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Bug #5133
closedmishandling of the sacch l1 header
Status:
Resolved
Priority:
Normal
Assignee:
-
Category:
-
Target version:
-
Start date:
04/26/2021
Due date:
% Done:
0%
Resolution:
Spec Reference:
Description
Osmocombb complains about unsupported lapdm sapi=4 messages in the downlink, looking at the wireshark capture it's obvious that this is because it sometimes (but not always?) interprets the l1 sacch header as beginning of the lapdm frame, i.e. si5 in frame 18 and the wrong sapi=4 version of it as seen by osmocombb in frame 21 in the capture.
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Related issues
Updated by Hoernchen over 1 year ago
Maybe related: https://gerrit.osmocom.org/c/osmocom-bb/+/29879
Updated by fixeria over 1 year ago
- Related to Bug #5791: mobile: "DLLAPD NOTICE lapdm.c:769 (dl=0x62c000000ef0) EA bit 0 is not allowed in GSM" added
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