[mythtv-users] mythfrontend over vnc crashes
pb.mythtv at gmail.com
Mon Mar 1 14:22:28 UTC 2021
On 3/1/21 9:13 AM, Grge Oliver wrote:
> On Mon, 2021-03-01 at 07:57 -0600, Leo Butler via mythtv-users wrote:
>> I upgraded my frontend and separate backend from ubuntu 18.04 to 20.04,
>> then upgraded myth from the .29 mythbuntu ppa to .31 (all due to the
>> pending changes involving the metadata grabbers).
>> The frontend and backend both work fine after the upgrade.
>> Before the upgrade, I was able to use vnc tunnelled over ssh to run
>> mythfrontend on the backend, too (I do most editing this way). Here is
>> the complete command to run the server:
>> Xtightvnc :100 -desktop MYTHTV_SERVER -auth
>> /home/mythtv-user/.Xauthority -geometry 1500x860 -depth 24 -rfbwait
>> 120000 -rfbauth /home/mythtv-user/.vnc/passwd -rfbport 6000 -fp
>> -co /etc/X11/rgb -nevershared
>> The vncserver runs a fluxbox window manager.
>> After the upgrade, that no longer works even though mythfrontend works
>> on the backend (under the gnome desktop). It looks like a Qt-related
>> problem, but I am at a loss how to fix it.
>> Attached are stdout and stderr from
>> mythfrontend > m.log 2> m.err.txt
>> in a terminal inside the fluxbox-managed vnc session.
> Can you simply `ssh -X` into the server? Ubuntu is running Wayland,
> so .Xauthority is no longer used, etc.. Is the vnc server running, or
> does it error out on start?
Mythfrontend does not run that way either. I believe the problem is with
OpenGL, does not run over a remote X session. mythfrontend was changed
to require OpenGL, where before it was optional.
You can use xrdp. I have used that for many years on Ubuntu and it
provides a remote login that supports OpenGL.
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