I id some tests, and while root was able to create thumbnails in nautilus, I checked the logs and found:
Feb 17 09:20:51 comet kernel: audit: type=1400 audit(1708158051.561:1699): apparmor="DENIED" operation="userns_create" class="namespace" info="User namespace creation restricted" error=-13 profile="unconfined" pid=142479 comm="bwrap" requested="userns_create" denied="userns_create" Feb 17 09:20:51 comet kernel: audit: type=1400 audit(1708158051.565:1700): apparmor="DENIED" operation="userns_create" class="namespace" info="User namespace creation restricted" error=-13 profile="unconfined" pid=142480 comm="bwrap" requested="userns_create" denied="userns_create" Feb 17 09:20:51 comet kernel: audit: type=1400 audit(1708158051.569:1701): apparmor="DENIED" operation="userns_create" class="namespace" info="User namespace creation restricted" error=-13 profile="unconfined" pid=142481 comm="bwrap" requested="userns_create" denied="userns_create" This coincides with me deleting the bogus 1x1 thumbnails an re-entering the folder... ** Bug watch added: github.com/flatpak/flatpak/issues #5462 https://github.com/flatpak/flatpak/issues/5462 -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to nautilus in Ubuntu. https://bugs.launchpad.net/bugs/2054183 Title: nautilus not generating thumbnails anymore To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nautilus/+bug/2054183/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs
