[X2Go-User] Black screen with Fedora 34 KDE

[Michael Eager]

Hi Ulrich --

Anything I can do to help diagnose this problem?

On 9/5/21 1:22 PM, Michael Eager wrote:
> On 9/5/21 12:16 PM, Ulrich Sibiller wrote:
>> On Sun, Sep 5, 2021 at 6:02 PM Michael Eager <eager at eagerm.com> wrote:
>>>
>>> On 9/5/21 3:18 AM, Ulrich Sibiller wrote:
>>>> Well, that's not the same. Nxagent is derived from xnest and can be 
>>>> used
>>>> in the same manner. So for testing please try this:
>>>>
>>>> 1. Ssh -X fedoraserver in two shell > 2. In the first session  run  
>>>> nxagent -ac :5
>>>
>>> I get an NX Agent window, completely black.  Session started message in
>>> the shell.
>>>
>>>> 3. In the second run xterm -display :5
>>>
>>> I ran "konsole -display :5" and konsole opened in the NS Agent window.
>>
>> no, please run xterm -display :5 and run konsole from there. This is
>> to ensure all started program will get the right display.
> 
> Xterm was not previously installed.
> Installed xterm.  It displays an xterm window on NX Agent window.
> 
>>>
>>> In the shell, I get
>>> qt.qpa.xcb: X server does not support XInput 2
>>> qt.qpa.gl: QXcbConnection: Failed to initialize GLX
>>> qt.qpa.xcb: QXcbConnection: XCB error: 1 (BadRequest), sequence: 169,
>>> resource id: 225, major code: 130 (Unknown), minor code: 47
>>>
>>> I think that these are all informational, not errors.
>>
>> Hmm, not sure. At least the xkb thing looks suspicious.
>>
>>>> 4. In the xterm run startkde (or however kde is started on fedora)
>>>
>>> I get a popup (not on the NX Agent window) saying "Plasma seems to
>>> already running on this display".
>>
>> That's because you skipped the xterm step. The KDE framework is
>> referring to the local display...
> 
> (Actually, I previously replaced the xterm step with running konsole
> with the same command line options.  The popup was referring to the
> target, not the local display.  Running konsole probably started KDE.
> But it did confuse the test.)
> 
> Ran 'startkde' in the xterm window, I get message about XInput 2 and two
> messages about skipping syncing environment variable BASH_FUNC_which%%.
> The NX Agent window is otherwise mostly non-responsive.  Right or left
> click does nothing.  The cursor does change from | within the xterm to
> arrow outside of the xterm.  There is no window menu or title bar on
> the xterm window.  None of the KDE/Plasma widgets are displayed.
> 
> If I run 'konsole' in the xterm window, it displays in the NX Agent
> window.  There is no window title or decorations.
> 
> When I run VNCserver, the KDE/Plasma widgets are displayed.  Running
> konsole does show a window title bar with decorations.
>