Forum / NoMachine for Linux / Green bars and ghost images on remote screen
Tagged: display
- This topic has 6 replies, 3 voices, and was last updated 1 month, 3 weeks ago by
Britgirl.
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AuthorPosts
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December 27, 2022 at 09:10 #42129
freya93
ParticipantDear NoMachine team,
I’m connecting to a remote Ubuntu 20.04 machine, from my Pop OS 20.04 computer, both machines running NoMachine 8.2.3. Whenever I connect to the remote machine, I get weird ghost images on the desktop GUI and a big band of green at the top. Images are below. The image corruption worsens as I start to open windows or move the mouse. However I can connect to this machine remotely from a Macbook using NoMachine with no display issues. Is there anyway to address this issue?
Cheers,
F.
December 27, 2022 at 12:26 #42152katpan
ParticipantHello,
Please try to disable hardware decoding and let us know it that worked
December 27, 2022 at 13:27 #42159freya93
ParticipantHi,
I’ve tried that and it has not fixed the problem.
December 27, 2022 at 16:14 #42162katpan
ParticipantHi again!
In order to investigate, we need the logs from server side.
More info on how to collect logs here in this article: https://kb.nomachine.com/AR10K00697
Can you please send them by email to forum[at]nomachine[dot]com, making sure to reference the topic as the subject of the email?
Thanks!
December 30, 2022 at 09:14 #42212Britgirl
ParticipantServer logs look clean. We would need the Player side logs, from the client machine you are connecting from.
These are uptodate instructions for extracting the logs we need: https://kb.nomachine.com/DT07S00244
Also, you say you disabled HW decoding. How did you do that? It needs to be disabled completely on the Player side in the player.cfg file.
Edit the file $HOME/.nx/config/player.cfg and set the configuration key “Enable hardware accelerated decoding” to “disabled”. Before changing the configuration key, you should first quit the NoMachine Player (you can do this by right clicking on the !M icon in the system tray and selecting ‘Quit NoMachine Player’.) Then, try to connect again.
If you’ve done this and still encounter the issue, then send Player logs as I just mentioned.
January 10, 2023 at 02:57 #42393freya93
ParticipantOk I’ve updated the config file (previously I was just altering it in the Settings GUI for NoMachine, and I think it was resetting every time I reopened the program. This has fixed the ghost image issues, however now my connection to the remote machine is incredibly laggy. The mouse takes several minutes to move or respond. Is there no way around this without disabling hardware acceleration?
February 3, 2023 at 10:01 #42820Britgirl
Participanthowever now my connection to the remote machine is incredibly laggy. The mouse takes several minutes to move or respond.
It’s strange that lagginess would be caused by disabling hardware acceleration (which would mean falling back to software acceleration). Did you send us the Player logs as requested? Tick the box “Don’t delete logs on exit” in Security of the Player settings. Start a session, reproduce the behaviour and submit them as before.
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