It happened again and it happened while I queued a number of video. The messages displayed were:
Sandbox: attempt to open unexpected file /sys/devices/system/cpu/online Sandbox: attempt to open unexpected file /proc/stat Sandbox: attempt to open unexpected file /proc/net/unix Sandbox: attempt to open unexpected file /proc/self/maps Sandbox: attempt to open unexpected file /proc/net/unix (firefox:1428435): GLib-GObject-WARNING **: 23:44:55.801: g_object_get_is_valid_property: object class 'GdkX11DeviceCore' has no property named 'device-id' (firefox:1428435): GLib-GObject-WARNING **: 23:45:21.546: g_object_get_is_valid_property: object class 'GdkX11DeviceCore' has no property named 'device-id' -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1929598 Title: Firefox rfuses to start YouTube display To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/firefox/+bug/1929598/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
