[X2Go-User] Cannot launch GThumb (double free or corruption)

[Bernd Schubert]

On 12/5/19 2:50 PM, Nicolas Ecarnot wrote:
> $ vlc ./20191009_214537_small.jpg
> VLC media player 3.0.8 Vetinari (revision 3.0.8-0-gf350b6b5a7)
> [000055d437f7f5b0] main libvlc: Lancement de vlc avec l'interface par
> défaut. Utiliser « cvlc » pour démarrer VLC sans interface.
> qt.qpa.xcb: X server does not support XInput 2
> qt.glx: qglx_findConfig: Failed to finding matching FBConfig (8 8 8 0)
> qt.glx: qglx_findConfig: Failed to finding matching FBConfig (1 8 8 0)
> qt.glx: qglx_findConfig: Failed to finding matching FBConfig (1 1 8 0)
> qt.glx: qglx_findConfig: Failed to finding matching FBConfig (1 1 1 0)
> qt.glx: qglx_findConfig: Failed to finding matching FBConfig (1 1 1 0)
> No XVisualInfo for format QSurfaceFormat(version 2.0, options
> QFlags<QSurfaceFormat::FormatOption>(), depthBufferSize -1,
> redBufferSize 1, greenBufferSize 1, blueBufferSize 1, alphaBufferSize
> -1, stencilBufferSize -1, samples -1, swapBehavior
> QSurfaceFormat::SingleBuffer, swapInterval 1, colorSpace
> QSurfaceFormat::DefaultColorSpace, profile  QSurfaceFormat::NoProfile)
> Falling back to using screens root_visual.
> [... repeating the errors above 10 times]
> free(): double free detected in tcache 2
> Abandon (core dumped)
> 

Can you try to run this through valgrind to get a more useful trace?

Btw, I'm also running the same ubuntu version and don't get that.