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canonical / ubuntu-frame

The foundation for many embedded graphical display implementations
GNU General Public License v3.0
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When run as a user (not daemon) the cursor is not visible #165

Open AlanGriffiths opened 7 months ago

AlanGriffiths commented 7 months ago

Doesn't happen on Intel, doesn't happen when run as a daemon but seen on RPi400.

  1. Log into a VT on a classic system
  2. As the same user (on that VT or via ssh) run ubuntu-frame

Expect: cursor moves with mouse Actual: cursor not visible

Note: this is probably confinement related as refreshing with --devmode gives the expected behaviour

AlanGriffiths commented 7 months ago

Further note: I don't see this with mir-kiosk

mb-shorai commented 6 months ago

Jeez, I've spent quite some time thinking something is wrong with my setup. I can reproduce it in VirtualBox with Ubuntu 22.04 when running ubuntu-frame as a daemon vs user. Also, it works with --devmode indeed.

There are a couple of deny actions in the journal:

Mar 07 15:44:15 max audit[1045]: USER_AVC pid=1045 uid=103 auid=4294967295 ses=4294967295 subj=unconfined msg='apparmor="DENIED" operation="dbus_method_call"  bus="system" path="/org/freedesktop/login1/seat/seat0" interface="org.freedesktop.DBus.Properties" member="GetAll" mask="send" name=":1.7" pid=5166 label="snap.ubuntu-frame.ubuntu-frame" peer_pid=1057 peer_label="unconfined"
                                  exe="/usr/bin/dbus-daemon" sauid=103 hostname=? addr=? terminal=?'
Mar 07 15:44:15 max audit[5166]: AVC apparmor="DENIED" operation="open" profile="snap.ubuntu-frame.ubuntu-frame" name="/run/user/1000/#104" pid=5166 comm="frame" requested_mask="wr" denied_mask="wr" fsuid=1000 ouid=1000
Mar 07 15:44:15 max audit[5166]: AVC apparmor="DENIED" operation="open" profile="snap.ubuntu-frame.ubuntu-frame" name="/dev/shm/#11" pid=5166 comm="frame" requested_mask="wr" denied_mask="wr" fsuid=1000 ouid=1000