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Gianni Tedesco gianni at scaramanga.co.ukOn Sat, 2011-06-04 at 01:41 +0200, Drasko DRASKOVIC wrote: > Hi all, > after loading L1 to RAM and starting mobile app, "show cell" is giving me : > > OsmocomBB# show cell 1 > arfcn |MCC |MNC |LAC |cell ID|forb.LA|prio |min-db |max-pwr|rx-lev > -------+-------+-------+-------+-------+-------+-------+-------+-------+------- > > and > > OsmocomBB# network search 1 > logs : > <0002> gsm322.c:3099 (ms 1) Event 'EVENT_USER_RESEL' for automatic > PLMN selection in state 'A6 no SIM inserted' > <0002> gsm322.c:3106 Event unhandled at this state. OK > I have inserted SIM in the phone, and I know that SIM controller > driver is not functional on the master branch. > > However, is there something that can be done even in this state to > have some packet logging in Wireshark ? Yes, the fact that you cannot subscribe to the network has nothing to do with the gsmtap stuff which happens at a lower level. > I.e. do we need SIM for any communication over Um. I guess not, and I > want to start at this state, and observe some packets that are > traversing the stack for educational reasons. You guess correctly. Did you try to capture the gsmtap packets already as I had described before? What happened? > Can somebody point me how this can be done (with current master and no > SIM functional). what valuye did you pass to mobile for the -i parameter? eg: mobile -i 224.0.0.1 then just tcpdump -s0 host 224.0.0.1 -w my-gsmptap-capture-file.pcap ... Gianni