On Wed, Mar 18, 2015 at 9:29 AM, Marcus Müller <marcus.muel...@ettus.com>
wrote:

>  Pybombs can't solve a lack of RAM -- it just offers an automated build
> procedure.
> Search google to find information how to add swap to your system. However,
> swap is just RAM that is temporarily exiled to permanent storage. Now, a
> microSD card is several orders of magnitude slower than RAM, so whilst that
> might allow your build process to work, it will make it slow.
>
> Best regards,
> Marcus
>

Cross-compiling would be better.

We have information on embedded systems here:
http://gnuradio.org/redmine/projects/gnuradio/wiki/Embedded

Debian also comes with support for cross compilers itself, though we have
no direct information on how to use those for building GNU Radio.

Tom



>
>
On 03/18/2015 01:39 PM, Zamrath Nizam wrote:
>
>  Yes, RAM seems to be not up for the compiler's asking rate. I used
> 'watch' command to observe it. At peak, free memory drops down to zero.
>  BTW, I am interesting to know how to extend RAM in Bananapi (capacity of
> Micro SD card is 16 GB), in case pyBOMBS method does not give me a hand.
>
>  Thanks,
> Best,
> Zamrath Nizam
>
> On Wed, Mar 18, 2015 at 5:54 PM, Marcus Müller <marcus.muel...@ettus.com>
> wrote:
>
>>  If it hangs, that just sounds like the poor ARM is busy; compiling is
>> hard! You can check your CPU usage by running "top" in another console.
>> If building aborts, you might need to add some swap space, to "extend"
>> your RAM (start with 4GB). That will be horribly, horribly slow.
>>
>> Greetings,
>> Marcus
>>
>>
>> On 03/18/2015 01:12 PM, Zamrath Nizam wrote:
>>
>> Hi Müller,
>>
>>  Thank you for the detailed answer you provided. I will surely try one
>> of the method you have given above. Meantime, the reason why I went for the
>> debian GNURadio was, when GNURadio is built, it halts at around 50%. It has
>> been run for 15-20 times. As you have pointed out, it was due to the low
>> RAM (1 GB). Sounds first method would be handy to cope with. I will let you
>> know after trying above methods.
>>
>>  Thank you again.
>>
>>  Best,
>> Zamrath
>>
>> On Wed, Mar 18, 2015 at 4:55 PM, Marcus Müller <marcus.muel...@ettus.com>
>> wrote:
>>
>>>  Hi Zamrath,
>>>
>>> now you're mixing different versions of the same library (UHD).
>>> The debian GNU Radio was built and linked against the debian UHD, but
>>> now you're using the Ettus UHD package, so the symbols that the debian GNU
>>> Radio thought it knew are now unavailable.
>>> You should uninstall debian's UHD version, when installing the Ettus
>>> one. You also must uninstall debian's GNU Radio.
>>>
>>> You will have to build GNU Radio against the UHD library version you're
>>> using. You *can* in theory, do that on the bananapi itself, but I don't
>>> think that is going to be fun (or short) -- after all, it's an embedded
>>> device, and not a development workstation, so CPU and RAM are sparse.
>>> There are three ways you can go from here: (1) build GNU Radio on the
>>> bananapi, (2) cross-compile it for the debian armhf port and (3) rolling
>>> out openembedded and treating your bananapi as a cool embedded device
>>> rather than a boring slow PC.
>>>
>>> Method (1)
>>> =======
>>> This should be the easiest path: use pyBOMBS, as it should do everything
>>> for you[0], and take roughly veeeeeery long.
>>>
>>> Method (2)
>>> =======
>>>
>>> I think that in the long run, if you want to do software development for
>>> the bananapi, anyway, setting up a cross-compilation environment will be
>>> what you want to do.
>>> However, I'm not really used to doing cross-builds myself; I can only
>>> outline what you will have to do:
>>>
>>> On your (easiest case: debian) workstation:
>>>
>>> * Install the appropriate cross toolchain[2], and all the libraries[1]
>>> lists as necessary in their development version and target-arch (armhf)
>>> compatible version. I think that will be the hardest part, as it's a bit
>>> debian specific.
>>> * Follow [3] . Replace the oe-sdk-toolchain.cmake file with a
>>> debian/armhf one -- you can have a look at the existing arm toolchain
>>> file[4], copy and modify it, replacing all compiler names with their
>>> gcc-armhf-... or similar pendants. Trick: use your currently installed
>>> "gnuradio-config-info --cflags" to get appropriate CMAKE_CXX_FLAGS, in
>>> addition to the right -m*** flags, that might be omitted in the output.
>>>
>>> Method (3)
>>> =======
>>>
>>> Alternativile, follow [5] and replace the debian on your bananapi with
>>> an openembedded self-rolled system.
>>> OpenEmbedded allows you to deploy your own application-specific system,
>>> including everything from OS to application (but not much more).
>>>
>>> No matter what you do, we'd like to hear of your success (and/or
>>> struggle). If you generate any useful build script / toolchain files / tips
>>> and tricks / blog posts ... we'd love to hear of them!
>>>
>>> Greetings,
>>> Marcus
>>>
>>> [0] http://gnuradio.org/redmine/projects/pybombs/wiki/QuickStart
>>> [1] http://gnuradio.org/doc/doxygen/build_guide.html
>>> [2] https://wiki.debian.org/CrossToolchains
>>> [3]
>>> https://gnuradio.org/redmine/projects/gnuradio/wiki/Cross_compile_GNU_Radio_and_install_on_target
>>> [4]
>>> https://github.com/gnuradio/gnuradio/blob/master/cmake/Toolchains/arm_cortex_a8_native.cmake
>>> [5] https://gnuradio.org/redmine/projects/gnuradio/wiki/OE_PyBOMBS
>>>
>>>
>>> On 03/18/2015 11:51 AM, Zamrath Nizam wrote:
>>>
>>>   Hi all,
>>>
>>>  I have recently installed UHD and GNURadio on Bananapi (armhf) board
>>> adding  "deb http://ftp.de.debian.org/debian jessie main" in
>>> "/etc/apt/sources.list".
>>>
>>>  Downloaded GNURadio from "
>>> https://packages.debian.org/jessie/armhf/gnuradio/download";
>>> dpkg -i gnuradio_3.7.5-5_armhf.deb
>>> apt-get update
>>>
>>>  Downloaded UHD from "
>>> https://packages.debian.org/wheezy/armhf/uhd-host/download";
>>> dpkg -i uhd-host_3.4.2-1_armhf.deb
>>> apt-get -f install
>>>
>>>  When I install OpenBTS, built was errored since UHD was not picked up.
>>> (uhd.pc was not in "/usr/local/lib/pkgconfig").
>>> Therefore, I had to install uhd-master from ettus research git repo and
>>> built. And then OpenBTS was built without a problem.
>>>
>>>  After connecting USRP N210, even though ping process is also okay,
>>>
>>>  "uhd_find_devices" gives,
>>> linux; GNU C++ version 4.9.1; Boost_105500; UHD_003.007.003-0-unknown
>>> uhd_find_devices: symbol lookup error: uhd_find_devices: undefined
>>> symbol: _ZN3uhd6device4findERKNS_13device_addr_tENS0_15device_filter_tE
>>>
>>>  "uhd_usrp_probe" gives,
>>> linux; GNU C++ version 4.9.1; Boost_105500; UHD_003.007.003-0-unknown
>>> uhd_usrp_probe: symbol lookup error: uhd_usrp_probe: undefined symbol:
>>> _ZN3uhd6device4makeERKNS_13device_addr_tENS0_15device_filter_tEj
>>>
>>>  When running './OpenBTS'",
>>> ALERT 3069485584 10:17:51.9 TRXManager.cpp:434:powerOff: POWEROFF
>>> failed with status -1
>>> linux; GNU C++ version 4.9.1; Boost_105500; UHD_003.007.003-0-unknown
>>> Using internal clock reference
>>> ./transceiver: symbol lookup error: ./transceiver: undefined symbol:
>>> _ZN3uhd6device4findERKNS_13device_addr_tENS0_15device_filter_tE
>>> EMERG 3065672784 10:17:52.5 OpenBTS.cpp:156:startTransceiver:
>>> Transceiver quit with status 32512. Exiting.
>>>
>>>  I have erased the memory and proceeded again with caution but the
>>> result was same. Could  anyone please suggest me a resolution?
>>>
>>>  Thanks.
>>>
>>>  Best,
>>> Zamrath Nizam
>>>
>>>
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