Bug#999729: freecad: Reproducible sigsement at create new or open existing file

[pi at mcraspi4.dmz.cosmicstars.de]

Package: freecad
Version: 0.18~pre1+dfsg1-5+rpi1
Severity: important

Dear Maintainer,

install on RaspberryPi 4 freecad.
Start freecad
Create new file crashes freecad with:

Coin warning in cc_glglue_instance(): Error when setting up the GL context. This can happen if there is no current context, or if the context has been set up incorrectly.
Program received signal SIGSEGV, Segmentation fault.
#0  /lib/arm-linux-gnueabihf/libc.so.6(__default_sa_restorer+0) [0xb33e4110]


-- System Information:
Distributor ID:	Raspbian
Description:	Raspbian GNU/Linux 10 (buster)
Release:	10
Codename:	buster
Architecture: armv7l

Kernel: Linux 5.10.63-v7l+ (SMP w/4 CPU cores)
Kernel taint flags: TAINT_CRAP
Locale: LANG=de_DE.UTF-8, LC_CTYPE=de_DE.UTF-8 (charmap=UTF-8) (ignored: LC_ALL set to de_DE.UTF-8), LANGUAGE=de_DE.UTF-8 (charmap=UTF-8) (ignored: LC_ALL set to de_DE.UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages freecad depends on:
ii  freecad-python2  0.18~pre1+dfsg1-5+rpi1
ii  freecad-python3  0.18~pre1+dfsg1-5+rpi1

Versions of packages freecad recommends:
pn  calculix-ccx  <none>
pn  graphviz      <none>

Versions of packages freecad suggests:
pn  freecad-doc     <none>
pn  povray          <none>
pn  python-collada  <none>

-- no debconf information