Comment 52 for bug 1824874

seeing more people encountering this - thought I'd share my observations:
- did not see this for a few weeks now
- toyed around with nextcloud for a bit yesterday (the new desktop sync client)
- also tried to connect a (hacked) amazon fire hd10 tablet (which failed, also tried to get connection using gMTP, then left my system to sleep/idle)
- came back to the invisible/unclickable thingie
- alt-f2 + r gets rid of it as usual

last journalctl says:
(especially the last three entries seem interesting)

Sep 04 11:09:45 hostname gvfsd[54716]: A connection to the bus can't be made
Sep 04 11:09:45 hostname gvfsd[56942]: A connection to the bus can't be made
Sep 04 11:09:45 hostname gvfsd[56925]: A connection to the bus can't be made
Sep 04 11:09:45 hostname gvfsd[1976]: A connection to the bus can't be made
Sep 06 12:00:03 hostname gvfsd[120538]: Device 0 (VID=18d1 and PID=0281) is UNKNOWN in libmtp v1.1.17.
Sep 06 12:00:03 hostname gvfsd[120538]: Please report this VID/PID and the device model to the libmtp development team
Sep 06 12:00:03 hostname gvfsd[120538]: Error 1: Get Storage information failed.
Sep 06 12:00:06 hostname gvfsd[120538]: PTP: reading event an error 0x05 occurred
Sep 06 12:00:07 hostname gvfsd[120538]: Android device detected, assigning default bug flags
Sep 06 15:08:14 hostname dbus-daemon[1189]: [system] Activating via systemd: service name='org.freedesktop.Avahi' unit='dbus-org.freedesktop.Avahi.service' requested by ':1.552' (uid=1000 pid=42440 comm="/usr/libexec/gvfsd-dnssd --spawner :1.3 /org/gtk/g" label="unconfined")
Sep 06 15:08:15 hostname gvfsd[1927]: A connection to the bus can't be made
Sep 06 15:08:15 hostname gvfsd[5385]: A connection to the bus can't be made
Sep 06 15:08:15 hostname gvfsd[8198]: A connection to the bus can't be made
Sep 06 15:08:15 hostname gvfsd[40339]: A connection to the bus can't be made
Sep 06 15:08:15 hostname gvfsd[42440]: A connection to the bus can't be made
Sep 06 15:08:15 hostname gvfsd[8448]: A connection to the bus can't be made
Sep 06 15:08:15 hostname gvfsd[50589]: A connection to the bus can't be made
Sep 06 15:17:00 hostname polkitd(authority=local)[1215]: Operator of unix-session:2 FAILED to authenticate to gain authorization for action org.gtk.vfs.file-operations-helper for unix-process:7445:35881 [/bin/sh -c pkexec /usr/libexec/gvfsd-admin "$@" --address $DBUS_SESSION_BUS_ADDRESS gvfsd-admin --spawner :1.3 /org/gtk/gvfs/exec_spaw/2] (owned by unix-user:username)
Sep 06 15:17:00 hostname pkexec[7446]: username: Error executing command as another user: Request dismissed [USER=root] [TTY=unknown] [CWD=/home/username] [COMMAND=/usr/libexec/gvfsd-admin --spawner :1.3 /org/gtk/gvfs/exec_spaw/2 --address unix:path=/run/user/1000/bus]
Sep 06 15:17:00 hostname gvfsd[7446]: Error executing command as another user: Request dismissed
username@hostname:~$ ^C