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Bug #4800

closed

SI2quater parsing error in BTS_Tests.ttcn

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

Status:
Resolved
Priority:
High
Assignee:
Category:
-
Target version:
-
Start date:
10/11/2020
Due date:
% Done:

100%

Spec Reference:

Description

21:38:37.344963 bts mtc BTS_Tests.ttcn:3972 Message with id 8 was extracted from the queue of L1CTL.
21:38:37.345042 bts mtc GSM_SystemInformation.ttcn:270 dec_SystemInformationSafeBT(): Stream before decoding: '050607A8A0364AA698D72FF424FEEE0506D5E7FFF02043'O
21:38:37.345840 bts mtc GSM_SystemInformation.ttcn:270 Warning: While RAW-decoding type '@GSM_SystemInformation.SystemInformation': There is not enough bits in
 the buffer to decode type @GSM_RestOctets.UTRAN_GPRSMeasParamsDescOpt.presence.
21:38:37.345977 bts mtc GSM_SystemInformation.ttcn:270 Warning: While RAW-decoding type '@GSM_SystemInformation.SystemInformation': There is not enough bits in
 the buffer to decode type @GSM_RestOctets.SI2quaterAdditions.rel5_presence.
21:38:37.346111 bts mtc GSM_SystemInformation.ttcn:270 dec_SystemInformationSafeBT(): Decoded @GSM_SystemInformation.SystemInformation: { header := { l2_plen :
= { l2_plen := 1, zero_one := '01'B }, skip_indicator := 0, rr_protocol_discriminator := 6, message_type := SYSTEM_INFORMATION_TYPE_2quater (7) }, payload := {
 si2quater := { rest_octets := { ba_ind := '1'B, ba_3g_ind := '0'B, mp_change_mark := '1'B, si2quater_index := 4, si2quater_count := 5, meas_params_desc := { p
resence := '0'B, desc := omit }, gprs := { rt_diff_desc := { presence := '0'B, desc := omit }, bsic_desc := { presence := '0'B, desc := omit }, rep_prio_desc :
= { presence := '0'B, desc := omit }, meas_params_desc := { presence := '0'B, desc := omit } }, nc_meas_params := { presence := '0'B, params := omit }, ext_inf
o := { presence := '0'B, info := omit }, utran_neigh_desc := { presence := '1'B, desc := omit }, utran_meas_params_desc := { presence := '1'B, desc := '0100001
1001000001111000011111111111001111101010100000110000001011110111011111110001001001111010000101111110101111001100010100110010010100110'B }, utran_gprs_meas_para
ms_desc := { presence := ''B, desc := omit }, rel_additions := { rel5_presence := ''B, rel5 := omit } } } } }
21:38:37.346499 bts mtc GSM_SystemInformation.ttcn:271 Failed to decode (RR) System Information: '050607A8A0364AA698D72FF424FEEE0506D5E7FFF02043'O
21:38:37.346791 bts mtc BTS_Tests.ttcn:3975 Ignoring non-RR or invalid SI { header := { msg_type := L1CTL_DATA_IND (3), flags := { padding := '0000000'B, f_don
e := false }, padding := '0000'O }, dl_info := { chan_nr := { u := { ch0 := RSL_CHAN_NR_BCCH (16) }, tn := 0 }, link_id := { c := FACCH_SDCCH (0), na := false,
 prio := SAPI0_PRIO_NORMAL (0), sapi := 0 }, arfcn := { pcs := false, arfcn := 871 }, frame_nr := 206, rx_level := 0, snr := 0, num_biterr := 0, fire_crc := 0 
}, payload := { data_ind := { payload := '050607A8A0364AA698D72FF424FEEE0506D5E7FFF02043'O } } }

I guess either the SI2quater binary the test is feeding to the BTS via RSL is incorrect, or the decoder has a bug. Either way, the SI2quater related tests fail, which is not good.


Related issues

Related to Cellular Network Infrastructure - Bug #4662: ttcn3-bts-test: both TC_si_sched_13_2bis_2ter_2quater and TC_si_sched_2quater are brokenResolvedfixeria07/11/2020

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