PDTCH and PTCCH activation

Neels Hofmeyr nhofmeyr at sysmocom.de
Thu Jul 21 12:18:43 UTC 2016


On Thu, Jul 21, 2016 at 01:19:55PM +0200, Neels Hofmeyr wrote:
> The first one missing for a dyn TS is:
> 
>  DRLL <0000> abis_rsl.c:1913 (bts=0,trx=0,ts=2,ss=0) SAPI=0 ESTABLISH INDICATION
> 
> So I tried to find its root. The log on the BSC is from receiving an RLL
> message from the BTS, so I tried to find out where it's sent in the BTS:

DRSL <0000> rsl.c:2265 (bts=0,trx=0,ts=2,ss=1) Fwd RLL msg EST_IND from LAPDm to A-bis

lapdm_rll_tx_cb() is sending, i.e. forwarding, the EST_IND.
So it seems I'm not getting the EST_IND I need because of earlier
misconfiguration of sorts.

I hope to find it soon, especially because TCH/H slot 1 of a TS seems to
work and only TCH/H slot 0 is failing, just after switchover.

~Neels

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