libretro / libretro/RetroArch

Going to the RA menu while netplaying over the Madrid relay server causes desync and/or disconnects

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bug: netplay netplay
Dominant language
C
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Description

Going to the RA menu while netplaying over the Madrid relay server causes bad lag and/or disconnects.
Edit: Our guess is that it is caused by the game pausing when going to the menu, so probably pausing is the problem, not going to the menu.
I´m on the Retroarch Discord server under the name "Steve" and always happy to help you testing.

CC
@hasenbanck

Steps to reproduce the bug

Play a SNES game over netplay via the Madrid relay server and just press f1. It will always at least cause bad lag for your friend or even disconnect.

Version/Commit
  • RetroArch 1.8.7
Environment information
  • OS: Windows 10

Contributor guide

Open the contributing guide

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 issue with RetroArch 1.8.7 on Windows 10: play a SNES game over netplay through the Madrid relay server and press F1. Investigate the pause or menu transition during netplay, then verify that opening the RA menu no longer causes severe lag, desynchronization, or disconnects.

Written by the indexing model from the issue text.

Assessment

Tech stack
c
Domain
networking
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
30/100

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