[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete => Expired
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I wouldn't expect the setting to be remembered across reboots, but it is
a setting on the graphics card, so maybe it is remembered?...
Also, I don't think "off" is a default that we should ever aim for.
Upstream would probably reject that because for many types of monitor
"off" will look worse.
Alright, got the computer to reboot a second time and it appears as if the
problem is fixed! The gradient on the login screen isn't a perfect
gradient, but that's a different issue.
Maybe dithering should be forced "off" in a near future update?
On Sun, Apr 7, 2019, 10:00 PM Daniel van Vugt
Upon doing the first command you suggested, after a reboot, the PC screen
turned on and off a few times and now the screen is just black. I'm
force-rebooting the PC now and seeing if I'll regain the image on my screen.
On Sun, Apr 7, 2019, 10:00 PM Daniel van Vugt
wrote:
> That's good news.
>
>
That's good news.
Now please try these while the image is open:
xrandr --output DVI-I-1 --set "dithering mode" "off"
or
xrandr --output DVI-I-1 --set "dithering mode" "static 2x2"
and change 'DVI-I-1' if you are using a different connector now.
** Changed in: linux (Ubuntu)
Hey Dan,
So I attempted to open the image on my machine, and it still happens,
unfortunately.
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https://bugs.launchpad.net/bugs/1819023
Title:
[nouveau] Scrolling screen
2. Actually maybe use this image (higher quality): https://user-
images.githubusercontent.com/15329494/44345316-4c2d8700-a493-11e8-8691-6e9d0978fdcc.png
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Jeb,
We first need some more information from you to verify we're looking in
the right place. Please:
1. Log into "Ubuntu" (not "Ubuntu on Wayland") so as to ensure you are
using Xorg.
2. Open this image in a new tab or window: https://news-
I don't have these problems with Windows on the device, either.
I really hope a fix gets implemented. Thank you.
On Tue, Apr 2, 2019, 10:45 PM Daniel van Vugt
wrote:
> Thanks for the animation.
>
> I think that flicker is occurring in the LCD itself. The reason is that
> the old gradient (which
Those properties are unique to the nouveau kernel driver...
https://01.org/linuxgraphics/gfx-docs/drm/drm-kms-properties.html
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https://bugs.launchpad.net/bugs/1819023
But before any fix is attempted we should probably verify the problem
really is that "auto" is defaulting to "dynamic 2x2" and that's what
looks too flickery.
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Thanks for the explanation!
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https://bugs.launchpad.net/bugs/1819023
Title:
[nouveau] Scrolling screen flicker, especially on default Ubuntu lock
screen
Status in linux
I thought of that and don't think it's similar.
The problem here sounds like nouveau is using some rather dynamic
dithering ("dynamic 2x2"??) and it would look better if more static.
Even if that means more banding.
So nouveau seems to correctly know it should use dithering. The only
remaining
Daniel, is this similar to LP: #1819968?
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https://bugs.launchpad.net/bugs/1819023
Title:
[nouveau] Scrolling screen flicker, especially on default Ubuntu lock
screen
Thanks for the animation.
I think that flicker is occurring in the LCD itself. The reason is that
the old gradient (which was only used in Ubuntu 18.10) covers more
colours than 24-bit RGB can support. On top of that, if your monitor is
only 18-bit RGB in hardware then you will see even fewer
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