Calibre segmentation fault under Xvfb headless server

[Jugdish]

I'm running into a problem launching the calibre client on my Ubuntu system, under a virtual desktop environment using Xvfb + LXDE. This is running on DISPLAY :1.

I remote into the LXDE session, open a terminal window, and try to launch calibre. It segfaults with this message:

Xlib:  extension "GLX" missing on display ":1".
Segmentation fault

I am running the latest version (calibre 2.47). Note that calibre launches just fine if run in a regular X session on DISPLAY :0. This error is specific to the Xvfb virtual session running on DISPLAY :1.

Any ideas?

[gbm]

Originally Posted by Jugdish

I'm running into a problem launching the calibre client on my Ubuntu system, under a virtual desktop environment using Xvfb + LXDE. This is running on DISPLAY :1.

I remote into the LXDE session, open a terminal window, and try to launch calibre. It segfaults with this message:

Xlib:  extension "GLX" missing on display ":1".
Segmentation fault

I am running the latest version (calibre 2.47). Note that calibre launches just fine if run in a regular X session on DISPLAY :0. This error is specific to the Xvfb virtual session running on DISPLAY :1.

Any ideas?

Try it with out using xvfb-run.
Please see this post.

bernie

[Jugdish]

Originally Posted by gbm

Try it with out using xvfb-run.
Please see this post.

bernie

I'm not using xvfb-run at all. I'm simply typing "calibre" in the virtual terminal.

[Keimix]

Hi

Originally Posted by Jugdish

Xlib:  extension "GLX" missing on display ":1".
Segmentation fault

Any ideas?

The problem is not primarily with calibre, but with the Xvfb headless X-server. This server is missing the GLX extension.
Your standard X-server on Display :0 has this extension, so calibre runs there.

I don't know if or how you can enable this extension in Xvfb but maybe Google might help, if you look with this info.

Greetings Ralf