Re: [Discuss-gnuradio] GRAS time assert error - was Volk error

[Josh Blum]

On 06/11/2013 05:51 PM, Yogesh Dahiya wrote:
> the example i was trying on is :
> gnuradio/grc/examples/simple/variable_config.grc
> I commented the assert and rebuild the gras and its working fine with this
> example.
> But my uhd_fft is showing another error now :
> 
> Traceback (most recent call last):
>   File "/usr/local/bin/uhd_fft", line 341, in <module>
>     main ()
>   File "/usr/local/bin/uhd_fft", line 337, in main
>     app = stdgui2.stdapp(app_top_block, "UHD FFT", nstatus=1)
>   File "/usr/local/lib/python2.7/dist-packages/gnuradio/wxgui/stdgui2.py",
> line 38, in __init__
>     wx.App.__init__ (self, redirect=False)
>   File "/usr/lib/python2.7/dist-packages/wx-2.8-gtk2-unicode/wx/_core.py",
> line 7978, in __init__
>     self._BootstrapApp()
>   File "/usr/lib/python2.7/dist-packages/wx-2.8-gtk2-unicode/wx/_core.py",
> line 7552, in _BootstrapApp
>     return _core_.PyApp__BootstrapApp(*args, **kwargs)
>   File "/usr/local/lib/python2.7/dist-packages/gnuradio/wxgui/stdgui2.py",
> line 42, in OnInit
>     self._max_noutput_items)
>   File "/usr/local/lib/python2.7/dist-packages/gnuradio/wxgui/stdgui2.py",
> line 64, in __init__
>     self.panel = stdpanel (self, self, top_block_maker, max_nouts)
>   File "/usr/local/lib/python2.7/dist-packages/gnuradio/wxgui/stdgui2.py",
> line 86, in __init__
>     self.top_block = top_block_maker (frame, self, vbox, sys.argv)
>   File "/usr/local/bin/uhd_fft", line 125, in __init__
>     self.scope.set_callback(fftsink_callback)
> AttributeError: 'fft_sink_c' object has no attribute 'set_callback'
> 
> 

I was tracking 3.6.4git but it looks like it was missing some commits to
add the callback to the nongl gui sinks. So I pulled in 3.6.4.2 which
had these commits. Should be good if you update

git pull origin master
git submodule update

-josh

> 
> 
> On Wed, Jun 12, 2013 at 2:55 AM, Yogesh Dahiya <address@hidden>wrote:
> 
>> After applying the diff :
>>
>> name = throttle
>> i = 0
>> total_idle_times[i] = 20344984
>> time_now() = 122002822
>> _init_time = 1984664495
>>
>> ASSERT FAIL
>> /home/electron/Downloads/gras/lib/gras_impl/input_buffer_queues.hpp:164
>> total_idle_times[i] <= (time_now() - _init_time)
>> terminate called after throwing an instance of 'std::runtime_error'
>>   what():  ASSERT FAIL total_idle_times[i] <= (time_now() - _init_time)
>>
>> So it seems there is problem with time function
>>
>>
>> On Wed, Jun 12, 2013 at 2:00 AM, Yogesh Dahiya <address@hidden>wrote:
>>
>>> I have ubuntu 11.10 32 bit system
>>> output of the unit test is
>>>
>>> Running 1 test case...
>>> t0 1804958425
>>> t1 2805093589
>>> delta_time 1.00014
>>>
>>> *** No errors detected
>>>
>>>
>>>
>>>
>>> On Wed, Jun 12, 2013 at 1:38 AM, Josh Blum <address@hidden> wrote:
>>>
>>>>
>>>>
>>>> On 06/11/2013 03:55 PM, Yogesh Dahiya wrote:
>>>>> Thanks that kind of worked for me it showed the gui for a while but
>>>> then it
>>>>> stopped with following error :
>>>>>
>>>>>>>> GRAS: The debug asserts are enabled. <<<
>>>>> Created default thread pool with 4 threads.
>>>>> Using Volk machine: sse4_2_32_orc
>>>>> ASSERT FAIL
>>>>> /home/electron/Downloads/gras/lib/gras_impl/input_buffer_queues.hpp:156
>>>>> total_idle_times[i] <= (time_now() - _init_time)
>>>>> terminate called after throwing an instance of 'std::runtime_error'
>>>>>   what():  ASSERT FAIL total_idle_times[i] <= (time_now() - _init_time)
>>>>>
>>>>>
>>>>
>>>> So I dont completely understand the nature of the problem. If you give
>>>> me some feedback, I think that its something pretty simple. Possibly an
>>>> issuing with using the getclocktime CLOCK_MONOTONIC.
>>>>
>>>> Can you tell me your OS name and version, 32 or 64 bit?
>>>>
>>>> If you pull and rebuild, there is a unit test for the timer stuff, I
>>>> wonder what the output verbose is. Can you run this in the build
>>>> directory: tests/chrono_time_test_cpp_test.sh
>>>>
>>>> If you apply this diff and rebuild, I think that the additional prints
>>>> will be very revealing: http://pastebin.com/xeBHFN5j
>>>>
>>>> -josh
>>>>
>>>>
>>>>>
>>>>> _______________________________________________
>>>>> Discuss-gnuradio mailing list
>>>>> address@hidden
>>>>> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
>>>>>
>>>>
>>>
>>>
>>
>