Has anybody had success running Quartus 20.1 on Ubuntu 20.04

Quartus 20.1 works well on Ubuntu 18.04, but when I try on Ubuntu 20.04, I get this error:

Info: Command: quartus_sh --lower_priority --flow compile top

Info: Quartus(args): compile top

Info: Using INI file /home/oyvind/ascenium/ascenium2/hardware/ascenium_top/quartus.ini

mremap_chunk(): invalid pointer