[Click] Problem while running OLSR on Click

[Eddie Kohler]

Abhishek,

Which version of Click are you using?  And on which operating system, 
and with which ./configure invocation?  I feel like this might be an old 
bug.

Eddie


On 1/14/11 5:31 PM, Abhishek Chanda wrote:
> Hi,
>
> Thanks for the replies.
> Here is the stacktrace:
>
> (gdb) run test.click
> Starting program: /usr/local/bin/click test.click
> [Thread debugging using libthread_db enabled]
> click: ../include/click/vector.hh:184: void*&
> Vector<void*>::operator[](int): Assertion `i>=0&&  i<_n' failed.
>
> Program received signal SIGABRT, Aborted.
> 0xffffe410 in __kernel_vsyscall ()
> (gdb) backtrace
> #0  0xffffe410 in __kernel_vsyscall ()
> #1  0xb7d3cef5 in raise () from /lib/i686/cmov/libc.so.6
> #2  0xb7d3e871 in abort () from /lib/i686/cmov/libc.so.6
> #3  0xb7d360ee in __assert_fail () from /lib/i686/cmov/libc.so.6
> #4  0x081eb510 in Vector<void*>::operator[] (this=0x8280b88,
> more_tasks=false) at ../include/click/vector.hh:184
> #5  Vector<void*>::at (this=0x8280b88, more_tasks=false) at
> ../include/click/vector.hh:186
> #6  Vector<Element*>::operator[] (this=0x8280b88, more_tasks=false) at
> ../include/click/vector.hh:299
> #7  Master::run_selects_poll (this=0x8280b88, more_tasks=false) at
> ../lib/master.cc:851
> #8  0x081ded53 in RouterThread::run_os (this=0x8280cd8) at
> ../lib/routerthread.cc:420
> #9  RouterThread::driver (this=0x8280cd8) at ../lib/routerthread.cc:510
> #10 0x081bb8ea in main (argc=Cannot access memory at address 0x3e34
> ) at click.cc:568
>
> The file test.click has
> FromDevice(eth0) ->  Discard;
> I will try to see if I can provide more information on this.
>
> Thanks
>
> On Fri, Jan 14, 2011 at 11:28 AM, Viet Do Thi Minh<viet at q2s.ntnu.no>  wrote:
>
>> Hi,
>>
>> I think that is not a bug in OLSR code. Actually, I run OLSR with
>> nsclick and I got that error when I wrote a new element. The error was
>> fixed when I corrected the code of the new element.
>>
>> Cheers,
>> Viet
>>
>>
>> On 1/14/2011 11:40 AM, Bart Braem wrote:
>>> Hi,
>>>
>>> If that's the bug in our OLSR code, would you mind sending a patch? It
>> would help other future users.
>>>
>>> thanks,
>>> Bart
>>>
>>> On 14 Jan 2011, at 10:23, Viet, Do Thi Minh wrote:
>>>
>>>> Hi,
>>>>
>>>> I have installed and run OLSR successfully. I also got that error before
>>>> with OLSR. The problem is due to using wrong index i of a vector (i is
>> out
>>>> of range [0,size_of_vector]). This may happen when you delete an element
>>>> of the vector inside the 'for loop' which accesses all element of that
>>>> vector.
>>>>
>>>> Regards,
>>>> Viet
>>>>
>>>>> Hi,
>>>>>
>>>>> I have been using the dsr routing implementation in Click. I met
>>>>> "assertion"
>>>>> failed problem before. I fixed it by checking the input of the
>> function. I
>>>>> suggest you to look into the "vetor' code and  check when the fail
>>>>> happened,
>>>>> if "_n" or "i" here is a valid number. There might be some situation i
>> is
>>>>> out of range [0,_n]. So you might just need to check on that to fix
>> bug.
>>>>>
>>>>> Good luck,
>>>>> Zi
>>>>>
>>>>>
>>>>> --
>>>>> Zi Feng
>>>>> PhD student
>>>>> Department of Computer Science and Engineering, UCR
>>>>> Network Lab
>>>>>
>>>>> On Thu, Jan 13, 2011 at 11:57 PM, Bart Braem<bart.braem at ua.ac.be>
>>   wrote:
>>>>>
>>>>>> Hi,
>>>>>>
>>>>>> On 14 Jan 2011, at 03:33, Abhishek Chanda wrote:
>>>>>>
>>>>>>> I am trying to run the Click implementation of OLSR. It did build and
>>>>>>> install successfully, but now when I try to run a click script that
>>>>>> has a
>>>>>>> FromDevice element, I am getting this error:
>>>>>>> "click: ../include/click/vector.hh:184: void*&
>>>>>>> Vector<void*>::operator[](int): Assertion `i>=0&&   i<_n' failed.
>>>>>>> Aborted”
>>>>>>> What is going wrong?
>>>>>>
>>>>>> Please use gdb or another debugger to provide a stacktrace. I thought
>>>>>> the
>>>>>> OLSR implementation we provide on github was working, but this could
>>>>>> point
>>>>>> to bugs.
>>>>>>
>>>>>> best regards,
>>>>>> Bart
>>>>>> --
>>>>>> Bart Braem
>>>>>> PATS research group - IBBT
>>>>>> Dept. of Mathematics and Computer Sciences
>>>>>> University of Antwerp
>>>>>> Campus Middelheim, G3.27
>>>>>> Middelheimlaan 1
>>>>>> B-2020 Antwerpen, Belgium
>>>>>> Phone: +32 (0)3 265.38.82
>>>>>> Fax: +32 (0)3 265.37.77
>>>>>> Web: www.pats.ua.ac.be
>>>>>>
>>>>>>
>>>>>> _______________________________________________
>>>>>> click mailing list
>>>>>> click at amsterdam.lcs.mit.edu
>>>>>> https://amsterdam.lcs.mit.edu/mailman/listinfo/click
>>>>>>
>>>>>>
>>>>> _______________________________________________
>>>>> click mailing list
>>>>> click at amsterdam.lcs.mit.edu
>>>>> https://amsterdam.lcs.mit.edu/mailman/listinfo/click
>>>>>
>>>>
>>>> --
>>>>
>>>>
>>
>>
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