Hi I have same problem. 
But in case with master with TX enabled, it just hang up ?  



OsmocomBB> enable
OsmocomBB# sim reader 1 
OsmocomBB# 
% (MS 1)
% Searching network...

% (MS 1)
% Trying to registering with network...
Connection closed by foreign host.

????


msgb(0x1638020): Not enough headroom msgb_push (4271669080 < 7)
backtrace() returned 10 addresses
/usr/local/lib/libosmocore.so.4(osmo_panic+0xb9) [0x7f2b4ea57929]
/usr/local/lib/libosmogsm.so.5(lapdm_phsap_up+0x16f) [0x7f2b4e62378f]
./mobile() [0x43981c]
./mobile() [0x439fce]
/usr/local/lib/libosmocore.so.4(osmo_wqueue_bfd_cb+0x93) [0x7f2b4ea550d3]
/usr/local/lib/libosmocore.so.4(osmo_select_main+0x1b1) [0x7f2b4ea54171]
./mobile() [0x404be7]
/lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xfd) [0x7f2b4e099eed]
./mobile() [0x404d59]

Signal 6 received.
full talloc report on 'layer2 context' (total  40828 bytes in  53 blocks)
    Layer2                         contains    424 bytes in   1 blocks (ref 0) 0x1638020
    GSM 04.08 L3                   contains    456 bytes in   1 blocks (ref 0) 0x1639e10
    struct gsm_sub_plmn_list       contains     24 bytes in   1 blocks (ref 0) 0x1638930
    struct gsm_sub_plmn_list       contains     24 bytes in   1 blocks (ref 0) 0x16388c0
    struct gsm_sub_plmn_list       contains     24 bytes in   1 blocks (ref 0) 0x1638850
    struct gsm_sub_plmn_list       contains     24 bytes in   1 blocks (ref 0) 0x16387e0
    struct gsm_sub_plmn_list       contains     24 bytes in   1 blocks (ref 0) 0x1638770
    struct gsm_sub_plmn_list       contains     24 bytes in   1 blocks (ref 0) 0x1638700
    struct gsm_sub_plmn_list       contains     24 bytes in   1 blocks (ref 0) 0x1638690
    struct gsm_sub_plmn_list       contains     24 bytes in   1 blocks (ref 0) 0x1638620
    struct gsm_sub_plmn_list       contains     24 bytes in   1 blocks (ref 0) 0x16385b0
    struct gsm_sub_plmn_list       contains     24 bytes in   1 blocks (ref 0) 0x1638540
    struct gsm_sim_handler         contains     32 bytes in   1 blocks (ref 0) 0x1634810
    struct gsm_sim_handler         contains     32 bytes in   1 blocks (ref 0) 0x1634890
    struct gsm_sim_handler         contains     32 bytes in   1 blocks (ref 0) 0x1634910
    struct gsm48_sysinfo           contains   1452 bytes in   1 blocks (ref 0) 0x1637970
    struct gsm48_sysinfo           contains   1452 bytes in   1 blocks (ref 0) 0x1637360
    struct gsm48_sysinfo           contains   1452 bytes in   1 blocks (ref 0) 0x1636d50
    struct gsm48_sysinfo           contains   1452 bytes in   1 blocks (ref 0) 0x1636740
    struct gsm48_sysinfo           contains   1452 bytes in   1 blocks (ref 0) 0x1635e60
    struct gsm322_neighbour        contains     64 bytes in   1 blocks (ref 0) 0x1635dc0
    struct gsm322_neighbour        contains     64 bytes in   1 blocks (ref 0) 0x1635d20
    struct gsm322_neighbour        contains     64 bytes in   1 blocks (ref 0) 0x1635c80
    struct gsm322_neighbour        contains     64 bytes in   1 blocks (ref 0) 0x1635be0
    struct gsm322_neighbour        contains     64 bytes in   1 blocks (ref 0) 0x1635b40
    struct gsm322_neighbour        contains     64 bytes in   1 blocks (ref 0) 0x1635aa0
    struct gsm322_neighbour        contains     64 bytes in   1 blocks (ref 0) 0x1635a00
    struct gsm322_neighbour        contains     64 bytes in   1 blocks (ref 0) 0x1635960
    struct gsm322_neighbour        contains     64 bytes in   1 blocks (ref 0) 0x16358c0
    struct gsm322_neighbour        contains     64 bytes in   1 blocks (ref 0) 0x1635820
    struct gsm322_neighbour        contains     64 bytes in   1 blocks (ref 0) 0x1635780
    struct gsm322_neighbour        contains     64 bytes in   1 blocks (ref 0) 0x16356e0
    struct gsm322_neighbour        contains     64 bytes in   1 blocks (ref 0) 0x162d010
    struct gsm322_neighbour        contains     64 bytes in   1 blocks (ref 0) 0x162cf70
    struct gsm322_neighbour        contains     64 bytes in   1 blocks (ref 0) 0x162ced0
    struct gsm322_neighbour        contains     64 bytes in   1 blocks (ref 0) 0x162ce30
    struct gsm322_neighbour        contains     64 bytes in   1 blocks (ref 0) 0x162cd90
    struct gsm322_neighbour        contains     64 bytes in   1 blocks (ref 0) 0x162ccf0
    struct gsm322_neighbour        contains     64 bytes in   1 blocks (ref 0) 0x162d420
    struct gsm322_neighbour        contains     64 bytes in   1 blocks (ref 0) 0x162d380
    struct gsm322_neighbour        contains     64 bytes in   1 blocks (ref 0) 0x162d2e0
    struct gsm322_neighbour        contains     64 bytes in   1 blocks (ref 0) 0x162d240
    struct gsm322_neighbour        contains     64 bytes in   1 blocks (ref 0) 0x162d1a0
    struct gsm48_sysinfo           contains   1452 bytes in   1 blocks (ref 0) 0x16350d0
    telnet_connection              contains     89 bytes in   2 blocks (ref 0) 0x1634bf0
        struct telnet_connection       contains     88 bytes in   1 blocks (ref 0) 0x1634c50
    struct gsm322_ba_list          contains    192 bytes in   1 blocks (ref 0) 0x1634fb0
    struct gsm322_ba_list          contains    192 bytes in   1 blocks (ref 0) 0x1634e90
    struct gsm322_ba_list          contains    192 bytes in   1 blocks (ref 0) 0x1634990
    struct osmocom_ms              contains  28704 bytes in   1 blocks (ref 0) 0x162d590
    /root/.osmocom/bb              contains     29 bytes in   1 blocks (ref 0) 0x15ca730
    main.c:240                     contains     29 bytes in   1 blocks (ref 0) 0x15ca6b0
Aborted




On Fri, Jul 25, 2014 at 12:54 PM, Sylvain Munaut <246tnt@gmail.com> wrote:
Hi,

> I have built Osmocommbb with testing branch and I want to run Mobile app
> allowing me to make a call via my local network.
> All goes well in the build but I am unable to register on my own network
> while using a genuine network sim.
> This is output from my  compal_e88/layer1.compalram.bin.
> As you can see all looks good with signal levels fairly ok until this point
> and then level drops to -138 dbm and there it stays on all chanells.
> I have tried this with 3 different sims and all is the same.
> Can someone help?

Use master, not testing.




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