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Bug #2972

Attempting to Activate SDCCH/8 on BCCH/CCCH timeslot crashes OsmoBTS in assert

Added by laforge over 2 years ago. Updated over 2 years ago.

Status:
Resolved
Priority:
Normal
Assignee:
Category:
-
Target version:
-
Start date:
02/21/2018
Due date:
% Done:

100%

Spec Reference:

Description

When trying to activate sub-slot 7 of an SDCCH/8 on TS0 (BCCH), OsmoBTS crashes:

<0000> rsl.c:164 (bts=0,trx=0,ts=0,pchan=CCCH+SDCCH4) RSL rx DCHAN: mismatching chan_nr=0x78
<0000> rsl.c:2464 (bts=0,trx=0,ts=0,ss=7) Rx RSL CHAN_ACTIV
<0000> rsl.c:975  chan_nr=0x78 type=0x00 mode=0x00
<0006> l1sap.c:1370 activating channel chan_nr=0x78 trx=0
<0006> scheduler.c:1383 Activating SDCCH/8(7) on trx=0 ts=0
<0006> scheduler.c:1383 Activating SACCH/8(7) on trx=0 ts=0
<0006> scheduler.c:1432 Set mode 3, 0, handover 0 on SDCCH/8(7) of trx=0 ts=0
<0006> scheduler.c:1497 Set a5/0 uplink for SDCCH/8(7) on trx=0 ts=0
<0006> scheduler.c:1497 Set a5/0 uplink for SACCH/8(7) on trx=0 ts=0
<0006> scheduler.c:1497 Set a5/0 downlink for SDCCH/8(7) on trx=0 ts=0
<0006> scheduler.c:1497 Set a5/0 downlink for SACCH/8(7) on trx=0 ts=0
<0006> l1sap.c:577 activate confirm chan_nr=0x78 trx=0
Assert failed lchan_nr < 4 gsm_data_shared.c:668
backtrace() returned 17 addresses
./osmo-bts-virtual(+0xbbe5) [0x55c13e8a5be5]
./osmo-bts-virtual(+0x11bfb) [0x55c13e8abbfb]
./osmo-bts-virtual(+0x1ccde) [0x55c13e8b6cde]
./osmo-bts-virtual(+0x9df2) [0x55c13e8a3df2]
./osmo-bts-virtual(+0xa640) [0x55c13e8a4640]
./osmo-bts-virtual(+0x1bdef) [0x55c13e8b5def]
./osmo-bts-virtual(+0x1e4a0) [0x55c13e8b84a0]
./osmo-bts-virtual(+0x14a46) [0x55c13e8aea46]
./osmo-bts-virtual(+0x17360) [0x55c13e8b1360]
./osmo-bts-virtual(+0x20be5) [0x55c13e8babe5]
/usr/local/stow/libosmo-abis/lib/libosmoabis.so.6(+0xd26d) [0x7f7a26cf126d]
/usr/local/stow/libosmo-abis/lib/libosmoabis.so.6(+0xadea) [0x7f7a26ceedea]
/usr/local/stow/libosmocore/lib/libosmocore.so.9(osmo_select_main+0x1c1) [0x7f7a2645aa71]
./osmo-bts-virtual(+0x1f3e4) [0x55c13e8b93e4]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xea) [0x7f7a2586df2a]
./osmo-bts-virtual(+0x7d7a) [0x55c13e8a1d7a]

History

#1 Updated by laforge over 2 years ago

  • Status changed from New to In Progress
  • % Done changed from 0 to 80

#2 Updated by laforge over 2 years ago

  • Status changed from In Progress to Resolved
  • % Done changed from 80 to 100

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