GPRS trafic in PCU - type BVC-UNBLOCK unknown // Protocol error - unspecified

Osmocom Mailing List osmocom at
Mon Feb 5 22:12:00 UTC 2018


I'm trying to run GPRS in my network. So far I get flooded with the 
bellow trafic in the PCU and the GGNS doesn't appear to receive any 

<000c> gprs_bssgp_bss.c:294 BSSGP (BVCI=2) Tx BVC-RESET CAUSE=O&M 
<000c> gprs_bssgp.c:551 BSSGP BVCI=0 Rx BVC STATUS, cause=Protocol 
error - unspecified
<000c> gprs_bssgp_pcu.cpp:348 Rx BSSGP BVCI=0 (SIGN) PDU type 
<000c> gprs_bssgp_util.c:238 BSSGP BVCI=0 Tx STATUS, cause=Protocol 
error - unspecified
<000c> gprs_bssgp_pcu.cpp:298 Rx BSSGP BVCI=0 (SIGN) BVC_RESET_ACK
<000c> gprs_bssgp_pcu.cpp:835 Sending unblock on BVCI 2
<000c> gprs_bssgp_bss.c:274 BSSGP (BVCI=2) Tx BVC-BLOCK
<000c> gprs_bssgp.c:289 Cell 1-1-1-0 CI 0 on BVCI 2

Filipe Laíns <>

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