Hello carlos,
I am using this on all our computers and I have no problem.
com-diffabs@diffabs6:~$ dpkg -l | grep silx
ii python-silx 0.11.0+dfsg-1~bpo10+1
amd64 Toolbox for X-Ray data analysis - Python2
library
ii python-silx-dbg 0.11.0+dfsg-1~bpo10+1
amd64 Toolbox for X-Ray data analysis - Python2 debug
ii python-silx-doc 0.11.0+dfsg-1~bpo10+1
all Toolbox for X-Ray data analysis - Documentation
ii python3-silx 0.11.0+dfsg-1~bpo10+1
amd64 Toolbox for X-Ray data analysis - Python3
ii python3-silx-dbg 0.11.0+dfsg-1~bpo10+1
amd64 Toolbox for X-Ray data analysis - Python3 debug
ii silx 0.11.0+dfsg-1~bpo10+1
all Toolbox for X-Ray data analysis - Executables
Could it be a problem with the OpenGL drivers on your computer ?
Do you have a backtrace from gdb available ?
