[Buildroot] Problem with qt5webkit on ARM?

["Jérôme Pouiller" <jezz@sysmic.org>]

Hello Allan,

On Tuesday 06 September 2016 02:39:21 Allan Chandler wrote:
> We are trying to get the qt5webkit (5.5.0 from BR 2015.11) package
> running on an iMX6 device and we're getting asserts from the code.
> 
> Originally, I thought it may be our application (a cut-down browser)
> but it appears the browser in the qt5webkit-examples package has
> exactly the same issue.
> 
> It manifests itself with the output (the last section is the important
> one): =====
> QEglFSVivIntegration will set environment variable FB_MULTI_BUFFER=2
> to enable double buffering and vsync. If this is not desired, you can
> override this via: export QT_EGLFS_IMX6_NO_FB_MULTI_BUFFER=1
> 
> Unable to query physical screen size, defaulting to 100 dpi.
> To override, set QT_QPA_EGLFS_PHYSICAL_WIDTH and
> QT_QPA_EGLFS_PHYSICAL_HEIGHT (in millimeters).

I have not tested Qt + EGLFS + iMX6 since a while, but I remember that I 
have felt it was not stable enough to be used on real projects. Maybe 
things are better now. However, I suggest to try Xorg backend, if it is 
possible.

BR,

-- 
J?r?me Pouiller, Sysmic
Expert Linux Embarqu?