Comment 11 for bug 1626742

More information:
After the restart, the log has vanished...
I did another restart and the log file was back with this content:
------
phablet@ubuntu-phablet:~$ cat ~/.cache/upstart/application-legacy-ubuntu-system-settings-.log
Loading module: 'libubuntu_application_api_touch_mirclient.so.3.0.0'
qml: Page_QMLTYPE_27(0x5b5230, "systemSettingsPage")"System Settings": In Ubuntu.Components 1.3, the use of Page.title, Page.flickable and Page.head is deprecated. Use Page.header and the PageHeader component instead.
BrightnessItem::BrightnessItem(const QVariantMap&, QObject*) ubuntu.widi.supported: 0
2016-09-27 07:55:38,707 - WARNING - Last frame took 41 ms to render.
2016-09-27 07:55:49,391 - WARNING - QObject::startTimer: Timers cannot be started from another thread
------
Notif panel still filled ok

BR
Wilfrid