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Re: Intermittent blank screen – Stretch

Mike schreef op 2018-06-02 09:08:
On 02/06/18 08:11, floris wrote:
Mike schreef op 2018-06-01 01:27:
I have just installed Stretch and and randomly getting a 2 second (or
so) blank screen. I can go for quite some time without it happening,
or it can happen several times over a few minutes. I can dual boot
with Jessie and do not have the problem with that – so I think I can
rule out a hardware issue.

I have an Nvidia GTX1050 video card, HDMI output to a Samsung 49" TV,
4K video. There is no other type of input into the TV for me to be
able to test.

Here is what I have done
1. Installed Stretch (amd64) with XFCE
2. apt-get install firmware-linux nvidia-driver nvidia-settings nvidia-xconfig
3. run nvidia-xconfig
4. turned off screen blanking in power settings

I am quite happy to spend time troubleshooting, but don’t really know
where to start. The blanking happens too quickly for me to be able to
do anything at the time.

Does anyone have any thoughts?



You can try the NVidia driver module from backports [1] and/or run journalctl -f in a terminal and wait for the blank screen.

[1] https://packages.debian.org/stretch-backports/nvidia-driver

Thanks Floris. Nothing from journalctl -f.
Can you tell me what installing a backport might do? Is that a later
version of the driver (I only installed Stretch a couple of days ago)


In backports there is a newer version of the NVidia module with more bug fixes. Maybe this line is relevant: - Further improved the fix for occasional flicker when using the X driver's composition pipeline. This was mostly fixed in 390.42, but now the fix should be more complete.


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