Yep, I'm pretty sure this is it. If I run gem5 under gdb then things
work, but if I run the fs timing atomic regression by itself it
segfaults. If I use gdb to open the core file it produces, this is the
backtrace at the time it blows up. It's pretty clear the segfault is in
the mshr stuff.
Gabe
(gdb) bt
#0 isForwardNoResponse (this=0x4c1e2e0, pkt=0x65ecb90) at
build/X86/mem/cache/mshr.hh:266
#1 MSHR::markInService (this=0x4c1e2e0, pkt=0x65ecb90) at
build/X86/mem/cache/mshr.cc:223
#2 0x000000000061b644 in MSHRQueue::markInService (this=0x4c1c1b8,
mshr=0x4c1e2e0, pkt=<value optimized out>) at
build/X86/mem/cache/mshr_queue.cc:202
#3 0x00000000005e5ca1 in Cache<LRU>::markInService(MSHR*, Packet*) ()
#4 0x00000000005fa222 in
Cache<LRU>::MemSidePacketQueue::sendDeferredPacket() ()
#5 0x000000000045e492 in PacketQueue::retry (this=0x4c735f8) at
build/X86/mem/packet_queue.cc:64
#6 0x0000000000433a3a in sendRetry (this=<value optimized out>) at
build/X86/mem/port.hh:137
#7 retryWaiting (this=<value optimized out>) at build/X86/mem/bus.cc:221
#8 releaseBus (this=<value optimized out>) at build/X86/mem/bus.cc:198
#9 EventWrapper<BaseBus, &(BaseBus::releaseBus)>::process (this=<value
optimized out>) at build/X86/sim/eventq.hh:592
[snip]
On 06/03/12 12:32, Gabe Black wrote:
> The packet problems seem to come from this bit of code in
> mem/cache/cache_impl.hh
>
> waitingOnRetry = !masterPort.sendTimingReq(pkt);
>
> if (waitingOnRetry) {
> DPRINTF(CachePort, "now waiting on a retry\n");
> if (!mshr->isForwardNoResponse()) {
> // we are awaiting a retry, but we
> // delete the packet and will be creating a new packet
> // when we get the opportunity
> delete pkt;
> }
> // note that we have now masked any requestBus and
> // schedSendEvent (we will wait for a retry before
> // doing anything), and this is so even if we do not
> // care about this packet and might override it before
> // it gets retried
> } else {
> cache.markInService(mshr, pkt);
> }
>
> The first line ends up calling timingAccess, and in that function the
> packet may be deleted. timingAccess is a long function and I didn't
> bother to try to figure out under what conditions the packet is deleted.
> Then on the last line of code above, cache.markInService is called with
> the packet as a parameter. That ends up reading some attributes from the
> packet which has already been deleted.
>
> I'm not familiar enough with how the caches are supposed to work to
> propose a fix, but it looks like the faulty assumption is that packets
> aren't deleted by sendTimingReq.
>
> Gabe
>
> On 06/03/12 02:09, Gabe Black wrote:
>> I found the source of the messages about the decoder, and it was fairly
>> harmless although worth fixing.
>>
>> http://reviews.gem5.org/r/1248/
>>
>> The only other messages that have popped up for me after that (below)
>> are related to the memory system and caches, so maybe something's not
>> right with how packets are being handled. It looks like a use after
>> free, and when packets all came from the same pool (they were
>> FastAlloc-ed, right?) they may have ended up over something inert and
>> relatively valid, where as now they can end up pointing at anything.
>>
>> Gabe
>>
>> ==29119== Invalid read of size 4
>> ==29119== at 0x617387: MSHR::markInService(Packet*) (bitset:406)
>> ==29119== by 0x61B643: MSHRQueue::markInService(MSHR*, Packet*)
>> (mshr_queue.cc:202)
>> ==29119== by 0x5E5CA0: Cache<LRU>::markInService(MSHR*, Packet*)
>> (base.hh:242)
>> ==29119== by 0x5FA221:
>> Cache<LRU>::MemSidePacketQueue::sendDeferredPacket() (cache_impl.hh:1704)
>> ==29119== by 0x45E491: PacketQueue::retry() (packet_queue.cc:64)
>> ==29119== by 0x433A39: EventWrapper<BaseBus,
>> &(BaseBus::releaseBus())>::process() (port.hh:137)
>> ==29119== by 0x10234E3: EventQueue::serviceOne() (eventq.cc:204)
>> ==29119== by 0x10644E1: simulate(long) (simulate.cc:73)
>> ==29119== by 0x10BE378: _wrap_simulate (event_wrap.cc:4489)
>> ==29119== by 0x552955E: PyEval_EvalFrameEx (in
>> /usr/lib64/libpython2.6.so.1.0)
>> ==29119== by 0x552B788: PyEval_EvalCodeEx (in
>> /usr/lib64/libpython2.6.so.1.0)
>> ==29119== by 0x5529D52: PyEval_EvalFrameEx (in
>> /usr/lib64/libpython2.6.so.1.0)
>> ==29119== by 0x552B788: PyEval_EvalCodeEx (in
>> /usr/lib64/libpython2.6.so.1.0)
>> ==29119== by 0x552B901: PyEval_EvalCode (in
>> /usr/lib64/libpython2.6.so.1.0)
>> ==29119== by 0x5529983: PyEval_EvalFrameEx (in
>> /usr/lib64/libpython2.6.so.1.0)
>> ==29119== by 0x552B788: PyEval_EvalCodeEx (in
>> /usr/lib64/libpython2.6.so.1.0)
>> ==29119== by 0x5529D52: PyEval_EvalFrameEx (in
>> /usr/lib64/libpython2.6.so.1.0)
>> ==29119== by 0x552B788: PyEval_EvalCodeEx (in
>> /usr/lib64/libpython2.6.so.1.0)
>> ==29119== by 0x552B901: PyEval_EvalCode (in
>> /usr/lib64/libpython2.6.so.1.0)
>> ==29119== by 0x5545F30: run_mod (in /usr/lib64/libpython2.6.so.1.0)
>> ==29119== by 0x554612B: PyRun_StringFlags (in
>> /usr/lib64/libpython2.6.so.1.0)
>> ==29119== by 0x102CA0E: m5Main(int, char**) (init.cc:256)
>> ==29119== by 0x40A380: main (main.cc:57)
>> ==29119== Address 0x904edbc is 12 bytes inside a block of size 88 free'd
>> ==29119== at 0x4C2568F: operator delete(void*) (vg_replace_malloc.c:387)
>> ==29119== by 0x5FD869: Cache<LRU>::timingAccess(Packet*)
>> (cache_impl.hh:493)
>> ==29119== by 0x5FE312:
>> Cache<LRU>::CpuSidePort::recvTimingReq(Packet*) (cache_impl.hh:1594)
>> ==29119== by 0x43FF15: CoherentBus::recvTimingReq(Packet*, short)
>> (coherent_bus.cc:154)
>> ==29119== by 0x5F9EB3:
>> Cache<LRU>::MemSidePacketQueue::sendDeferredPacket() (cache_impl.hh:1688)
>> ==29119== by 0x45E491: PacketQueue::retry() (packet_queue.cc:64)
>> ==29119== by 0x433A39: EventWrapper<BaseBus,
>> &(BaseBus::releaseBus())>::process() (port.hh:137)
>> ==29119== by 0x10234E3: EventQueue::serviceOne() (eventq.cc:204)
>> ==29119== by 0x10644E1: simulate(long) (simulate.cc:73)
>> ==29119== by 0x10BE378: _wrap_simulate (event_wrap.cc:4489)
>> ==29119== by 0x552955E: PyEval_EvalFrameEx (in
>> /usr/lib64/libpython2.6.so.1.0)
>> ==29119== by 0x552B788: PyEval_EvalCodeEx (in
>> /usr/lib64/libpython2.6.so.1.0)
>> ==29119== by 0x5529D52: PyEval_EvalFrameEx (in
>> /usr/lib64/libpython2.6.so.1.0)
>> ==29119== by 0x552B788: PyEval_EvalCodeEx (in
>> /usr/lib64/libpython2.6.so.1.0)
>> ==29119== by 0x552B901: PyEval_EvalCode (in
>> /usr/lib64/libpython2.6.so.1.0)
>> ==29119== by 0x5529983: PyEval_EvalFrameEx (in
>> /usr/lib64/libpython2.6.so.1.0)
>> ==29119== by 0x552B788: PyEval_EvalCodeEx (in
>> /usr/lib64/libpython2.6.so.1.0)
>> ==29119== by 0x5529D52: PyEval_EvalFrameEx (in
>> /usr/lib64/libpython2.6.so.1.0)
>> ==29119== by 0x552B788: PyEval_EvalCodeEx (in
>> /usr/lib64/libpython2.6.so.1.0)
>> ==29119== by 0x552B901: PyEval_EvalCode (in
>> /usr/lib64/libpython2.6.so.1.0)
>> ==29119== by 0x5545F30: run_mod (in /usr/lib64/libpython2.6.so.1.0)
>> ==29119== by 0x554612B: PyRun_StringFlags (in
>> /usr/lib64/libpython2.6.so.1.0)
>> ==29119== by 0x102CA0E: m5Main(int, char**) (init.cc:256)
>> ==29119== by 0x40A380: main (main.cc:57)
>> ==29119==
>> ==29119== Invalid read of size 4
>> ==29119== at 0x617358: MSHR::markInService(Packet*) (mshr.cc:463)
>> ==29119== by 0x61B643: MSHRQueue::markInService(MSHR*, Packet*)
>> (mshr_queue.cc:202)
>> ==29119== by 0x5E5CA0: Cache<LRU>::markInService(MSHR*, Packet*)
>> (base.hh:242)
>> ==29119== by 0x5FA221:
>> Cache<LRU>::MemSidePacketQueue::sendDeferredPacket() (cache_impl.hh:1704)
>> ==29119== by 0x10234E3: EventQueue::serviceOne() (eventq.cc:204)
>> ==29119== by 0x10644E1: simulate(long) (simulate.cc:73)
>> ==29119== by 0x10BE378: _wrap_simulate (event_wrap.cc:4489)
>> ==29119== by 0x552955E: PyEval_EvalFrameEx (in
>> /usr/lib64/libpython2.6.so.1.0)
>> ==29119== by 0x552B788: PyEval_EvalCodeEx (in
>> /usr/lib64/libpython2.6.so.1.0)
>> ==29119== by 0x5529D52: PyEval_EvalFrameEx (in
>> /usr/lib64/libpython2.6.so.1.0)
>> ==29119== by 0x552B788: PyEval_EvalCodeEx (in
>> /usr/lib64/libpython2.6.so.1.0)
>> ==29119== by 0x552B901: PyEval_EvalCode (in
>> /usr/lib64/libpython2.6.so.1.0)
>> ==29119== by 0x5529983: PyEval_EvalFrameEx (in
>> /usr/lib64/libpython2.6.so.1.0)
>> ==29119== by 0x552B788: PyEval_EvalCodeEx (in
>> /usr/lib64/libpython2.6.so.1.0)
>> ==29119== by 0x5529D52: PyEval_EvalFrameEx (in
>> /usr/lib64/libpython2.6.so.1.0)
>> ==29119== by 0x552B788: PyEval_EvalCodeEx (in
>> /usr/lib64/libpython2.6.so.1.0)
>> ==29119== by 0x552B901: PyEval_EvalCode (in
>> /usr/lib64/libpython2.6.so.1.0)
>> ==29119== by 0x5545F30: run_mod (in /usr/lib64/libpython2.6.so.1.0)
>> ==29119== by 0x554612B: PyRun_StringFlags (in
>> /usr/lib64/libpython2.6.so.1.0)
>> ==29119== by 0x102CA0E: m5Main(int, char**) (init.cc:256)
>> ==29119== by 0x40A380: main (main.cc:57)
>> ==29119== Address 0x90605f8 is 8 bytes inside a block of size 88 free'd
>> ==29119== at 0x4C2568F: operator delete(void*) (vg_replace_malloc.c:387)
>> ==29119== by 0x5FD288: Cache<LRU>::timingAccess(Packet*)
>> (cache_impl.hh:425)
>> ==29119== by 0x5FE312:
>> Cache<LRU>::CpuSidePort::recvTimingReq(Packet*) (cache_impl.hh:1594)
>> ==29119== by 0x43FF15: CoherentBus::recvTimingReq(Packet*, short)
>> (coherent_bus.cc:154)
>> ==29119== by 0x5F9EB3:
>> Cache<LRU>::MemSidePacketQueue::sendDeferredPacket() (cache_impl.hh:1688)
>> ==29119== by 0x10234E3: EventQueue::serviceOne() (eventq.cc:204)
>> ==29119== by 0x10644E1: simulate(long) (simulate.cc:73)
>> ==29119== by 0x10BE378: _wrap_simulate (event_wrap.cc:4489)
>> ==29119== by 0x552955E: PyEval_EvalFrameEx (in
>> /usr/lib64/libpython2.6.so.1.0)
>> ==29119== by 0x552B788: PyEval_EvalCodeEx (in
>> /usr/lib64/libpython2.6.so.1.0)
>> ==29119== by 0x5529D52: PyEval_EvalFrameEx (in
>> /usr/lib64/libpython2.6.so.1.0)
>> ==29119== by 0x552B788: PyEval_EvalCodeEx (in
>> /usr/lib64/libpython2.6.so.1.0)
>> ==29119== by 0x552B901: PyEval_EvalCode (in
>> /usr/lib64/libpython2.6.so.1.0)
>> ==29119== by 0x5529983: PyEval_EvalFrameEx (in
>> /usr/lib64/libpython2.6.so.1.0)
>> ==29119== by 0x552B788: PyEval_EvalCodeEx (in
>> /usr/lib64/libpython2.6.so.1.0)
>> ==29119== by 0x5529D52: PyEval_EvalFrameEx (in
>> /usr/lib64/libpython2.6.so.1.0)
>> ==29119== by 0x552B788: PyEval_EvalCodeEx (in
>> /usr/lib64/libpython2.6.so.1.0)
>> ==29119== by 0x552B901: PyEval_EvalCode (in
>> /usr/lib64/libpython2.6.so.1.0)
>> ==29119== by 0x5545F30: run_mod (in /usr/lib64/libpython2.6.so.1.0)
>> ==29119== by 0x554612B: PyRun_StringFlags (in
>> /usr/lib64/libpython2.6.so.1.0)
>> ==29119== by 0x102CA0E: m5Main(int, char**) (init.cc:256)
>> ==29119== by 0x40A380: main (main.cc:57)
>>
>>
>> On 06/02/12 09:22, Ali Saidi wrote:
>>> I was running regressions after removing FastAlloc and getting some very
>>> odd behavior. It seems as though FastAlloc was either masking some use of
>>> uninitialized values and the x86 decoder seems to have some issues. I don't
>>> know if this is related to Gabe's recent restructuring, but I'm not seeing
>>> the same issue on other architectures.
>>>
>>> Gabe, could you take a look?
>>>
>>> Thanks,
>>> Ali
>>>
>>>
>>> ==24715== Use of uninitialised value of size 8
>>> ==24715== at 0x600738: X86ISA::Decoder::decode(X86ISA::ExtMachInst,
>>> unsigned long) (hashtable.h:695)
>>> ==24715== by 0x462555: BaseSimpleCPU::preExecute() (decoder.hh:240)
>>> ==24715== by 0x456C0C: TimingSimpleCPU::completeIfetch(Packet*)
>>> (timing.cc:661)
>>> ==24715== by 0x45A49B:
>>> TimingSimpleCPU::IcachePort::recvTimingResp(Packet*) (timing.cc:726)
>>> ==24715== by 0xF307DC: PacketQueue::trySendTiming() (packet_queue.cc:147)
>>> ==24715== by 0xF308CA: PacketQueue::sendDeferredPacket()
>>> (packet_queue.cc:183)
>>> ==24715== by 0xC24CE3: EventQueue::serviceOne() (eventq.cc:204)
>>> ==24715== by 0xC66301: simulate(long) (simulate.cc:73)
>>> ==24715== by 0xD35C88: _wrap_simulate (event_wrap.cc:4491)
>>> ==24715== by 0x55540B0: PyEval_EvalFrameEx (in
>>> /usr/lib/libpython2.7.so.1.0)
>>> ==24715== by 0x555627C: PyEval_EvalCodeEx (in
>>> /usr/lib/libpython2.7.so.1.0)
>>> ==24715== by 0x555428C: PyEval_EvalFrameEx (in
>>> /usr/lib/libpython2.7.so.1.0)
>>> ==24715==
>>> ==24715== Use of uninitialised value of size 8
>>> ==24715== at 0x601B4C:
>>> std::tr1::__detail::_Map_base<X86ISA::ExtMachInst,
>>> std::pair<X86ISA::ExtMachInst const, RefCountingPtr<StaticInst> >,
>>> std::_Select1st<std::pair<X86ISA::ExtMachInst const,
>>> RefCountingPtr<StaticInst> > >, true,
>>> std::tr1::_Hashtable<X86ISA::ExtMachInst, std::pair<X86ISA::ExtMachInst
>>> const, RefCountingPtr<StaticInst> >,
>>> std::allocator<std::pair<X86ISA::ExtMachInst const,
>>> RefCountingPtr<StaticInst> > >,
>>> std::_Select1st<std::pair<X86ISA::ExtMachInst const,
>>> RefCountingPtr<StaticInst> > >, std::equal_to<X86ISA::ExtMachInst>,
>>> std::tr1::hash<X86ISA::ExtMachInst>,
>>> std::tr1::__detail::_Mod_range_hashing,
>>> std::tr1::__detail::_Default_ranged_hash,
>>> std::tr1::__detail::_Prime_rehash_policy, false, false, true>
>>> >::operator[](X86ISA::ExtMachInst const&) (hashtable_policy.h:525)
>>> ==24715== by 0x600AA0: X86ISA::Decoder::decode(X86ISA::ExtMachInst,
>>> unsigned long) (decoder.cc:428)
>>> ==24715== by 0x462555: BaseSimpleCPU::preExecute() (decoder.hh:240)
>>> ==24715== by 0x456C0C: TimingSimpleCPU::completeIfetch(Packet*)
>>> (timing.cc:661)
>>> ==24715== by 0x45A49B:
>>> TimingSimpleCPU::IcachePort::recvTimingResp(Packet*) (timing.cc:726)
>>> ==24715== by 0xF307DC: PacketQueue::trySendTiming() (packet_queue.cc:147)
>>> ==24715== by 0xF308CA: PacketQueue::sendDeferredPacket()
>>> (packet_queue.cc:183)
>>> ==24715== by 0xC24CE3: EventQueue::serviceOne() (eventq.cc:204)
>>> ==24715== by 0xC66301: simulate(long) (simulate.cc:73)
>>> ==24715== by 0xD35C88: _wrap_simulate (event_wrap.cc:4491)
>>> ==24715== by 0x55540B0: PyEval_EvalFrameEx (in
>>> /usr/lib/libpython2.7.so.1.0)
>>> ==24715== by 0x555627C: PyEval_EvalCodeEx (in
>>> /usr/lib/libpython2.7.so.1.0)
>>> ==24715==
>>> ==24715== Use of uninitialised value of size 8
>>> ==24715== at 0x60191E: std::tr1::_Hashtable<X86ISA::ExtMachInst,
>>> std::pair<X86ISA::ExtMachInst const, RefCountingPtr<StaticInst> >,
>>> std::allocator<std::pair<X86ISA::ExtMachInst const,
>>> RefCountingPtr<StaticInst> > >,
>>> std::_Select1st<std::pair<X86ISA::ExtMachInst const,
>>> RefCountingPtr<StaticInst> > >, std::equal_to<X86ISA::ExtMachInst>,
>>> std::tr1::hash<X86ISA::ExtMachInst>,
>>> std::tr1::__detail::_Mod_range_hashing,
>>> std::tr1::__detail::_Default_ranged_hash,
>>> std::tr1::__detail::_Prime_rehash_policy, false, false,
>>> true>::_M_insert_bucket(std::pair<X86ISA::ExtMachInst const,
>>> RefCountingPtr<StaticInst> > const&, unsigned long, unsigned long)
>>> (hashtable.h:862)
>>> ==24715== by 0x601C26:
>>> std::tr1::__detail::_Map_base<X86ISA::ExtMachInst,
>>> std::pair<X86ISA::ExtMachInst const, RefCountingPtr<StaticInst> >,
>>> std::_Select1st<std::pair<X86ISA::ExtMachInst const,
>>> RefCountingPtr<StaticInst> > >, true,
>>> std::tr1::_Hashtable<X86ISA::ExtMachInst, std::pair<X86ISA::ExtMachInst
>>> const, RefCountingPtr<StaticInst> >,
>>> std::allocator<std::pair<X86ISA::ExtMachInst const,
>>> RefCountingPtr<StaticInst> > >,
>>> std::_Select1st<std::pair<X86ISA::ExtMachInst const,
>>> RefCountingPtr<StaticInst> > >, std::equal_to<X86ISA::ExtMachInst>,
>>> std::tr1::hash<X86ISA::ExtMachInst>,
>>> std::tr1::__detail::_Mod_range_hashing,
>>> std::tr1::__detail::_Default_ranged_hash,
>>> std::tr1::__detail::_Prime_rehash_policy, false, false, true>
>>> >::operator[](X86ISA::ExtMachInst const&) (hashtable_policy.h:528)
>>> ==24715== by 0x600AA0: X86ISA::Decoder::decode(X86ISA::ExtMachInst,
>>> unsigned long) (decoder.cc:428)
>>> ==24715== by 0x462555: BaseSimpleCPU::preExecute() (decoder.hh:240)
>>> ==24715== by 0x456C0C: TimingSimpleCPU::completeIfetch(Packet*)
>>> (timing.cc:661)
>>> ==24715== by 0x45A49B:
>>> TimingSimpleCPU::IcachePort::recvTimingResp(Packet*) (timing.cc:726)
>>> ==24715== by 0xF307DC: PacketQueue::trySendTiming() (packet_queue.cc:147)
>>> ==24715== by 0xF308CA: PacketQueue::sendDeferredPacket()
>>> (packet_queue.cc:183)
>>> ==24715== by 0xC24CE3: EventQueue::serviceOne() (eventq.cc:204)
>>> ==24715== by 0xC66301: simulate(long) (simulate.cc:73)
>>> ==24715== by 0xD35C88: _wrap_simulate (event_wrap.cc:4491)
>>> ==24715== by 0x55540B0: PyEval_EvalFrameEx (in
>>> /usr/lib/libpython2.7.so.1.0)
>>> ==24715==
>>> ==24715== Use of uninitialised value of size 8
>>> ==24715== at 0x60192A: std::tr1::_Hashtable<X86ISA::ExtMachInst,
>>> std::pair<X86ISA::ExtMachInst const, RefCountingPtr<StaticInst> >,
>>> std::allocator<std::pair<X86ISA::ExtMachInst const,
>>> RefCountingPtr<StaticInst> > >,
>>> std::_Select1st<std::pair<X86ISA::ExtMachInst const,
>>> RefCountingPtr<StaticInst> > >, std::equal_to<X86ISA::ExtMachInst>,
>>> std::tr1::hash<X86ISA::ExtMachInst>,
>>> std::tr1::__detail::_Mod_range_hashing,
>>> std::tr1::__detail::_Default_ranged_hash,
>>> std::tr1::__detail::_Prime_rehash_policy, false, false,
>>> true>::_M_insert_bucket(std::pair<X86ISA::ExtMachInst const,
>>> RefCountingPtr<StaticInst> > const&, unsigned long, unsigned long)
>>> (hashtable.h:864)
>>> ==24715== by 0x601C26:
>>> std::tr1::__detail::_Map_base<X86ISA::ExtMachInst,
>>> std::pair<X86ISA::ExtMachInst const, RefCountingPtr<StaticInst> >,
>>> std::_Select1st<std::pair<X86ISA::ExtMachInst const,
>>> RefCountingPtr<StaticInst> > >, true,
>>> std::tr1::_Hashtable<X86ISA::ExtMachInst, std::pair<X86ISA::ExtMachInst
>>> const, RefCountingPtr<StaticInst> >,
>>> std::allocator<std::pair<X86ISA::ExtMachInst const,
>>> RefCountingPtr<StaticInst> > >,
>>> std::_Select1st<std::pair<X86ISA::ExtMachInst const,
>>> RefCountingPtr<StaticInst> > >, std::equal_to<X86ISA::ExtMachInst>,
>>> std::tr1::hash<X86ISA::ExtMachInst>,
>>> std::tr1::__detail::_Mod_range_hashing,
>>> std::tr1::__detail::_Default_ranged_hash,
>>> std::tr1::__detail::_Prime_rehash_policy, false, false, true>
>>> >::operator[](X86ISA::ExtMachInst const&) (hashtable_policy.h:528)
>>> ==24715== by 0x600AA0: X86ISA::Decoder::decode(X86ISA::ExtMachInst,
>>> unsigned long) (decoder.cc:428)
>>> ==24715== by 0x462555: BaseSimpleCPU::preExecute() (decoder.hh:240)
>>> ==24715== by 0x456C0C: TimingSimpleCPU::completeIfetch(Packet*)
>>> (timing.cc:661)
>>> ==24715== by 0x45A49B:
>>> TimingSimpleCPU::IcachePort::recvTimingResp(Packet*) (timing.cc:726)
>>> ==24715== by 0xF307DC: PacketQueue::trySendTiming() (packet_queue.cc:147)
>>> ==24715== by 0xF308CA: PacketQueue::sendDeferredPacket()
>>> (packet_queue.cc:183)
>>> ==24715== by 0xC24CE3: EventQueue::serviceOne() (eventq.cc:204)
>>> ==24715== by 0xC66301: simulate(long) (simulate.cc:73)
>>> ==24715== by 0xD35C88: _wrap_simulate (event_wrap.cc:4491)
>>> ==24715== by 0x55540B0: PyEval_EvalFrameEx (in
>>> /usr/lib/libpython2.7.so.1.0)
>>> ==24715==
>>>
>>>
>>>
>>> _______________________________________________
>>> gem5-dev mailing list
>>> [email protected]
>>> http://m5sim.org/mailman/listinfo/gem5-dev
>> _______________________________________________
>> gem5-dev mailing list
>> [email protected]
>> http://m5sim.org/mailman/listinfo/gem5-dev
> _______________________________________________
> gem5-dev mailing list
> [email protected]
> http://m5sim.org/mailman/listinfo/gem5-dev
_______________________________________________
gem5-dev mailing list
[email protected]
http://m5sim.org/mailman/listinfo/gem5-dev
