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fixeria gerrit-no-reply at lists.osmocom.orgHello laforge, laforge, Jenkins Builder, I'd like you to reexamine a change. Please visit https://gerrit.osmocom.org/c/osmo-bts/+/14817 to look at the new patch set (#3). Change subject: common/rsl.c: fix: properly handle SI3 Rest Octets ...................................................................... common/rsl.c: fix: properly handle SI3 Rest Octets It was noticed with old Sony Ericsson phones (like W595 and K510i) that the service provided by Osmocom network becomes unreliable from time to time. The RSSI indicator on those phones shows that the signal is lost, so neither CS nor PS services are working. As it then turned out, System Information 3 broadcasted on the Um interface is different than the one received from the BSC. In particular, the content of SI3 Rest Octets IE is different. Among with the 'GPRS Indicator', which is actually expected to indicate whether the PCU is connected or not, SI3 Rest Octets on the Um interface contain both 'Optional Power Offset' and 'Scheduling if and where' IEs, which are not present in the original messages from the BSC. Moreover, as soon as the PCU is connected, 'GPRS Indicator' IE contains different 'GPRS RA Colour' value, and informs the MS that System Information 13 is sent on extended BCCH, which is not even supported by OsmoBTS! The culprit is in rsl_rx_bcch_info(), where we pass a pointer to osmo_gsm48_rest_octets_si3_decode(). Instead of passing a pointer to the beginning of SI3 buffer, we actually need to shift it to the beginning of the SI3 Rest Octets IE. This change makes my Sony Ericsson phones happy ;) Change-Id: Ia962cf21903ba674057cf52746996dd3254bc1c6 --- M src/common/rsl.c 1 file changed, 3 insertions(+), 1 deletion(-) git pull ssh://gerrit.osmocom.org:29418/osmo-bts refs/changes/17/14817/3 -- To view, visit https://gerrit.osmocom.org/c/osmo-bts/+/14817 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: osmo-bts Gerrit-Branch: master Gerrit-Change-Id: Ia962cf21903ba674057cf52746996dd3254bc1c6 Gerrit-Change-Number: 14817 Gerrit-PatchSet: 3 Gerrit-Owner: fixeria <axilirator at gmail.com> Gerrit-Reviewer: Jenkins Builder Gerrit-Reviewer: fixeria <axilirator at gmail.com> Gerrit-Reviewer: laforge <laforge at gnumonks.org> Gerrit-CC: tnt <tnt at 246tNt.com> Gerrit-MessageType: newpatchset -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/gerrit-log/attachments/20190717/690ae098/attachment.htm>