Bug#825140: vlc: freezes playing and fast-forwarding MKV File

Sebastian Ramacher sramacher at debian.org
Tue May 31 07:13:31 UTC 2016

Hi Maria,

sorry for the delay.

On 2016-05-25 14:55:42, Maria wrote:
> Dear Sebastian,
> a day (and a sleep) later I found out how to solve the new problems:
> I had to delete the config file in ~/.config/vlc manually.
> The setting Interface>Main Interface>Interface-Modul=Qt-Interface seems
> to be broken and leads to an unstartable installation until you manually
> delete the config file.
> I realized that the graphical problems were no consequence of
> deinstalling libvdpau-va-gl1. They existed before in Dragon Player as
> well, I just never tried to fullscreen Dragon Player before and vlc did
> not play it.
> Nonetheless these were solved using Video>Ausgabemodule(output
> modules)>Videoausgabemodul="OpenGL GLX Videoausgabe (XCB)" or
> "X11-Videoausgabe (XCB)" while the setting OpenGL... in combination with
> Video>Ausgabemodule>OpenGL>OpenGL-Erweiterung="EGL Erweiterung für
> OpenGL" is smoother than automatic and a little sharper than X11-Vid...
> on my computer.
> A last question I do have: When I understood the package descriptions
> etc. right then the problems are lying in playing the video over the
> hardware? How do I find out wether (or which) driver is not working or
> if this is due to faulty hardware?

You have an Intel GPU, right? Which generation? Do you use the -intel driver for
X or the mode setting driver?


> Thanks alot for your help - I am really relieved right now.
> Maria

Sebastian Ramacher
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