The default code has no problem. Trying to find where is the fault in
my code. However as I said I have not changed anything about snoop
packets. I made some ReadReq packets and send to cache_impl.

Thanks for yout reply.

On 1/2/12, Nilay Vaish <[email protected]> wrote:
> I don't have much understanding of this piece of code. At a high level,
> the function is meant to implement the snooping behavior of cache
> controllers. The cache controller is snopping on the bus. 'pkt' is the
> packet seen on the bus. In case this controller or any higher controller
> has the address (for which this packet is meant), then the controller
> will invalidate that address.
>
> Running without your changes would be a good idea. It seems to me that you
> are creating some packet, and it is not being created properly.
>
> --
> Nilay
>
>
> On Sun, 1 Jan 2012, Mahmood Naderan wrote:
>
>> currently I have tried bzip2. I have made some changes but but snoop
>> packets. I don't think my chnages has impact on snoop packets. It is
>> worth to try the default code. Can you please tell what does this
>> pieace of code do?
>>
>> On 1/1/12, Nilay Vaish <[email protected]> wrote:
>>> Well, I understood what you wrote in the first email. The question what
>>> is
>>> it that you are trying to execute that results in this error. What
>>> application? Have you made any changes?
>>>
>>> --
>>> Nilay
>>>
>>> On Sun, 1 Jan 2012, Mahmood Naderan wrote:
>>>
>>>> sorry what? while debuging I see these statemnets are executed:
>>>>
>>>> cpuSidePort->sendTiming(snoopPkt);
>>>> delete snoopPkt->senderState;
>>>> delete snoopPkt;
>>>>
>>>> The second "delete" says  double free or corruption
>>>>
>>>> On 1/1/12, Nilay Vaish <[email protected]> wrote:
>>>>> What are you trying to execute?
>>>>>
>>>>> --
>>>>> Nilay
>>>>>
>>>>> On Sun, 1 Jan 2012, Mahmood Naderan wrote:
>>>>>
>>>>>> Hi,
>>>>>> Consider this statements in cache_impl.hh::handleSnoop()
>>>>>>
>>>>>> cpuSidePort->sendTiming(snoopPkt);
>>>>>> if (snoopPkt->memInhibitAsserted()) {
>>>>>>    assert(!alreadyResponded);
>>>>>>    pkt->assertMemInhibit();
>>>>>> } else {
>>>>>>    delete snoopPkt->senderState;
>>>>>> }
>>>>>> if (snoopPkt->sharedAsserted()) {
>>>>>>   pkt->assertShared();
>>>>>> }
>>>>>> delete snoopPkt;
>>>>>>
>>>>>> I have noticed that when
>>>>>> delete snoopPkt->senderState;
>>>>>>
>>>>>> is executed, and then
>>>>>> delete snoopPkt;
>>>>>>
>>>>>> I get this error:
>>>>>>
>>>>>> *** glibc detected *** /home/mahmood/gem5/build/X86_SE/m5.debug:
>>>>>> double free or corruption (fasttop): 0x0000000002a8a640 ***
>>>>>>
>>>>>> Is it a bug or something else. Can someone verify that?
>>>>>>
>>>>>> --
>>>>>> // Naderan *Mahmood;
>>>>>> _______________________________________________
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>>>>>>
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>>>>
>>>> --
>>>> --
>>>> // Naderan *Mahmood;
>>>> _______________________________________________
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>>
>> --
>> --
>> // Naderan *Mahmood;
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-- 
--
// Naderan *Mahmood;
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