Comment 17 for bug 1725955

This started happening to me after I upgraded from Ubuntu 19.04 to 19.10. Now I get a steady spam of pop-ups and the only thing in the logs that seems related are colord messages like the one from #6:

out 31 13:08:47 maragogi colord[1784]: failed to get session [pid 19534]: No data available
out 31 13:13:31 maragogi colord[1784]: failed to get session [pid 4408]: No data available
out 31 13:32:07 maragogi colord[1784]: failed to get session [pid 19534]: No data available
(...)
out 31 14:00:20 maragogi colord[1784]: failed to get session [pid 19534]: No data available
out 31 14:00:38 maragogi colord[1784]: failed to get session [pid 19534]: No data available
out 31 14:01:05 maragogi colord[1784]: failed to get session [pid 19534]: No data available
out 31 14:01:37 maragogi colord[1784]: failed to get session [pid 19534]: No data available
out 31 14:01:56 maragogi colord[1784]: failed to get session [pid 19534]: No data available
out 31 14:02:14 maragogi colord[1784]: failed to get session [pid 19534]: No data available
out 31 14:02:34 maragogi colord[1784]: failed to get session [pid 19534]: No data available
out 31 14:03:02 maragogi colord[1784]: failed to get session [pid 19534]: No data available
out 31 14:03:22 maragogi colord[1784]: failed to get session [pid 19534]: No data available
out 31 14:03:40 maragogi colord[1784]: failed to get session [pid 19534]: No data available
out 31 14:04:09 maragogi colord[1784]: failed to get session [pid 19534]: No data available
out 31 14:04:31 maragogi colord[1784]: failed to get session [pid 19534]: No data available
out 31 14:04:49 maragogi colord[1784]: failed to get session [pid 19534]: No data available
out 31 14:05:05 maragogi colord[1784]: failed to get session [pid 19534]: No data available
out 31 14:05:23 maragogi colord[1784]: failed to get session [pid 19534]: No data available
out 31 14:05:53 maragogi colord[1784]: failed to get session [pid 19534]: No data available
out 31 14:06:13 maragogi colord[1784]: failed to get session [pid 19534]: No data available
out 31 14:06:32 maragogi colord[1784]: failed to get session [pid 19534]: No data available
out 31 14:07:19 maragogi colord[1784]: failed to get session [pid 19534]: No data available
out 31 14:07:38 maragogi colord[1784]: failed to get session [pid 19534]: No data available
out 31 14:08:06 maragogi colord[1784]: failed to get session [pid 19534]: No data available
out 31 14:08:24 maragogi colord[1784]: failed to get session [pid 19534]: No data available
out 31 14:08:43 maragogi colord[1784]: failed to get session [pid 19534]: No data available
out 31 14:09:10 maragogi colord[1784]: failed to get session [pid 19534]: No data available

The referenced PIDs:

claviola 4408 0.0 0.1 991904 26724 ? Ssl out30 0:04 /usr/lib/gnome-settings-daemon/gsd-color
root 19534 0.0 0.0 105252 12528 ? Ss 00:00 0:03 /usr/sbin/cupsd -l