ok thanks
On 1/22/12, Nilay Vaish <ni...@cs.wisc.edu> wrote:
> You need to ask gdb to print it.
>
> --
> Nilay
>
> On Sun, 22 Jan 2012, Mahmood Naderan wrote:
>
>> So what is the source and what is the destinatin ports? backtrace
>> doesn't show that
>>
>> On 1/22/12, Nilay Vaish <ni...@cs.wisc.edu> wrote:
>>> The port, through which the packet is about to be sent, is NULL. Seems
>>> like the destination port was not set correctly.
>>>
>>> --
>>> Nilay
>>>
>>> On Sun, 22 Jan 2012, Mahmood Naderan wrote:
>>>
>>>> using m5.debug
>>>>
>>>>
>>>> Program received signal SIGSEGV, Segmentation fault.
>>>> 0x000000000046d18c in Port::sendTiming (this=0x0, pkt=0x3081120) at
>>>> build/X86_SE/mem/port.hh:186
>>>> 186 bool sendTiming(PacketPtr pkt) { return
>>>> peer->recvTiming(pkt); }
>>>> (gdb) bt
>>>> #0 0x000000000046d18c in Port::sendTiming (this=0x0, pkt=0x3081120)
>>>> at build/X86_SE/mem/port.hh:186
>>>>
>>>> #1 0x0000000000473853 in Bus::recvTiming (this=0x233c480,
>>>> pkt=0x3081120) at build/X86_SE/mem/bus.cc:265
>>>>
>>>> #2 0x000000000047b66f in Bus::BusPort::recvTiming (this=0x25a5360,
>>>> pkt=0x3081120) at build/X86_SE/mem/bus.hh:89
>>>>
>>>> #3 0x000000000046d1ae in Port::sendTiming (this=0x24798f0,
>>>> pkt=0x3081120) at build/X86_SE/mem/port.hh:186
>>>>
>>>> #4 0x00000000005d2db0 in Cache<LRU>::MemSidePort::sendPacket
>>>> (this=0x24798f0) at build/X86_SE/mem/cache/cache_impl.hh:1746
>>>>
>>>> #5 0x00000000005d4185 in Cache<LRU>::MemSidePort::recvRetry
>>>> (this=0x24798f0) at build/X86_SE/mem/cache/cache_impl.hh:1785
>>>>
>>>> #6 0x000000000047b595 in Port::sendRetry (this=0x25a5360) at
>>>> build/X86_SE/mem/port.hh:212
>>>>
>>>> #7 0x0000000000474a32 in Bus::recvRetry (this=0x233c480, id=-1) at
>>>> build/X86_SE/mem/bus.cc:305
>>>>
>>>> #8 0x00000000004725f3 in Bus::BusFreeEvent::process (this=0x233c568)
>>>> at build/X86_SE/mem/bus.cc:129
>>>>
>>>> #9 0x000000000065856c in EventQueue::serviceOne (this=0x17876c0) at
>>>> build/X86_SE/sim/eventq.cc:204
>>>>
>>>> #10 0x000000000069c31c in simulate (num_cycles=385696971000) at
>>>> build/X86_SE/sim/simulate.cc:74
>>>>
>>>>
>>>> On 1/22/12, Nilay Vaish <ni...@cs.wisc.edu> wrote:
>>>>> The segmentation fault occurred in the code for the bus, not in the
>>>>> atomic
>>>>> cpu. It seems you are not using gem5.debug. If you are debugging with
>>>>> gdb,
>>>>> try to use gem5.debug, the back trace output will be better.
>>>>>
>>>>> --
>>>>> Nilay
>>>>>
>>>>> On Sun, 22 Jan 2012, Mahmood Naderan wrote:
>>>>>
>>>>>> Hi,
>>>>>> I get segmentation fault in atomic simplpe cpu (before switching to
>>>>>> O3). The backtrace shows:
>>>>>>
>>>>>> Program received signal SIGSEGV, Segmentation fault.
>>>>>> Bus::recvAtomic (this=<optimized out>, pkt=0x252e5a8) at
>>>>>> build/X86_SE/mem/bus.cc:673
>>>>>> 673 }
>>>>>> (gdb) bt
>>>>>> #0 Bus::recvAtomic (this=<optimized out>, pkt=0x252e5a8) at
>>>>>> build/X86_SE/mem/bus.cc:673
>>>>>>
>>>>>> #1 0x00000000005e5bd5 in sendAtomic (pkt=0x252e5a8, this=<optimized
>>>>>> out>) at build/X86_SE/mem/port.hh:194
>>>>>>
>>>>>> #2 Cache<LRU>::atomicAccess (this=0x21f5b20, pkt=0x252ecf8) at
>>>>>> build/X86_SE/mem/cache/cache_impl.hh:746
>>>>>>
>>>>>> #3 0x000000000049bc25 in sendAtomic (pkt=0x252ecf8, this=<optimized
>>>>>> out>) at build/X86_SE/mem/port.hh:194
>>>>>>
>>>>>> #4 Bus::recvAtomic (this=<optimized out>, pkt=0x252ecf8) at
>>>>>> build/X86_SE/mem/bus.cc:428
>>>>>>
>>>>>> #5 0x00000000005e5bd5 in sendAtomic (pkt=0x252ecf8, this=<optimized
>>>>>> out>) at build/X86_SE/mem/port.hh:194
>>>>>>
>>>>>> #6 Cache<LRU>::atomicAccess (this=0x2322330, pkt=0x7fffffffc8c0) at
>>>>>> build/X86_SE/mem/cache/cache_impl.hh:746
>>>>>>
>>>>>> #7 0x000000000086421e in sendAtomic (pkt=0x7fffffffc8c0,
>>>>>> this=<optimized out>) at build/X86_SE/mem/port.hh:194
>>>>>>
>>>>>> #8 AtomicSimpleCPU::writeMem (this=0x2251f30, data=0x7fffffffcb90
>>>>>> "\034\307q\034\307q\234?\020\320\377\377\377\177", size=8,
>>>>>> addr=46912763695104, flags=3, res=0x0) at
>>>>>> build/X86_SE/cpu/simple/atomic.cc:457
>>>>>>
>>>>>> #9 0x0000000000c59f74 in writeMemTiming<AtomicSimpleCPU>
>>>>>> (flags=<optimized out>, addr=<optimized out>,
>>>>>> dataSize=<optimized out>, mem=4583663620745971484, traceData=0x0,
>>>>>> xc=0x2251f30, res=<optimized out>)
>>>>>> at build/X86_SE/arch/x86/memhelpers.hh:113
>>>>>>
>>>>>> #10 writeMemAtomic<AtomicSimpleCPU> (flags=<optimized out>,
>>>>>> addr=<optimized out>, dataSize=<optimized out>,
>>>>>> mem=<optimized out>, traceData=0x0, xc=0x2251f30, res=<optimized
>>>>>> out>) at build/X86_SE/arch/x86/memhelpers.hh:122
>>>>>>
>>>>>> #11 X86ISAInst::St::execute (this=0x2e460b0, xc=0x2251f30,
>>>>>> traceData=0x0)
>>>>>> at build/X86_SE/arch/x86/atomic_simple_cpu_exec.cc:13756
>>>>>>
>>>>>> #12 0x00000000008649df in AtomicSimpleCPU::tick (this=0x2251f30) at
>>>>>> build/X86_SE/cpu/simple/atomic.cc:567
>>>>>>
>>>>>> #13 0x000000000067e04e in EventQueue::serviceOne (this=<optimized
>>>>>> out>) at build/X86_SE/sim/eventq.cc:204
>>>>>>
>>>>>> #14 0x00000000006bd47a in simulate (num_cycles=9223372036854775807) at
>>>>>> build/X86_SE/sim/simulate.cc:74
>>>>>>
>>>>>>
>>>>>> I have not changed atomic cpu model so please share any suggestion.
>>>>>> What is the description of this fault?
>>>>>>
>>>>>> --
>>>>>> // Naderan *Mahmood;
>>>>>> _______________________________________________
>>>>>> gem5-users mailing list
>>>>>> gem5-users@gem5.org
>>>>>> http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users
>>>>>>
>>>>> _______________________________________________
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>>>>>
>>>>
>>>>
>>>> --
>>>> --
>>>> // Naderan *Mahmood;
>>>> _______________________________________________
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>>
>>
>> --
>> --
>> // Naderan *Mahmood;
>> _______________________________________________
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>>
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--
--
// Naderan *Mahmood;
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