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Bug #3211
closedgscon breaks dynamic timeslots: TCH/F_TCH/H_PDCH cannot switch from PDCH to TCH
Start date:
04/24/2018
Due date:
% Done:
100%
Spec Reference:
Description
The gscon FSM in osmo-bsc cannot handle the Osmocom style dyn ts switchover:
it wants to set the lchan state to Activation Requested and expects an activation ack,
while the dyn ts still wants to go through Release Requested for PDCH -> Release Ack and then request Activation.
20180424232915446 DRSL DEBUG abis_rsl.c:2638 (bts=0,trx=0,ts=2,pchan=TCH/F_TCH/H_PDCH as PDCH) starting switchover to TCH/H 20180424232915446 DRSL DEBUG abis_rsl.c:2679 (bts=0,trx=0,ts=2,ss=0) state ACTIVE -> RELEASE REQUESTED 20180424232915446 DRSL DEBUG abis_rsl.c:873 (bts=0,trx=0,ts=2,ss=0) RF Channel Release 20180424232915446 DRSL DEBUG bsc_api.c:160 (bts=0,trx=0,ts=2,ss=0) state RELEASE REQUESTED -> ACTIVATION REQUESTED 20180424232915447 DMSC NOTICE bsc_subscr_conn_fsm.c:540 SUBSCR_CONN[0x612000001d20]{WAIT_CRCX_BTS}: state_chg to WAIT_ASS_CMPL 20180424232915505 DRSL DEBUG abis_rsl.c:943 (bts=0,trx=0,ts=2,ss=0) RF CHANNEL RELEASE ACK 20180424232915505 DRSL NOTICE abis_rsl.c:972 (bts=0,trx=0,ts=2,ss=0) CHAN REL ACK but state ACTIVATION REQUESTED 20180424232915506 DRSL DEBUG abis_rsl.c:86 (bts=0,trx=0,ts=2,ss=0) state ACTIVATION REQUESTED -> NONE 20180424232915506 DMSC INFO osmo_bsc_api.c:447 Tx MSC ASSIGN FAIL 20180424232915506 DMSC NOTICE osmo_bsc_api.c:448 SUBSCR_CONN[0x612000001d20]{WAIT_ASS_CMPL}: Received Event RR_ASSIGN_FAIL 20180424232915506 DMSC INFO osmo_bsc_sigtran.c:325 Tx MSC ASSIGNMENT FAIL
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