Project

General

Profile

Bug #4466

" N(S) sequence error" when operating osmo-bts-trx

Added by laforge 7 months ago. Updated 7 months ago.

Status:
Rejected
Priority:
Normal
Assignee:
sysmocom
Category:
osmo-bts-trx
Target version:
-
Start date:
03/20/2020
Due date:
% Done:

0%

Spec Reference:

Description

When operating current osmo-bts-trx master, I get quite a number of log messages about N(S) sequence errors:

<0000> rsl.c:813 (bts=0,trx=0,ts=1,pchan=TCH/F) (ss=0) TCH_F Tx CHAN ACT ACK
<0011> lapd_core.c:1557 N(S) sequence error: N(S)=0, V(R)=1 (dl=0x7f933b62aca8 state LAPD_STATE_MF_EST)
<0011> lapd_core.c:1557 N(S) sequence error: N(S)=0, V(R)=1 (dl=0x7f933b62aca8 state LAPD_STATE_MF_EST)
<0000> rsl.c:813 (bts=0,trx=0,ts=0,pchan=CCCH+SDCCH4) (ss=1) SDCCH Tx CHAN ACT ACK
<0011> lapd_core.c:921 Store content res. (dl=0x7f933b610f70)
<0000> rsl.c:792 (bts=0,trx=0,ts=0,pchan=CCCH+SDCCH4) (ss=0) SDCCH Tx CHAN REL ACK
<0000> rsl.c:813 (bts=0,trx=0,ts=2,pchan=TCH/F) (ss=0) TCH_F Tx CHAN ACT ACK
<0011> lapd_core.c:1557 N(S) sequence error: N(S)=0, V(R)=1 (dl=0x7f933b648278 state LAPD_STATE_MF_EST)
<0004> measurement.c:645 (bts=0,trx=0,ts=2,ss=0) Incorrect number of SUB measurements detected! (4 vs exp 3)
<0011> lapd_core.c:1557 N(S) sequence error: N(S)=0, V(R)=1 (dl=0x7f933b648278 state LAPD_STATE_MF_EST)
<0011> lapd_core.c:1557 N(S) sequence error: N(S)=1, V(R)=2 (dl=0x7f933b648278 state LAPD_STATE_MF_EST)
<0011> lapd_core.c:1557 N(S) sequence error: N(S)=1, V(R)=2 (dl=0x7f933b648278 state LAPD_STATE_MF_EST)
<0000> rsl.c:792 (bts=0,trx=0,ts=0,pchan=CCCH+SDCCH4) (ss=1) SDCCH Tx CHAN REL ACK
<0011> lapd_core.c:1557 N(S) sequence error: N(S)=2, V(R)=3 (dl=0x7f933b648278 state LAPD_STATE_MF_EST)
<0011> lapd_core.c:1557 N(S) sequence error: N(S)=1, V(R)=2 (dl=0x7f933b62aca8 state LAPD_STATE_MF_EST)
<0011> lapd_core.c:1557 N(S) sequence error: N(S)=2, V(R)=3 (dl=0x7f933b62aca8 state LAPD_STATE_MF_EST)
<0011> lapd_core.c:1557 N(S) sequence error: N(S)=3, V(R)=4 (dl=0x7f933b648278 state LAPD_STATE_MF_EST)
<0011> lapd_core.c:1557 N(S) sequence error: N(S)=3, V(R)=4 (dl=0x7f933b648278 state LAPD_STATE_MF_EST)
<0011> lapd_core.c:1557 N(S) sequence error: N(S)=3, V(R)=4 (dl=0x7f933b62aca8 state LAPD_STATE_MF_EST)[[]]


Related issues

Related to OsmoBTS - Bug #4467: bad voice quality in current osmo-bts-trx masterIn Progress03/20/2020

Related to OsmoBTS - Bug #3506: FACCH LAPDm sequence error (state LAPD_STATE_MF_EST)New08/28/2018

History

#1 Updated by laforge 7 months ago

  • Related to Bug #4467: bad voice quality in current osmo-bts-trx master added

#2 Updated by fixeria 7 months ago

  • Related to Bug #3506: FACCH LAPDm sequence error (state LAPD_STATE_MF_EST) added

#3 Updated by laforge 7 months ago

  • Status changed from New to Rejected

Let's track this in #3506

Also available in: Atom PDF

Add picture from clipboard (Maximum size: 48.8 MB)