Bad signalling message

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Lennart Müller mueller.lennart at googlemail.com
Tue Oct 16 08:44:00 UTC 2012


Hi,

some problems with latest git clone and nanoBTS 165AU...

<0002> gsm_04_08.c:412 -> LOCATION UPDATE ACCEPT
<0001> gsm_04_08.c:116 (bts 0 trx 0 ts 0 pd 05) Sending 0x02 to MS.
<0002> gsm_04_08.c:754 -> MM INFO
<0001> gsm_04_08.c:116 (bts 0 trx 0 ts 0 pd 05) Sending 0x32 to MS.
<0002> gsm_subscriber.c:337 Subscriber 262620001000026 ATTACHED LAC=10
<0003> gsm_04_08.c:1158 TX APPLICATION INFO id=0x00, len=4
<0001> gsm_04_08.c:116 (bts 0 trx 0 ts 0 pd 06) Sending 0x38 to MS.
<0000> abis_rsl.c:1542 (bts=0,trx=0,ts=0,ss=0) SAPI=0 DATA INDICATION
<0002> gsm_04_08.c:1045 TMSI Reallocation Completed. Subscriber:
262620001000026
<0000> chan_alloc.c:429 (bts=0,trx=0,ts=0,ss=0) starting release sequence
<0003> gsm_04_08_utils.c:231 Sending Channel Release: Chan: Number: 0 Type:
1
<0004> abis_rsl.c:618 (bts=0,trx=0,ts=0,ss=0) DEACTivate SACCH CMD
<0004> abis_rsl.c:1017 (bts=0,trx=0,ts=0,ss=0): MEAS RES for inactive
channel
<0004> abis_rsl.c:1017 (bts=0,trx=0,ts=0,ss=0): MEAS RES for inactive
channel
<0000> abis_rsl.c:1542 (bts=0,trx=0,ts=0,ss=0) SAPI=0 DATA INDICATION
<0004> bsc_api.c:638 Got data in non active state(RELEASE REQUESTED),
discarding.
<0019> input/ipaccess.c:454 Bad signalling message,sign_link returned error
<0019> input/ipaccess.c:260 Forcing socket shutdown with no signal link set
<001b> bsc_init.c:337 Lost some E1 TEI link: 1 0x81e4768
<001b> bsc_init.c:337 Lost some E1 TEI link: 2 0x81e4768

I have no clue if that is a problem of configuration, nanoBTS or abis
library. With an old version (Feb 2012), the message...
<0019> ipaccess.c:425 Bad signalling message,sign_link returned error.
...appears too, but socket is not being shut down.

Thanks,
LM
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