[srslte-users] segfault in srsenb phy init

[Ismael Gomez]

Thanks for finding that bug. Can you please create a pull request on github?

Thanks

El jue., 9 nov. 2017 23:30, J Giovatto <jgiovatto at adjacentlink.com>
escribió:

> Hi folks,
>
> I'm new to this project and am in the process of trying to integrate
> srsLTE into our EMANE emulator.
>
> The hope is to run the all the services on top of our emulated physical
> layer.
>
> I started off with ./srsenb/test/upper/ip_test_enb and added a
> rf_faux_XXX family of device calls which I hope to handle later within
> EMANE
>
> but I can across a segfault here:
>
>
> Devel/LTE/srsLTE/lib/src/phy/rf/rf_faux_imp.c
> func:rf_faux_suppress_stdout line:98
> Devel/LTE/srsLTE/lib/src/phy/rf/rf_faux_imp.c func:rf_faux_devname line:49
> Devel/LTE/srsLTE/lib/src/phy/rf/rf_faux_imp.c func:rf_faux_devname line:49
> Devel/LTE/srsLTE/lib/src/phy/rf/rf_faux_imp.c func:rf_faux_devname line:49
>
> Warning burst preamble is not calibrated for device faux_rf_dev. Set a
> value manually
>
> Devel/LTE/srsLTE/lib/src/phy/rf/rf_faux_imp.c func:rf_faux_set_tx_freq
> line:200
> Devel/LTE/srsLTE/lib/src/phy/rf/rf_faux_imp.c func:rf_faux_set_tx_gain
> line:163
> gain 70.000000
> Devel/LTE/srsLTE/lib/src/phy/rf/rf_faux_imp.c func:rf_faux_set_rx_freq
> line:186
> Devel/LTE/srsLTE/lib/src/phy/rf/rf_faux_imp.c func:rf_faux_set_rx_gain
> line:154
> gain 50.000000
>
> Thread 1 "ip_test_enb" received signal SIGSEGV, Segmentation fault.
> 0x0000000000453590 in srsenb::phy::init(srsenb::phy_args_t*,
> srsenb::phy_cfg_t*, srslte::radio*, srsenb::mac_interface_phy*,
> srslte::log*) ()
> Missing separate debuginfos, use: dnf debuginfo-install
> boost-atomic-1.60.0-10.fc25.x86_64 boost-chrono-1.60.0-10.fc25.x86_64
> boost-date-time-1.60.0-10.fc25.x86_64
> boost-filesystem-1.60.0-10.fc25.x86_64
> boost-program-options-1.60.0-10.fc25.x86_64
> boost-regex-1.60.0-10.fc25.x86_64
> boost-serialization-1.60.0-10.fc25.x86_64
> boost-system-1.60.0-10.fc25.x86_64 boost-test-1.60.0-10.fc25.x86_64
> boost-thread-1.60.0-10.fc25.x86_64 boost-timer-1.60.0-10.fc25.x86_64
> fftw-libs-single-3.3.5-3.fc25.x86_64 libcap-2.25-2.fc25.x86_64
> libgcc-6.4.1-1.fc25.x86_64 libicu-57.1-5.fc25.x86_64
> libselinux-2.5-13.fc25.x86_64 libstdc++-6.4.1-1.fc25.x86_64
> libusbx-1.0.21-1.fc25.x86_64 mbedtls-2.6.0-1.fc25.x86_64
> openssl-libs-1.0.2k-1.fc25.x86_64 pcre-8.41-1.fc25.x86_64
> pkcs11-helper-1.11-8.fc24.x86_64 systemd-libs-231-17.fc25.x86_64
> uhd-3.10.1.0-1.fc25.x86_64 zlib-1.2.8-10.fc24.x86_64
> (gdb) bt
> #0  0x0000000000453590 in srsenb::phy::init(srsenb::phy_args_t*,
> srsenb::phy_cfg_t*, srslte::radio*, srsenb::mac_interface_phy*,
> srslte::log*) ()
> #1  0x000000000042ce74 in main ()
>
> I made this change and seems to do the trick
>
> diff --git a/srsenb/src/phy/phy.cc b/srsenb/src/phy/phy.cc
> index c0d0a73..87cd1a9 100644
> --- a/srsenb/src/phy/phy.cc
> +++ b/srsenb/src/phy/phy.cc
> @@ -91,7 +91,7 @@ bool phy::init(phy_args_t *args,
>  {
>    std::vector<void*> log_vec;
>    for (int i=0;i<args->nof_phy_threads;i++) {
> -    log_vec[i] = (void*) log_h;
> +    log_vec.push_back((void*)log_h);
>    }
>    init(args, cfg, radio_handler_, mac, log_vec);
>    return true;
>
> Regards
>
> Joseph Giovatto
>
> Adjacent Link LLC
>
>
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