Hi,
I then use rssi-app to find the strongest reference cell and modify openbts.db
You obviously can't read ...
In http://bb.osmocom.org/trac/wiki/Software/Transceiver
it's clearly stated : "Warning: Only set GSM.Radio.C0 to an ARFCN you have a valid license for. " So if you modify openbts.db to set it to the strongest reference cell, you've just built a jammer for the local cell, congrats ...
But when I upload the firmware Lost messages occur after a series of stale burst-messages.
Those are inconsequential as long at they happen only at the beginning. At bootup there is too much load for the phone with all the initialization going on, but as long as "Lost" are "around" 1875 or appear during TDMA sync, they won't have any impact.
L1CTL_NEIGH_PM_REQ new list with 8 entries
You're doing something else wrong because at no point will the TRX app do L1CTL_NEIGH_PM_REQ ...
Cheers,
Sylvain