Thanks Josh.
I *think* that there are two issues you are facing:
1. The nouveau kernel driver doesn't support your Nvidia GPU properly,
which is why "I have to boot with `nouveau.modeset=0`, otherwise boot
hangs at Plymouth after entering my disk encryption password.". But that
doesn't matter too much here since the desktop will be rendered using
the Intel GPU instead.
2. i3wm doesn't seem to be using compositing, so tearing and flickering
is expected. Maybe you can configure i3wm to enable compositing, or
maybe it doesn't support it at all. Either way that is a problem with
i3wm only.
Only #2 is the real problem here. If you would like to avoid tearing
then I suggest you will need to use a different window manager or
desktop environment. Not i3wm.
** Package changed: totem (Ubuntu) => ubuntu
** Changed in: ubuntu
Status: Incomplete => Invalid
** No longer affects: gnome-shell (Ubuntu)
** Summary changed:
- Tearing and/or flickering when using Intel graphics
+ Tearing and/or flickering when using i3wm
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You received this bug notification because you are a member of Desktop
Packages, which is subscribed to gnome-shell in Ubuntu.
https://bugs.launchpad.net/bugs/1811808
Title:
Tearing and/or flickering when using i3wm
Status in Ubuntu:
Invalid
Bug description:
When using Intel graphics on my hybrid Nvidia laptop, videos in Totem
have awful tearing/flickering which makes them essentially
unwatchable.
With default X settings, I get tearing across the top of the screen
(but I also get very noticeable tearing in other applications); if I
enable TearFree (which eliminates tearing in Chrome), the tearing
turns into jagged black flickers which extend from the top of the
screen right down to near the bottom of the screen on some frames.
The flickers are visible in screenshots, so I have attached one.
Ubuntu version: Ubuntu 18.04.1
Totem version: 3.26.0-0ubuntu6.1
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