querry : pipeline error

[arnabsamanta]

Hi ,
        I have develpoed a plug in named queueu3 and installed it successfully. but
wehen am trying to construct a pipeine am getting an error as such.

        gst-launch filesrc location =/root/mpeg.dat ! queueu3 ! filesink
location=/root/frame.dat

        Setting pipeline to PAUSED ...
        Pipeline is PREROLLING ...
        Caught SIGSEGV accessing address 0x4
        #0  0x003fc402 in __kernel_vsyscall ()
        #1  0x4a249503 in ?? ()
        #2  0x00000000 in ?? ()

 Can any body please tell what could be the possible reason for this ? I am
absolutely clueless :-(




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[Stefan Sauer]

arnabsamanta schrieb:

> Hi ,
> I have develpoed a plug in named queueu3 and installed it successfully. but
> wehen am trying to construct a pipeine am getting an error as such.
>
> gst-launch filesrc location =/root/mpeg.dat ! queueu3 ! filesink
> location=/root/frame.dat
>
> Setting pipeline to PAUSED ...
> Pipeline is PREROLLING ...
> Caught SIGSEGV accessing address 0x4
> #0  0x003fc402 in __kernel_vsyscall ()
> #1  0x4a249503 in ?? ()
> #2  0x00000000 in ?? ()
>
>  Can any body please tell what could be the possible reason for this ? I am
> absolutely clueless :-(

look at backtraces for all threads:
> thread apply all bt

Stefan

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[Aurelien Grimaud (elzz)]

Stefan Kost a écrit :

> arnabsamanta schrieb:
>  
>> Hi ,
>> I have develpoed a plug in named queueu3 and installed it successfully. but
>> wehen am trying to construct a pipeine am getting an error as such.
>>
>> gst-launch filesrc location =/root/mpeg.dat ! queueu3 ! filesink
>> location=/root/frame.dat
>>
>> Setting pipeline to PAUSED ...
>> Pipeline is PREROLLING ...
>> Caught SIGSEGV accessing address 0x4
>> #0  0x003fc402 in __kernel_vsyscall ()
>> #1  0x4a249503 in ?? ()
>> #2  0x00000000 in ?? ()
>>
>>  Can any body please tell what could be the possible reason for this ? I am
>> absolutely clueless :-(
>>    
>
> look at backtraces for all threads:
>  
>> thread apply all bt
>>    

valgrind is really useful to find memory faults such as yours.
It seems that your queueu3 is faulting on first incoming buffer (preroll)
Aurelien

> Stefan
>
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> Build the coolest Linux based applications with Moblin SDK & win great prizes
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>  

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