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Bug #6308
closedosmo-gsm-tester_virtual sporadically fails due to double received frames at the MS side.
Start date:
12/13/2023
Due date:
% Done:
30%
Spec Reference:
Description
If the test does not fail, every message is received once by the MS:
20231213113720692 DL1C DEBUG SDCCH/4(0) on TS0 (0001/24/22) -47 dBm: 01 73 49 05 08 70 00 f1 10 00 00 30 08 09 10 10 00 00 00 00 00 2b 2b (l1ctl.c:218) 20231213113720692 DLLAPD DEBUG (dl=0x62c000000ec0) Frame received at FN 2572. (lapdm.c:988) 20231213113720693 DLLAPD INFO (dl=0x62c000000ec0) UA received in state LAPD_STATE_SABM_SENT (lapd_core.c:1224) 20231213113720693 DLLAPD INFO (dl=0x62c000000ec0) UA in SABM state (lapd_core.c:1278) 20231213113720693 DLLAPD INFO (dl=0x62c000000ec0) stop T200 (lapd_core.c:257) 20231213113720693 DLLAPD INFO (dl=0x62c000000ec0) new state LAPD_STATE_SABM_SENT -> LAPD_STATE_MF_EST (lapd_core.c:279) 20231213113720693 DLLAPD INFO (dl=0x62c000000ec0) lapd_send_i() called from line 1303 (lapd_core.c:1946) 20231213113720693 DRSL INFO (ms 00000) Received 'EST_CONF' from L2 in state connection pending (link_id 0x0) (gsm48_rr.c:6793) 20231213113720693 DRR INFO new state connection pending -> dedicated (gsm48_rr.c:477) 20231213113720693 DMM INFO (ms 00000) Received 'RR_EST_CNF' from RR in state wait for RR connection (location updating) (sapi 0) (gsm48_mm.c:4603) 20231213113720693 DMM INFO starting T3210 (loc. upd. timeout) with 20.0 seconds (gsm48_mm.c:503) 20231213113720693 DMM INFO new state wait for RR connection (location updating) -> location updating initiated (gsm48_mm.c:1068)
If the test fails, every frame is received twice by the MS:
20231213084248025 DL1C DEBUG SDCCH/8(1) on TS1 (0001/08/04) -47 dBm: 01 73 49 05 08 70 00 f1 10 00 00 30 08 09 10 10 00 00 00 00 00 2b 2b (l1ctl.c:218) 20231213084248025 DLLAPD DEBUG (dl=0x62c000000ec0) Frame received at FN 2452. (lapdm.c:988) 20231213084248025 DLLAPD INFO (dl=0x62c000000ec0) UA received in state LAPD_STATE_SABM_SENT (lapd_core.c:1224) 20231213084248025 DLLAPD INFO (dl=0x62c000000ec0) UA in SABM state (lapd_core.c:1278) 20231213084248025 DLLAPD INFO (dl=0x62c000000ec0) stop T200 (lapd_core.c:257) 20231213084248025 DLLAPD INFO (dl=0x62c000000ec0) new state LAPD_STATE_SABM_SENT -> LAPD_STATE_MF_EST (lapd_core.c:279) 20231213084248025 DLLAPD INFO (dl=0x62c000000ec0) lapd_send_i() called from line 1303 (lapd_core.c:1946) 20231213084248025 DRSL INFO (ms 00000) Received 'EST_CONF' from L2 in state connection pending (link_id 0x0) (gsm48_rr.c:6793) 20231213084248025 DRR INFO new state connection pending -> dedicated (gsm48_rr.c:477) 20231213084248025 DMM INFO (ms 00000) Received 'RR_EST_CNF' from RR in state wait for RR connection (location updating) (sapi 0) (gsm48_mm.c:4603) 20231213084248025 DMM INFO starting T3210 (loc. upd. timeout) with 20.0 seconds (gsm48_mm.c:503) 20231213084248025 DMM INFO new state wait for RR connection (location updating) -> location updating initiated (gsm48_mm.c:1068) 20231213084248033 DL1C DEBUG SDCCH/8(1) on TS1 (0623/25/04) -47 dBm: 01 73 49 05 08 70 00 f1 10 00 00 30 08 09 10 10 00 00 00 00 00 2b 2b (l1ctl.c:218) 20231213084248033 DLLAPD DEBUG (dl=0x62c000000ec0) Frame received at FN 826357. (lapdm.c:988) 20231213084248033 DLLAPD INFO (dl=0x62c000000ec0) UA received in state LAPD_STATE_MF_EST (lapd_core.c:1224) 20231213084248033 DLLAPD INFO (dl=0x62c000000ec0) unsolicited UA response! (discarding) (lapd_core.c:1256) 20231213084248033 DLLAPD NOTICE (dl=0x62c000000ec0) sending MDL-ERROR-IND cause 3 from state LAPD_STATE_MF_EST (lapd_core.c:481) 20231213084248033 DLLAPD NOTICE (dl=0x62c000000ec0) sending MDL-ERROR-IND 3 (lapdm.c:679) 20231213084248033 DRSL INFO (ms 00000) Received 'ERROR_IND' from L2 in state dedicated (link_id 0x0) (gsm48_rr.c:6793) 20231213084248033 DRR NOTICE MDL-Error (cause 3) ignoring (gsm48_rr.c:6462)
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