[jira] [Commented] (GUACAMOLE-340) VNC slow and much of screen is black

["Michael Jumper (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/GUACAMOLE-340?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16214704#comment-16214704 ] 

Michael Jumper commented on GUACAMOLE-340:
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If you use another non-Guacamole VNC viewer but *not* the RealVNC viewer, such as Remmina, do you see the same screen corruption?

> VNC slow and much of screen is black
> ------------------------------------
>
>                 Key: GUACAMOLE-340
>                 URL: https://issues.apache.org/jira/browse/GUACAMOLE-340
>             Project: Guacamole
>          Issue Type: Bug
>    Affects Versions: 0.9.12-incubating
>         Environment: ChromeOS
>            Reporter: Matt Prager
>         Attachments: Screenshot 2017-07-06 at 9.33.46 AM.png, Screenshot 2017-07-06 at 9.34.16 AM.png
>
>
> The screenshots below show the issue best. Exact same computer and server. In one screenshot, using RealVNC's viewer, it looks great; using Guacamole, it's covered with black splotches. I'm not sure how to debug this as it's obviously not an issue with the connection or the VNC server (I'm using UltraVNC) since the one viewer works fine, but let me know what information you need to help figure out why this is happening.
> My VNC settings in Guacamole are nothing more that the minimum required (port, username, password).



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