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Gianni Tedesco gianni at scaramanga.co.ukOn Sun, 2011-05-22 at 21:45 +0200, Harald Welte wrote: > Hi! > > libosmocore >= 0.3.1 and the current osmocom-bb code will now generate > not only the sending GSMTAP UDP socket, but also a locally-bound receive > socket. > > This avoids the manual start of "nc -l -u -p 4729 >/dev/null" or > iptables rules to drop the UDP packets. > > The local receive socket is only created if the GSMTAP IP address is a > locally configured address on any of your network interfaces. So > sending it to 127.0.0.1 should work well. > > Don't be surprised if you happen to see GSMTAP over IPv6, I'm now using > getaddrinfo() and related functions, i.e. "loopback" may now resolve to > ::1 instead of 127.0.0.1 > > Regards, > Harald Could these changes be related to the sudden crashes I am having since enabling test sim in mobile (with no -i specified) ? Following patch fixes it. diff --git a/src/shared/libosmocore/src/gsmtap_util.c b/src/shared/libosmocore/src/gsmtap_util.c index 5c68b6a..2de4beb 100644 --- a/src/shared/libosmocore/src/gsmtap_util.c +++ b/src/shared/libosmocore/src/gsmtap_util.c @@ -148,6 +148,11 @@ int gsmtap_source_add_sink_fd(int gsmtap_fd) int gsmtap_sendmsg(struct gsmtap_inst *gti, struct msgb *msg) { + if ( NULL == gti ) { + msgb_free(msg); + return 0; + } + if (gti->ofd_wq_mode) return osmo_wqueue_enqueue(>i->wq, msg); else {