Ultra encoding + Track Remote Cursor Locally combination of settings will cause vnc viewer to hang.
To reproduce:
1) Configure VNC viewer to use the Ultra encoding.
2) Cursor handling mode must be set to Track Remote Cursor Locally
3) Connect to a VNC server. In order to reproduce the issue some screen activity should by happening on the server side.Just play c:\windows\clocks.avi in the Media Player for example.
4) Hover mouse cursor over the viewer window.
I'm getting hang within seconds. It seems like there is a deadlock that occurs during screen updates processing and cursor updates processing.
Update: UltraVNC 1.4.3.6 and UltraVNC SC 1.4.3.6: https://forum.uvnc.com/viewtopic.php?t=37885
Important: Please update to latest version before to create a reply, a topic or an issue: https://forum.uvnc.com/viewtopic.php?t=37864
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Important: Please update to latest version before to create a reply, a topic or an issue: https://forum.uvnc.com/viewtopic.php?t=37864
Join us on social networks and share our announcements:
- Website: https://uvnc.com/
- GitHub: https://github.com/ultravnc
- Mastodon: https://mastodon.social/@ultravnc
- Facebook: https://www.facebook.com/ultravnc1
- X/Twitter: https://x.com/ultravnc1
- Reddit community: https://www.reddit.com/r/ultravnc
- OpenHub: https://openhub.net/p/ultravnc
BUG: 1.0.8.2: Ultra encoding + Track Remote Cursor Locally
BUG: 1.0.8.2: Ultra encoding + Track Remote Cursor Locally
Last edited by averkiev on 2010-01-13 23:02, edited 2 times in total.