Re: [Discuss-gnuradio] Problem with thread scheduler

[cdong8812]

Hi Josh,
I'd really appreciate your help if you could help me fix this issue as soon
as possible because I do need to fix it for my project in a very short time.
Thank you.

Best,


Chen 




Josh Blum-3 wrote:
> 
> 
> 
> On 07/31/2012 09:27 AM, cdong8812 wrote:
>> 
>> Hi Josh,
>> Thank you for the quick reply. I have went through previous post and find
>> one that had been fixed by your latest UHD build then. However I found
>> this
>> annoying problem again with latest master build and N210. The structure
>> of
>> my code is as follows:
>> Class Wimax_Receiver(gr.top_block):
>> ...
>>     def add_fft_cal(self, fft_cal_block):
>>         
>>         # Get new block
>>      self.FFT_calculate = fft_cal_block
>>              
>>      # Add FFT to output of USRP
>>      self.connect(self.u, self.FFT_calculate)
>> 
>> class FFT_Calculation(gr.top_block):
>> ...
>>         self.wr = Wimax_Receiver()
>>         self.wr.add_fft_cal(self.s2v)
>>         self.connect(self.s2v, self.fft_cal, self.c2mag, self.log,
>> self.stats)
>>      self.connect(self.wr)
>> 
>> 
>> Below is the error message:
>> 
>> http://old.nabble.com/file/p34235614/QQ%25E6%2588%25AA%25E5%259B%25BE20120731121754.jpg
>>  
>> 
>> 
> 
> Well, unless I am misreading, it seems like the flow graph finished
> execution.
> 
> Are you on ubuntu 10.04 by any chance? I know that the boost on that
> version, well its thread interrupt causes the various blocking mutex,
> cond, locks, etc to throw uncatchable exceptions... its unfortunate.
> 
> If thats not the explanation and its bombing, do you know what call,
> what line is the cause?
> 
> -josh
> 
>> 
>> 
>> 
>> Josh Blum-3 wrote:
>>>
>>>
>>>
>>> On 07/29/2012 03:57 PM, cdong8812 wrote:
>>>>
>>>> I have a problem with the thread scheduler in GNU Radio. I am using
>>>> USRP
>>>> N210
>>>> + RFX 2400 daughterboards with UHD. When I run my spectrum sensing
>>>> codes,
>>>> if
>>>> I stop the flowgraph it will show the thread-per-block number mismatch
>>>> error
>>>> message on screen. I wonder if there is any way to get rid of this
>>>> problem.
>>>
>>>
>>> Can you post the error message?
>>>
>>> -josh
>>>
>>>> My BOOST version is 1.40 and I am using Ubuntu 10.04. UHD information
>>>> is
>>>> shown below:
>>>>
>>>> address@hidden:/usr/local/src/gnuradio/build# uhd_find_devices
>>>> linux; GNU C++ version 4.4.3; Boost_104000;
>>>> UHD_003.004.002-181-g25649781
>>>>
>>>
>>> _______________________________________________
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>>> address@hidden
>>> https://lists.gnu.org/mailman/listinfo/discuss-gnuradio
>>>
>>>
>> 
> 
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> 

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