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Bug #3975

closed

osmo-bsc crash during startup with nokia insite

Added by tnt almost 5 years ago. Updated almost 4 years ago.

Status:
Closed
Priority:
Normal
Assignee:
Category:
-
Target version:
-
Start date:
05/04/2019
Due date:
% Done:

0%

Spec Reference:

Description

After issuing the reset of the BTS, something goes wrong.

Relevant end of the log :

<0004> bts_nokia_site.c:1693 ABIS_OM_MDISC_FOM
<0004> bts_nokia_site.c:1521 (0x81) NOKIA_BTS_ACK
<0004> bts_nokia_site.c:1553 ACK = 1
<0014> input/lapd.c:541 LAPD DL-RELEASE request TEI=1 SAPI=62
<0014> lapd_core.c:2243 Message DL-RELEASE-REQUEST received in state LAPD_STATE_MF_EST (dl=0x91171c8)
<0014> lapd_core.c:2083 perform local release (dl=0x91171c8)
<0014> lapd_core.c:237 new state LAPD_STATE_MF_EST -> LAPD_STATE_IDLE (dl=0x91171c8)
<0014> lapd_core.c:230 stop T203 (dl=0x91171c8)
<0014> input/lapd.c:656 LAPD DL-RELEASE confirm TEI=1 SAPI=62
<0014> input/lapd.c:274 LAPD Freeing SAP for SAPI=62 / TEI=1 (dl=0x91171c8, sap=0x91171b8)
<0014> lapd_core.c:310 Resetting LAPDm instance
<0014> lapd_core.c:237 new state LAPD_STATE_IDLE -> LAPD_STATE_IDLE (dl=0x91171c8)
<0014> lapd_core.c:237 new state LAPD_STATE_IDLE -> LAPD_STATE_NULL (dl=0x91171c8)
<0014> lapd_core.c:1681 we are busy, send RNR (dl=0x91171c8)
Segmentation fault

So right after freeing the SAP, we try to send a RNR on the dl that was just freed so obviously this doesn't workout ...

I couldn't really generate a backtrace, gdb didn't give anything meaningful even on a binary with debug symbols.


Related issues

Related to OsmoBSC - Bug #1761: LAPD: segfault when bootstrapping Nokia InSiteResolvedlaforge07/03/2016

Actions
Related to OsmoBSC - Feature #4514: OM2000 Support for Ericsson RBS6000 / DUG 20Resolvedtnt04/27/2020

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