Same problem here. But I know it is AppArmor that is blocking the obsidian snap. On first run, it is ok, but then it blocks. The dmesg command shows issues accessing
/run/mount/utab
/snap/core/10823/usr/share/locale/fr/LC_MESSAGES/snappy.mo
but I don’t know how to fix them:
[42104.606318] audit: type=1400 audit(1614628405.833:533): apparmor=“DENIED” operation=“open” profile=“snap.obsidian.obsidian” name="/run/mount/utab" pid=353761 comm=“obsidian” requested_mask=“r” denied_mask=“r” fsuid=2508 ouid=0
[42661.813027] audit: type=1400 audit(1614628963.031:534): apparmor=“DENIED” operation=“open” profile=“snap.obsidian.obsidian” name="/snap/core/10823/usr/share/locale/fr/LC_MESSAGES/snappy.mo" pid=358243 comm=“snap-exec” requested_mask=“r” denied_mask=“r” fsuid=2508 ouid=0