From: Arghyadip P. <arg...@gm...> - 2012-03-06 22:25:24
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Hi All, Any help on this..I am still not able to find a solution on this. Its coming consistently. Does it have to do anything with the master clock rate. Regards, Arghyadip On Mon, Mar 5, 2012 at 5:46 PM, Arghyadip Paul <arg...@gm...> wrote: > Hi All, > > Now I am working with different set of machines..so Trying to bring up > B100 from the scratch..but I am facing the following problems. > > 1. I did a sudo su and running ./OpenBTS > 2. OpenBTS manages to start and CLI comes up. > 3. But after a moment it goes down with the following prints: > > UHDDevice.cpp:599:check_rx_md_err: UHD: Loss of monotonic time > ALERT 3049737072 UHDDevice.cpp:599:check_rx_md_err: UHD: Loss of > monotonic time > ALERT 3049737072 UHDDevice.cpp:599:check_rx_md_err: UHD: Loss of > monotonic time > ALERT 3049737072 UHDDevice.cpp:728:writeSamples: UHD: Device send timed > out > ALERT 3049737072 UHDDevice.cpp:729:writeSamples: UHD: Version > 003.003.002-unknown > ALERT 3049737072 UHDDevice.cpp:730:writeSamples: UHD: Unrecoverable > error, exiting... > EMERG 3069545328 OpenBTS.cpp:131:startTransceiver: Transceiver quit with > status 65280. Exiting. > > > 4. Also , in uhd_usrp_probe I get the following warning message: > > UHD Warning: > Unable to set the thread priority. Performance may be negatively > affected. > Please see the general application notes in the manual for > instructions. > EnvironmentError: OSError: error in pthread_setschedparam > > > Any help?? > > > > On Fri, Mar 2, 2012 at 6:27 PM, Arghyadip Paul <arg...@gm...>wrote: > >> Yeah...its due to the shell... >> >> Thanks..its working fine.. now..!! >> >> >> On Fri, Mar 2, 2012 at 4:42 PM, Thomas Tsou <tt...@vt...> wrote: >> >>> On Fri, Mar 2, 2012 at 7:22 PM, Arghyadip Paul <arg...@gm...> >>> wrote: >>> > It seems to be a master clock rate problem. I need to make the board >>> working >>> > with Master Clock rate 52MHz...but I am not sure how?? >>> >>> OpenBTS by default will try to set the clock rate to 52 MHz. If >>> uhd_usrp_probe works fine as a user, but not with sudo, then it's >>> probably related to the shell issue that Kurtis brought up. >>> >>> Thomas >>> >> >> >> >> -- >> Arghyadip Paul >> Graduate Student >> Department of Computer Science >> University of California Santa Barbara >> Santa Barbara , CA 93106 USA >> >> > > > -- > Arghyadip Paul > Graduate Student > Department of Computer Science > University of California Santa Barbara > Santa Barbara , CA 93106 USA > > -- Arghyadip Paul Graduate Student Department of Computer Science University of California Santa Barbara Santa Barbara , CA 93106 USA |