In the previous assembly, everything was normal.
File this as a new bug and provide a sample .blend as well. Mention the following bug in your report: https://developer.blender.org/T69853
Fix T69853: Object orientation is wrong with some AMD deprecated drivers.
but for the moment if you want it to work well also on linux, you have to start blender with
for those on some GPUs Radeon HD has problems with shadows and lights in eevee
must start blender with
R600_DEBUG=nosb ./blender --debug-gpu-force-workarounds