[gem5-users] Re: static_inst.cc panic or assertion error when debugging execution of an x86 O3CPU

2021-08-12 Thread Deric Cheung via gem5-users
My last issue has been resolved with that patch (https://gem5-review.googlesource.com/c/public/gem5/+/49203). Thank you! ___
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[gem5-users] Re: static_inst.cc panic or assertion error when debugging execution of an x86 O3CPU

2021-08-12 Thread Gabe Black via gem5-users
https://gem5-review.googlesource.com/c/public/gem5/+/49203

On Thu, Aug 12, 2021 at 4:56 AM Gabe Black  wrote:

>
>
> On Wed, Aug 11, 2021 at 7:20 AM Deric Cheung via gem5-users <
> gem5-users@gem5.org> wrote:
>
>> I implemented that patch (
>> https://gem5-review.googlesource.com/c/public/gem5/+/49183) and now the
>> panic in static_inst.cc no longer occurs. Thank you!
>>
>> However I still encounter a failed assertion (gem5.opt:
>> build/X86/arch/x86/insts/static_inst.cc:144: static void
>> gem5::X86ISA::X86StaticInst::printReg(std::ostream&, gem5::RegId, int):
>> Assertion `size == 1 || size == 2 || size == 4 || size == 8' failed.) when
>> running this command:
>>
>> build/X86/gem5.opt --debug-flags=Exec --debug-file=debug.txt
>> --debug-start=1000 configs/example/se.py --cpu-type=O3CPU --caches -c
>> tests/test-progs/threads/bin/x86/linux/threads
>>
>> Log:
>> $ build/X86/gem5.opt --debug-flags=Exec --debug-file=debug.txt
>> --debug-start=1000 configs/example/se.py --cpu-type=O3CPU --caches -c
>> tests/test-progs/threads/bin/x86/linux/threads
>> gem5 Simulator System.  http://gem5.org
>> gem5 is copyrighted software; use the --copyright option for details.
>>
>> gem5 version 21.1.0.0
>> gem5 compiled Aug 11 2021 08:12:16
>> gem5 started Aug 11 2021 08:15:32
>> gem5 executing on uc12, pid 1408288
>> command line: build/X86/gem5.opt --debug-flags=Exec
>> --debug-file=debug.txt --debug-start=1000 configs/example/se.py
>> --cpu-type=O3CPU --caches -c tests/test-progs/threads/bin/x86/linux/threads
>>
>> warn: membus.slave is deprecated. `slave` is now called `cpu_side_ports`
>> warn: membus.slave is deprecated. `slave` is now called `cpu_side_ports`
>> warn: membus.slave is deprecated. `slave` is now called `cpu_side_ports`
>> warn: membus.slave is deprecated. `slave` is now called `cpu_side_ports`
>> warn: membus.slave is deprecated. `slave` is now called `cpu_side_ports`
>> warn: membus.master is deprecated. `master` is now called `mem_side_ports`
>> warn: membus.master is deprecated. `master` is now called `mem_side_ports`
>> warn: membus.slave is deprecated. `slave` is now called `cpu_side_ports`
>> Global frequency set at 1 ticks per second
>> warn: No dot file generated. Please install pydot to generate the dot
>> file and pdf.
>> build/X86/mem/mem_interface.cc:791: warn: DRAM device capacity (8192
>> Mbytes) does not match the address range assigned (512 Mbytes)
>> 0: system.remote_gdb: listening for remote gdb on port 7000
>>  REAL SIMULATION 
>> build/X86/sim/simulate.cc:107: info: Entering event queue @ 0.  Starting
>> simulation...
>> build/X86/arch/x86/cpuid.cc:180: warn: x86 cpuid family 0x:
>> unimplemented function 13
>> gem5.opt: build/X86/arch/x86/insts/static_inst.cc:144: static void
>> gem5::X86ISA::X86StaticInst::printReg(std::ostream&, gem5::RegId, int):
>> Assertion `size == 1 || size == 2 || size == 4 || size == 8' failed.
>> Program aborted at tick 10277500
>> --- BEGIN LIBC BACKTRACE ---
>> build/X86/gem5.opt(+0x1074340)[0x55744c0c4340]
>> build/X86/gem5.opt(+0x109393e)[0x55744c0e393e]
>> /lib/x86_64-linux-gnu/libpthread.so.0(+0x153c0)[0x7f3f7d2353c0]
>> /lib/x86_64-linux-gnu/libc.so.6(gsignal+0xcb)[0x7f3f7c7d818b]
>> /lib/x86_64-linux-gnu/libc.so.6(abort+0x12b)[0x7f3f7c7b7859]
>> /lib/x86_64-linux-gnu/libc.so.6(+0x25729)[0x7f3f7c7b7729]
>> /lib/x86_64-linux-gnu/libc.so.6(+0x36f36)[0x7f3f7c7c8f36]
>> build/X86/gem5.opt(+0x7a680a)[0x55744b7f680a]
>> build/X86/gem5.opt(+0xb1e459)[0x55744bb6e459]
>> build/X86/gem5.opt(+0xe913fd)[0x55744bee13fd]
>> build/X86/gem5.opt(+0xe83859)[0x55744bed3859]
>> build/X86/gem5.opt(+0xfa9893)[0x55744bff9893]
>> build/X86/gem5.opt(+0xfaad51)[0x55744bffad51]
>> build/X86/gem5.opt(+0xfac650)[0x55744bffc650]
>> build/X86/gem5.opt(+0xfaca08)[0x55744bffca08]
>> build/X86/gem5.opt(+0xfbd469)[0x55744c00d469]
>> build/X86/gem5.opt(+0x10815f6)[0x55744c0d15f6]
>> build/X86/gem5.opt(+0x10af334)[0x55744c0ff334]
>> build/X86/gem5.opt(+0x10afb82)[0x55744c0ffb82]
>> build/X86/gem5.opt(+0xc7d2f2)[0x55744bccd2f2]
>> build/X86/gem5.opt(+0x6804b3)[0x55744b6d04b3]
>> /lib/x86_64-linux-gnu/libpython3.8.so.1.0(+0x2a8738)[0x7f3f7d4eb738]
>>
>> /lib/x86_64-linux-gnu/libpython3.8.so.1.0(_PyEval_EvalFrameDefault+0x8dd8)[0x7f3f7d2c0f48]
>>
>> /lib/x86_64-linux-gnu/libpython3.8.so.1.0(_PyEval_EvalCodeWithName+0x8fb)[0x7f3f7d40de3b]
>>
>> /lib/x86_64-linux-gnu/libpython3.8.so.1.0(_PyFunction_Vectorcall+0x94)[0x7f3f7d4eb114]
>> /lib/x86_64-linux-gnu/libpython3.8.so.1.0(+0x74d6d)[0x7f3f7d2b7d6d]
>>
>> /lib/x86_64-linux-gnu/libpython3.8.so.1.0(_PyEval_EvalFrameDefault+0x7d86)[0x7f3f7d2bfef6]
>> /lib/x86_64-linux-gnu/libpython3.8.so.1.0(+0x8006b)[0x7f3f7d2c306b]
>> /lib/x86_64-linux-gnu/libpython3.8.so.1.0(+0x74d6d)[0x7f3f7d2b7d6d]
>>
>> /lib/x86_64-linux-gnu/libpython3.8.so.1.0(_PyEval_EvalFrameDefault+0x12fd)[0x7f3f7d2b946d]
>>
>> /lib/x86_64-linux-gnu/libpython3.8.so.1.0(_PyEval_EvalCodeWithName+0x8fb)[0x7f3f7d40de3b]
>>
>> 

[gem5-users] Re: static_inst.cc panic or assertion error when debugging execution of an x86 O3CPU

2021-08-12 Thread Gabe Black via gem5-users
On Wed, Aug 11, 2021 at 7:20 AM Deric Cheung via gem5-users <
gem5-users@gem5.org> wrote:

> I implemented that patch (
> https://gem5-review.googlesource.com/c/public/gem5/+/49183) and now the
> panic in static_inst.cc no longer occurs. Thank you!
>
> However I still encounter a failed assertion (gem5.opt:
> build/X86/arch/x86/insts/static_inst.cc:144: static void
> gem5::X86ISA::X86StaticInst::printReg(std::ostream&, gem5::RegId, int):
> Assertion `size == 1 || size == 2 || size == 4 || size == 8' failed.) when
> running this command:
>
> build/X86/gem5.opt --debug-flags=Exec --debug-file=debug.txt
> --debug-start=1000 configs/example/se.py --cpu-type=O3CPU --caches -c
> tests/test-progs/threads/bin/x86/linux/threads
>
> Log:
> $ build/X86/gem5.opt --debug-flags=Exec --debug-file=debug.txt
> --debug-start=1000 configs/example/se.py --cpu-type=O3CPU --caches -c
> tests/test-progs/threads/bin/x86/linux/threads
> gem5 Simulator System.  http://gem5.org
> gem5 is copyrighted software; use the --copyright option for details.
>
> gem5 version 21.1.0.0
> gem5 compiled Aug 11 2021 08:12:16
> gem5 started Aug 11 2021 08:15:32
> gem5 executing on uc12, pid 1408288
> command line: build/X86/gem5.opt --debug-flags=Exec --debug-file=debug.txt
> --debug-start=1000 configs/example/se.py --cpu-type=O3CPU --caches -c
> tests/test-progs/threads/bin/x86/linux/threads
>
> warn: membus.slave is deprecated. `slave` is now called `cpu_side_ports`
> warn: membus.slave is deprecated. `slave` is now called `cpu_side_ports`
> warn: membus.slave is deprecated. `slave` is now called `cpu_side_ports`
> warn: membus.slave is deprecated. `slave` is now called `cpu_side_ports`
> warn: membus.slave is deprecated. `slave` is now called `cpu_side_ports`
> warn: membus.master is deprecated. `master` is now called `mem_side_ports`
> warn: membus.master is deprecated. `master` is now called `mem_side_ports`
> warn: membus.slave is deprecated. `slave` is now called `cpu_side_ports`
> Global frequency set at 1 ticks per second
> warn: No dot file generated. Please install pydot to generate the dot file
> and pdf.
> build/X86/mem/mem_interface.cc:791: warn: DRAM device capacity (8192
> Mbytes) does not match the address range assigned (512 Mbytes)
> 0: system.remote_gdb: listening for remote gdb on port 7000
>  REAL SIMULATION 
> build/X86/sim/simulate.cc:107: info: Entering event queue @ 0.  Starting
> simulation...
> build/X86/arch/x86/cpuid.cc:180: warn: x86 cpuid family 0x:
> unimplemented function 13
> gem5.opt: build/X86/arch/x86/insts/static_inst.cc:144: static void
> gem5::X86ISA::X86StaticInst::printReg(std::ostream&, gem5::RegId, int):
> Assertion `size == 1 || size == 2 || size == 4 || size == 8' failed.
> Program aborted at tick 10277500
> --- BEGIN LIBC BACKTRACE ---
> build/X86/gem5.opt(+0x1074340)[0x55744c0c4340]
> build/X86/gem5.opt(+0x109393e)[0x55744c0e393e]
> /lib/x86_64-linux-gnu/libpthread.so.0(+0x153c0)[0x7f3f7d2353c0]
> /lib/x86_64-linux-gnu/libc.so.6(gsignal+0xcb)[0x7f3f7c7d818b]
> /lib/x86_64-linux-gnu/libc.so.6(abort+0x12b)[0x7f3f7c7b7859]
> /lib/x86_64-linux-gnu/libc.so.6(+0x25729)[0x7f3f7c7b7729]
> /lib/x86_64-linux-gnu/libc.so.6(+0x36f36)[0x7f3f7c7c8f36]
> build/X86/gem5.opt(+0x7a680a)[0x55744b7f680a]
> build/X86/gem5.opt(+0xb1e459)[0x55744bb6e459]
> build/X86/gem5.opt(+0xe913fd)[0x55744bee13fd]
> build/X86/gem5.opt(+0xe83859)[0x55744bed3859]
> build/X86/gem5.opt(+0xfa9893)[0x55744bff9893]
> build/X86/gem5.opt(+0xfaad51)[0x55744bffad51]
> build/X86/gem5.opt(+0xfac650)[0x55744bffc650]
> build/X86/gem5.opt(+0xfaca08)[0x55744bffca08]
> build/X86/gem5.opt(+0xfbd469)[0x55744c00d469]
> build/X86/gem5.opt(+0x10815f6)[0x55744c0d15f6]
> build/X86/gem5.opt(+0x10af334)[0x55744c0ff334]
> build/X86/gem5.opt(+0x10afb82)[0x55744c0ffb82]
> build/X86/gem5.opt(+0xc7d2f2)[0x55744bccd2f2]
> build/X86/gem5.opt(+0x6804b3)[0x55744b6d04b3]
> /lib/x86_64-linux-gnu/libpython3.8.so.1.0(+0x2a8738)[0x7f3f7d4eb738]
>
> /lib/x86_64-linux-gnu/libpython3.8.so.1.0(_PyEval_EvalFrameDefault+0x8dd8)[0x7f3f7d2c0f48]
>
> /lib/x86_64-linux-gnu/libpython3.8.so.1.0(_PyEval_EvalCodeWithName+0x8fb)[0x7f3f7d40de3b]
>
> /lib/x86_64-linux-gnu/libpython3.8.so.1.0(_PyFunction_Vectorcall+0x94)[0x7f3f7d4eb114]
> /lib/x86_64-linux-gnu/libpython3.8.so.1.0(+0x74d6d)[0x7f3f7d2b7d6d]
>
> /lib/x86_64-linux-gnu/libpython3.8.so.1.0(_PyEval_EvalFrameDefault+0x7d86)[0x7f3f7d2bfef6]
> /lib/x86_64-linux-gnu/libpython3.8.so.1.0(+0x8006b)[0x7f3f7d2c306b]
> /lib/x86_64-linux-gnu/libpython3.8.so.1.0(+0x74d6d)[0x7f3f7d2b7d6d]
>
> /lib/x86_64-linux-gnu/libpython3.8.so.1.0(_PyEval_EvalFrameDefault+0x12fd)[0x7f3f7d2b946d]
>
> /lib/x86_64-linux-gnu/libpython3.8.so.1.0(_PyEval_EvalCodeWithName+0x8fb)[0x7f3f7d40de3b]
>
> /lib/x86_64-linux-gnu/libpython3.8.so.1.0(_PyFunction_Vectorcall+0x94)[0x7f3f7d4eb114]
> --- END LIBC BACKTRACE ---
> Aborted
>
> On Wed, Aug 11, 2021 at 12:41 AM Gabe Black via gem5-users <
> gem5-users@gem5.org> wrote:
>
>> Please 

[gem5-users] Re: static_inst.cc panic or assertion error when debugging execution of an x86 O3CPU

2021-08-11 Thread Deric Cheung via gem5-users
I implemented that patch (
https://gem5-review.googlesource.com/c/public/gem5/+/49183) and now the
panic in static_inst.cc no longer occurs. Thank you!

However I still encounter a failed assertion (gem5.opt:
build/X86/arch/x86/insts/static_inst.cc:144: static void
gem5::X86ISA::X86StaticInst::printReg(std::ostream&, gem5::RegId, int):
Assertion `size == 1 || size == 2 || size == 4 || size == 8' failed.) when
running this command:

build/X86/gem5.opt --debug-flags=Exec --debug-file=debug.txt
--debug-start=1000 configs/example/se.py --cpu-type=O3CPU --caches -c
tests/test-progs/threads/bin/x86/linux/threads

Log:
$ build/X86/gem5.opt --debug-flags=Exec --debug-file=debug.txt
--debug-start=1000 configs/example/se.py --cpu-type=O3CPU --caches -c
tests/test-progs/threads/bin/x86/linux/threads
gem5 Simulator System.  http://gem5.org
gem5 is copyrighted software; use the --copyright option for details.

gem5 version 21.1.0.0
gem5 compiled Aug 11 2021 08:12:16
gem5 started Aug 11 2021 08:15:32
gem5 executing on uc12, pid 1408288
command line: build/X86/gem5.opt --debug-flags=Exec --debug-file=debug.txt
--debug-start=1000 configs/example/se.py --cpu-type=O3CPU --caches -c
tests/test-progs/threads/bin/x86/linux/threads

warn: membus.slave is deprecated. `slave` is now called `cpu_side_ports`
warn: membus.slave is deprecated. `slave` is now called `cpu_side_ports`
warn: membus.slave is deprecated. `slave` is now called `cpu_side_ports`
warn: membus.slave is deprecated. `slave` is now called `cpu_side_ports`
warn: membus.slave is deprecated. `slave` is now called `cpu_side_ports`
warn: membus.master is deprecated. `master` is now called `mem_side_ports`
warn: membus.master is deprecated. `master` is now called `mem_side_ports`
warn: membus.slave is deprecated. `slave` is now called `cpu_side_ports`
Global frequency set at 1 ticks per second
warn: No dot file generated. Please install pydot to generate the dot file
and pdf.
build/X86/mem/mem_interface.cc:791: warn: DRAM device capacity (8192
Mbytes) does not match the address range assigned (512 Mbytes)
0: system.remote_gdb: listening for remote gdb on port 7000
 REAL SIMULATION 
build/X86/sim/simulate.cc:107: info: Entering event queue @ 0.  Starting
simulation...
build/X86/arch/x86/cpuid.cc:180: warn: x86 cpuid family 0x:
unimplemented function 13
gem5.opt: build/X86/arch/x86/insts/static_inst.cc:144: static void
gem5::X86ISA::X86StaticInst::printReg(std::ostream&, gem5::RegId, int):
Assertion `size == 1 || size == 2 || size == 4 || size == 8' failed.
Program aborted at tick 10277500
--- BEGIN LIBC BACKTRACE ---
build/X86/gem5.opt(+0x1074340)[0x55744c0c4340]
build/X86/gem5.opt(+0x109393e)[0x55744c0e393e]
/lib/x86_64-linux-gnu/libpthread.so.0(+0x153c0)[0x7f3f7d2353c0]
/lib/x86_64-linux-gnu/libc.so.6(gsignal+0xcb)[0x7f3f7c7d818b]
/lib/x86_64-linux-gnu/libc.so.6(abort+0x12b)[0x7f3f7c7b7859]
/lib/x86_64-linux-gnu/libc.so.6(+0x25729)[0x7f3f7c7b7729]
/lib/x86_64-linux-gnu/libc.so.6(+0x36f36)[0x7f3f7c7c8f36]
build/X86/gem5.opt(+0x7a680a)[0x55744b7f680a]
build/X86/gem5.opt(+0xb1e459)[0x55744bb6e459]
build/X86/gem5.opt(+0xe913fd)[0x55744bee13fd]
build/X86/gem5.opt(+0xe83859)[0x55744bed3859]
build/X86/gem5.opt(+0xfa9893)[0x55744bff9893]
build/X86/gem5.opt(+0xfaad51)[0x55744bffad51]
build/X86/gem5.opt(+0xfac650)[0x55744bffc650]
build/X86/gem5.opt(+0xfaca08)[0x55744bffca08]
build/X86/gem5.opt(+0xfbd469)[0x55744c00d469]
build/X86/gem5.opt(+0x10815f6)[0x55744c0d15f6]
build/X86/gem5.opt(+0x10af334)[0x55744c0ff334]
build/X86/gem5.opt(+0x10afb82)[0x55744c0ffb82]
build/X86/gem5.opt(+0xc7d2f2)[0x55744bccd2f2]
build/X86/gem5.opt(+0x6804b3)[0x55744b6d04b3]
/lib/x86_64-linux-gnu/libpython3.8.so.1.0(+0x2a8738)[0x7f3f7d4eb738]
/lib/x86_64-linux-gnu/libpython3.8.so.1.0(_PyEval_EvalFrameDefault+0x8dd8)[0x7f3f7d2c0f48]
/lib/x86_64-linux-gnu/libpython3.8.so.1.0(_PyEval_EvalCodeWithName+0x8fb)[0x7f3f7d40de3b]
/lib/x86_64-linux-gnu/libpython3.8.so.1.0(_PyFunction_Vectorcall+0x94)[0x7f3f7d4eb114]
/lib/x86_64-linux-gnu/libpython3.8.so.1.0(+0x74d6d)[0x7f3f7d2b7d6d]
/lib/x86_64-linux-gnu/libpython3.8.so.1.0(_PyEval_EvalFrameDefault+0x7d86)[0x7f3f7d2bfef6]
/lib/x86_64-linux-gnu/libpython3.8.so.1.0(+0x8006b)[0x7f3f7d2c306b]
/lib/x86_64-linux-gnu/libpython3.8.so.1.0(+0x74d6d)[0x7f3f7d2b7d6d]
/lib/x86_64-linux-gnu/libpython3.8.so.1.0(_PyEval_EvalFrameDefault+0x12fd)[0x7f3f7d2b946d]
/lib/x86_64-linux-gnu/libpython3.8.so.1.0(_PyEval_EvalCodeWithName+0x8fb)[0x7f3f7d40de3b]
/lib/x86_64-linux-gnu/libpython3.8.so.1.0(_PyFunction_Vectorcall+0x94)[0x7f3f7d4eb114]
--- END LIBC BACKTRACE ---
Aborted

On Wed, Aug 11, 2021 at 12:41 AM Gabe Black via gem5-users <
gem5-users@gem5.org> wrote:

> Please give this a try:
>
> https://gem5-review.googlesource.com/c/public/gem5/+/49183
>
> On Tue, Aug 10, 2021 at 9:37 PM Deric Cheung via gem5-users <
> gem5-users@gem5.org> wrote:
>
>> Host OS: Ubuntu 12.04 LTS
>> Host CPU: Intel i7-2600 3.40 GHz
>>
>> I'm trying to debug an x86 

[gem5-users] Re: static_inst.cc panic or assertion error when debugging execution of an x86 O3CPU

2021-08-11 Thread Gabe Black via gem5-users
Please give this a try:

https://gem5-review.googlesource.com/c/public/gem5/+/49183

On Tue, Aug 10, 2021 at 9:37 PM Deric Cheung via gem5-users <
gem5-users@gem5.org> wrote:

> Host OS: Ubuntu 12.04 LTS
> Host CPU: Intel i7-2600 3.40 GHz
>
> I'm trying to debug an x86 application on an O3CPU using syscall
> emulation, but static_inst.cc panics or runs into an assertion error. Ideas
> for how I can debug or solve this issue?
>
> Example command 1 (causing panic): build/X86/gem5.opt --debug-flags=Exec
> --debug-file=debug.txt configs/example/se.py --cpu-type=O3CPU --caches -c
> tests/test-progs/hello/bin/x86/linux/hello
>
> Terminal output:
>
>> $build/X86/gem5.opt --debug-flags=Exec --debug-file=debug.txt
>>> configs/example/se.py --cpu-type=O3CPU --caches -c
>>> tests/test-progs/hello/bin/x86/linux/hello
>>
>> gem5 Simulator System.  http://gem5.org
>>
>> gem5 is copyrighted software; use the --copyright option for details.
>>
>>
>>> gem5 version 21.1.0.0
>>
>> gem5 compiled Aug 10 2021 19:50:47
>>
>> gem5 started Aug 10 2021 22:07:52
>>
>> gem5 executing on uc12, pid 1240379
>>
>> command line: build/X86/gem5.opt --debug-flags=Exec
>>> --debug-file=debug.txt configs/example/se.py --cpu-type=O3CPU --caches -c
>>> tests/test-progs/hello/bin/x86/linux/hello
>>
>>
>>> warn: membus.slave is deprecated. `slave` is now called `cpu_side_ports`
>>
>> warn: membus.slave is deprecated. `slave` is now called `cpu_side_ports`
>>
>> warn: membus.slave is deprecated. `slave` is now called `cpu_side_ports`
>>
>> warn: membus.slave is deprecated. `slave` is now called `cpu_side_ports`
>>
>> warn: membus.slave is deprecated. `slave` is now called `cpu_side_ports`
>>
>> warn: membus.master is deprecated. `master` is now called `mem_side_ports`
>>
>> warn: membus.master is deprecated. `master` is now called `mem_side_ports`
>>
>> warn: membus.slave is deprecated. `slave` is now called `cpu_side_ports`
>>
>> Global frequency set at 1 ticks per second
>>
>> warn: No dot file generated. Please install pydot to generate the dot
>>> file and pdf.
>>
>> build/X86/mem/mem_interface.cc:791: warn: DRAM device capacity (8192
>>> Mbytes) does not match the address range assigned (512 Mbytes)
>>
>> 0: system.remote_gdb: listening for remote gdb on port 7000
>>
>>  REAL SIMULATION 
>>
>> build/X86/sim/simulate.cc:107: info: Entering event queue @ 0.  Starting
>>> simulation...
>>
>> build/X86/arch/x86/insts/static_inst.cc:252: panic: Unrecognized register
>>> class.
>>
>> Memory Usage: 630156 KBytes
>>
>> Program aborted at tick 1281000
>>
>> --- BEGIN LIBC BACKTRACE ---
>>
>> build/X86/gem5.opt(+0x10743b0)[0x5647381dc3b0]
>>
>> build/X86/gem5.opt(+0x10939ae)[0x5647381fb9ae]
>>
>> /lib/x86_64-linux-gnu/libpthread.so.0(+0x153c0)[0x7fa5889d33c0]
>>
>> /lib/x86_64-linux-gnu/libc.so.6(gsignal+0xcb)[0x7fa587f7618b]
>>
>> /lib/x86_64-linux-gnu/libc.so.6(abort+0x12b)[0x7fa587f55859]
>>
>> build/X86/gem5.opt(+0x30e015)[0x564737476015]
>>
>> build/X86/gem5.opt(+0x7a6964)[0x56473790e964]
>>
>> build/X86/gem5.opt(+0x85464b)[0x5647379bc64b]
>>
>> build/X86/gem5.opt(+0xe9146d)[0x564737ff946d]
>>
>> build/X86/gem5.opt(+0xe838c9)[0x564737feb8c9]
>>
>> build/X86/gem5.opt(+0xfa9fcd)[0x564738111fcd]
>>
>> build/X86/gem5.opt(+0xfaadc1)[0x564738112dc1]
>>
>> build/X86/gem5.opt(+0xfac6c0)[0x5647381146c0]
>>
>> build/X86/gem5.opt(+0xfaca78)[0x564738114a78]
>>
>> build/X86/gem5.opt(+0xfbd4d9)[0x5647381254d9]
>>
>> build/X86/gem5.opt(+0x1081666)[0x5647381e9666]
>>
>> build/X86/gem5.opt(+0x10af3a4)[0x5647382173a4]
>>
>> build/X86/gem5.opt(+0x10afbf2)[0x564738217bf2]
>>
>> build/X86/gem5.opt(+0xc7d362)[0x564737de5362]
>>
>> build/X86/gem5.opt(+0x680583)[0x5647377e8583]
>>
>> /lib/x86_64-linux-gnu/libpython3.8.so.1.0(+0x2a8738)[0x7fa588c89738]
>>
>>
>>> /lib/x86_64-linux-gnu/libpython3.8.so.1.0(_PyEval_EvalFrameDefault+0x8dd8)[0x7fa588a5ef48]
>>
>>
>>> /lib/x86_64-linux-gnu/libpython3.8.so.1.0(_PyEval_EvalCodeWithName+0x8fb)[0x7fa588babe3b]
>>
>>
>>> /lib/x86_64-linux-gnu/libpython3.8.so.1.0(_PyFunction_Vectorcall+0x94)[0x7fa588c89114]
>>
>> /lib/x86_64-linux-gnu/libpython3.8.so.1.0(+0x74d6d)[0x7fa588a55d6d]
>>
>>
>>> /lib/x86_64-linux-gnu/libpython3.8.so.1.0(_PyEval_EvalFrameDefault+0x7d86)[0x7fa588a5def6]
>>
>> /lib/x86_64-linux-gnu/libpython3.8.so.1.0(+0x8006b)[0x7fa588a6106b]
>>
>> /lib/x86_64-linux-gnu/libpython3.8.so.1.0(+0x74d6d)[0x7fa588a55d6d]
>>
>>
>>> /lib/x86_64-linux-gnu/libpython3.8.so.1.0(_PyEval_EvalFrameDefault+0x12fd)[0x7fa588a5746d]
>>
>>
>>> /lib/x86_64-linux-gnu/libpython3.8.so.1.0(_PyEval_EvalCodeWithName+0x8fb)[0x7fa588babe3b]
>>
>>
>>> /lib/x86_64-linux-gnu/libpython3.8.so.1.0(_PyFunction_Vectorcall+0x94)[0x7fa588c89114]
>>
>> /lib/x86_64-linux-gnu/libpython3.8.so.1.0(+0x74d6d)[0x7fa588a55d6d]
>>
>> --- END LIBC BACKTRACE ---
>>
>> Aborted
>>
>>
> Example command 2 (causing assertion error): build/X86/gem5.opt
> --debug-flags=Exec --debug-file=debug.txt --debug-start=1000
> configs/example/se.py --cpu-type=O3CPU