Hi Marcel,

Ok so I am currently running KStars/EKOS/indi build 3.5.5 Stable 2021-09-15T22:15:10Z this is on a raspberry Pi4 8GB running Ubuntu Mate 21.04.1 (Hirsuite Hippo) all updated and upgraded today and I am testing indoors as the weather is changeable.

A good change to the mount behaviour is that you can now power all of your equipment up and connect it all at the same time, mount included. You do not have to wait till it fails to connect anymore . The mount GUI now pops up fully loaded and connected in the indi gui mount tab.
Ensure that your "unpark from" and "park to" fields are correct for your current mount position (I use park 3 for both). Ensure that KStars is taking your location from whatever source you have decided as the mount will not unpark until this is known. The source of this info can be set in the indi options tab in the KStars settings menu.
Click cold start (the gui popups will warn you about setting parking and about location if this not set.)
Next click "unpark". The mount icon will then appear on the KStars planetarium.

It is normal AP experimental driver behaviour for the mount to stay in the "not tracking" state until you click "track". If you do not do this you can still slew to an object but unless you have started tracking before the slew you will need to start tracking after the slew. Again this is expected behaviour from the driver. Tracking does not occur automatically after a slew unless you have started tracking after unparking in which case tracking will continue until stopped or turned off. I hope that made sense .

I have not been able to reproduce the odd loss of mount connection you are experiencing but I will leave the mount tracking for a couple of hours to be sure. All I can think of to explain your mount disconnection is that it is important to use a powered hub for all connections. I have mount, scope camera and guide camera, GPS, flip flat and motor focuser all plugged into a USB 3 powered hub and this then connects to the Raspberry Pi4 USB3 port. I have nothing else connected to the Pi so all that gear connects through the single USB3. If your mount is connected direct to USB on your computer I would use a powered hub and see if that helps.

I will have another look through your logs but I could not see anything obvious on a first scan through.

Regards

Mike

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