to change the connection to VGA as I don't have a
> monitor with a connector of any type other than VGA.
>
> I don't know if this adapter has a bearing on the monitor's ability to
> report its EDID to the card?
I don't know, but I suspect that it is possible. You could try to
connect the monitor to a different computer to find out.
Cheers,
Sven
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