linuxmint / linuxmint/cinnamon
Fractional scaling issue on Mint 20 with proprietary Nvidia drivers
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Description
* Cinnamon version 4.6.3
* Distribution - Mint 20 beta
* Nvidia RTX 2060 Mobile, nvidia proprietary driver 440.82+really.440.64-ubuntu6
* 64 bit
Issue
Fractional scaling scales desktop viewport instead of content when using proprietary Nvidia drivers:
- setting zoom level to 125% shrinks the viewport to cca 3/4 of the screen with unusable space on the right and bottom sides of the screen
- setting zoom level to 75% causes content overflow to the right and bottom sides of the screen, with screen containing about 3/4 of the viewport
Steps to reproduce
- Install Linux Mint 20 beta
- Install nvidia proprietary drivers 440
- Set zoom level to 125% in display settings
Expected behaviour
Fractional scaling scales content, not viewport
Other information
Possibly related to https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/1870736
Contributor guide
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reproducing the fractional-scaling behavior in Cinnamon 4.6.3 on Linux Mint 20 beta with the proprietary Nvidia 440 driver, following the listed display-settings steps. Done means 125% and 75% zoom scale the desktop content correctly rather than shrinking or overflowing the viewport.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- linux
- Domain
- desktop-dev, operating-systems
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 42/100