Pau Espin Pedrol has submitted this change and it was merged. (
https://gerrit.osmocom.org/11904 )
Change subject: rsl: Avoid sending ipa PDCH DEACT NACK followed by ACK
......................................................................
rsl: Avoid sending ipa PDCH DEACT NACK followed by ACK
It was spotted during osmo-gsm-tester test
dynts:trx-sysmocell5000+mod-bts0-dynts67-ipa+cfg-codec-fr-any that
osmo-bts-trx was answering to PDCH DEACT from BSC first with a NACK
followed immediatelly after by an ACK. That happens after the test does
a GPRS pdp ctx act successfuly and then deactivates the ctx and the 2 MS
try to place a call between them (and thus channels need to be moved to
TCH/F).
Most probably the if condition where the lines for this commit are
modified need to be fine-grained. Patch before this one should help to
understand the steates/situation in this scenario, and then a follow-up
patch can be created to improve the logic.
Change-Id: I91c65da6b6b7094f32187d3b083153a87c3219fd
---
M src/common/rsl.c
1 file changed, 1 insertion(+), 2 deletions(-)
Approvals:
Jenkins Builder: Verified
Vadim Yanitskiy: Looks good to me, but someone else must approve
Harald Welte: Looks good to me, approved
diff --git a/src/common/rsl.c b/src/common/rsl.c
index d4bd2f0..b4cea2c 100644
--- a/src/common/rsl.c
+++ b/src/common/rsl.c
@@ -2200,11 +2200,10 @@
}
if (lchan->state != LCHAN_S_NONE) {
- LOGP(DRSL, LOGL_ERROR,
+ LOGP(DRSL, LOGL_NOTICE,
"%s Request to PDCH %s, but lchan is still in state %s\n",
gsm_ts_and_pchan_name(ts), pdch_act? "ACT" : "DEACT",
gsm_lchans_name(lchan->state));
- rsl_tx_dyn_pdch_nack(lchan, pdch_act, RSL_ERR_NORMAL_UNSPEC);
}
ts->flags |= pdch_act? TS_F_PDCH_ACT_PENDING
--
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Gerrit-Project: osmo-bts
Gerrit-Branch: master
Gerrit-MessageType: merged
Gerrit-Change-Id: I91c65da6b6b7094f32187d3b083153a87c3219fd
Gerrit-Change-Number: 11904
Gerrit-PatchSet: 1
Gerrit-Owner: Pau Espin Pedrol <pes...@sysmocom.de>
Gerrit-Reviewer: Harald Welte <lafo...@gnumonks.org>
Gerrit-Reviewer: Jenkins Builder (1000002)
Gerrit-Reviewer: Pau Espin Pedrol <pes...@sysmocom.de>
Gerrit-Reviewer: Vadim Yanitskiy <axilira...@gmail.com>
