Hi,
We encountered the following error when I am using X86KvmCPU and
TimingSimpleCPU to make checkpoints in FS.
"pybind11::object_api<>::operator() PyGILState_Check() failure."
The same problem is reproduced in Ubuntu 20.04 and 22.04.
My guess is some simobjects grabbed the lock without releasing it.
But I am not sure.
Can someone hint us on how to debug such exceptions?
== GDB stack ===
#0 __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
#1 0x00007ffff6bc8859 in __GI_abort () at abort.c:79
#2 0x00007ffff6fa0911 in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6
#3 0x00007ffff6fac38c in ?? () from /lib/x86_64-linux-gnu/libstdc++.so.6
#4 0x00007ffff6fac3f7 in std::terminate() () from
/lib/x86_64-linux-gnu/libstdc++.so.6
#5 0x00007ffff6fac6a9 in __cxa_throw () from
/lib/x86_64-linux-gnu/libstdc++.so.6
#6 0x000055555577ef75 in pybind11::pybind11_fail (reason=0x55555737f9b8
"pybind11::object_api<>::operator() PyGILState_Check() failure.") at
ext/pybind11/include/pybind11/detail/common.h:838
#7 0x000055555621f640 in
pybind11::detail::object_api<pybind11::detail::accessor<pybind11::detail::accessor_policies::str_attr>
>::operator()<(pybind11::return_value_policy)1> (this=0x7fff2f91cb20)
at ext/pybind11/include/pybind11/cast.h:1397
#8 0x00005555562175a5 in gem5::statistics::pythonDump () at
build/X86_MESI_Two_Level/python/pybind11/stats.cc:94
#9 0x00005555566cf5fa in gem5::statistics::dump () at
build/X86_MESI_Two_Level/base/statistics.cc:304
#10 0x00005555567e6355 in gem5::statistics::StatEvent::process
(this=0x555575ed0000) at build/X86_MESI_Two_Level/sim/stat_control.cc:92
#11 0x00005555567c64ef in gem5::GlobalEvent::BarrierEvent::process
(this=0x55555b865300) at build/X86_MESI_Two_Level/sim/global_event.cc:134
#12 0x00005555567bb412 in gem5::EventQueue::serviceOne
(this=0x555558b997a0) at build/X86_MESI_Two_Level/sim/eventq.cc:223
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