linuxmint / linuxmint/cinnamon

User login window not centered (dual monitors) after monitor energy saving mode

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#9,235 2 comments 0 reactions 0 assignees View on GitHub

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BUG
Dominant language
JavaScript
Stars
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Forks
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Avg merge
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Merged PRs (30d)
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Description

 * Linux Mint 19.3 Cinnamon version 4.4.8
 * 64 bit
 * Kernel 4.15.0-91-generic 
 * NVIDIA GeForce RTX 2060 (nvidia-driver-440)

Issue
See picture. User login window is not centered on main screen after dual monitors went in energy saving mode / screen saver got activated. The issue doesn't happen if I lock manual with CTRL + ALT + L.

Steps to reproduce
I am not sure if it's the the screen saver (15 minutes idle) or power management of monitors (10 minutes idle) which causes the issue, but if I come back after some time, the login UI is between both monitors.

Expected behaviour
Login UI centered on main monitor, not between dual monitors.

Other information
I saw this issue a long time ago already, with different kernels and nvidia drivers.

issue_cinnamon_login

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reproducing the login-window placement after dual monitors enter energy-saving mode or the screen saver activates, and compare it with a manual CTRL+ALT+L lock. Trace the login UI's monitor selection and centering behavior; done means the window is centered on the main monitor in both cases.

Written by the indexing model from the issue text.

Assessment

Tech stack
javascript
Domain
desktop
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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