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Bug #1979

Priority of SAPI=0/SAPI=3 on SABM

Added by laforge over 3 years ago. Updated 22 days ago.

Status:
Resolved
Priority:
Normal
Assignee:
sysmocom
Category:
-
Target version:
-
Start date:
03/10/2017
Due date:
% Done:

100%

Spec Reference:

Description

In RT#1205sysmocom got a trace that showed a message flow like the following resulting in a re-transmission by the Mobile Station

MS                                             BTS
    - SABM SAPI=0, Paging Response ---->   
    <- SABM SAPI=3 ---------------------
    <- SABM ACK (UA?) for SAPI=0    ----
    - SABM SAPI=0, Paging Response ---->
</prE>

We need to investigate if we should start sending messages with SAPI=0 first or if there are other priority requirements that we need to consider.

Related issues

Related to libosmocore - Bug #4731: LAPDm does not implement SAPI priorities between data link layersStalled08/26/2020

History

#1 Updated by laforge over 1 year ago

  • Assignee set to sysmocom

#2 Updated by laforge 22 days ago

  • Related to Bug #4731: LAPDm does not implement SAPI priorities between data link layers added

#3 Updated by laforge 22 days ago

  • Status changed from New to Resolved
  • % Done changed from 0 to 100

this has been fixed with commit Ia3780bce1222b312ae2fd2d21496a4d6c5ccb6e0 in libosmocore

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