Here is the complete Exec trace as well, running it with
--debug-flags=Exec:
https://gist.github.com/Icohedron/4d1fef84b4266a5945cb707ab990bde4
On Sun, Aug 15, 2021 at 10:48 PM Deric Cheung <dache...@ualberta.ca> wrote:
> I wrote a small program to test pthreads using the m5threads library on an
> ARM O3CPU using syscall emulation. However, when running the program, an
> assertion error is encountered which prevents it from executing.
>
> Source code of the program (threads.c):
> ```c
> #include <stdio.h>
> #include <pthread.h>
>
> void *doWork(void *arg) {
> printf("do work\n");
> }
>
> int main(int argc, char **argv) {
> pthread_t thread;
> int error = pthread_create(&thread, NULL, doWork, NULL);
> if (error == 0) {
> pthread_join(thread, NULL);
> } else {
> printf("pthread_create error %d\n",error);
> }
> return 0;
> }
> ```
>
>
> Makefile used to compile it
> ```Makefile
> CCLOC= /arm-gem5-linux-gnueabi/bin/
> CC = $(CCLOC)arm-gem5-linux-gnueabi-gcc
> CPP = $(CCLOC)arm-gem5-linux-gnueabi-g++
> OPTS = -g -O3 -march=armv7-a -marm
>
> all: threads.arm
>
> threads.arm: threads.o pthread.o
> $(CPP) $(OPTS) -static -o threads.arm threads.o pthread.o
>
> clean:
> -rm *.o *.arm
>
> threads.o: threads.c
> $(CC) $(OPTS) -std=gnu99 -c threads.c
>
> pthread.o:
> $(CC) $(OPTS) -c m5threads/pthread.c -o pthread.o
> ```
>
>
> Command and output:
> ```
> $build/ARM/gem5.opt configs/example/se.py --num-cpus 2 --cpu-type O3CPU
> --caches -c thread-test/threads.arm build/ARM/base/statistics.hh:277: warn:
> One of the stats is a legacy stat. Legacy stat is a stat that does not
> belong to any statistics::Group. Legacy stat is deprecated.
> 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 12 2021 21:55:38
> gem5 started Aug 15 2021 22:39:29
> gem5 executing on uc14, pid 2265762
> command line: build/ARM/gem5.opt configs/example/se.py --num-cpus 2
> --cpu-type O3CPU --caches -c thread-test/threads.arm
>
> 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.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`
> Global frequency set at 1000000000000 ticks per second
> warn: No dot file generated. Please install pydot to generate the dot file
> and pdf.
> build/ARM/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/ARM/sim/simulate.cc:107: info: Entering event queue @ 0. Starting
> simulation...
> build/ARM/arch/arm/regs/misc.cc:334: warn: CP14 unimplemented crn[14],
> opc1[7], crm[15], opc2[7]
> build/ARM/sim/power_state.cc:105: warn: PowerState: Already in the
> requested power state, request ignored
> build/ARM/arch/arm/isa.hh:658: warn: User mode does not have SPSR
> build/ARM/arch/arm/isa.hh:658: warn: User mode does not have SPSR
> gem5.opt: build/ARM/cpu/o3/rename_map.hh:280: gem5::PhysRegId*
> gem5::o3::UnifiedRenameMap::lookup(const gem5::RegId&) const: Assertion
> `vecMode == enums::Elem' failed.
> Program aborted at tick 10204500
> --- BEGIN LIBC BACKTRACE ---
> build/ARM/gem5.opt(+0x55ef70)[0x55b186d5ef70]
> build/ARM/gem5.opt(+0x59807e)[0x55b186d9807e]
> /lib/x86_64-linux-gnu/libpthread.so.0(+0x153c0)[0x7fcba3b9a3c0]
> /lib/x86_64-linux-gnu/libc.so.6(gsignal+0xcb)[0x7fcba313d18b]
> /lib/x86_64-linux-gnu/libc.so.6(abort+0x12b)[0x7fcba311c859]
> /lib/x86_64-linux-gnu/libc.so.6(+0x25729)[0x7fcba311c729]
> /lib/x86_64-linux-gnu/libc.so.6(+0x36f36)[0x7fcba312df36]
> build/ARM/gem5.opt(+0x80cc71)[0x55b18700cc71]
> build/ARM/gem5.opt(+0x7fcf5a)[0x55b186ffcf5a]
> build/ARM/gem5.opt(+0x8a82eb)[0x55b1870a82eb]
> build/ARM/gem5.opt(+0xbd4c98)[0x55b1873d4c98]
> build/ARM/gem5.opt(+0xc23f92)[0x55b187423f92]
> build/ARM/gem5.opt(+0xc2442a)[0x55b18742442a]
> build/ARM/gem5.opt(+0xbe9a84)[0x55b1873e9a84]
> build/ARM/gem5.opt(+0xbecd7c)[0x55b1873ecd7c]
> build/ARM/gem5.opt(+0xc30f9d)[0x55b187430f9d]
> build/ARM/gem5.opt(+0xc3115f)[0x55b18743115f]
> build/ARM/gem5.opt(+0x6415d7)[0x55b186e415d7]
> build/ARM/gem5.opt(+0xbe7956)[0x55b1873e7956]
> build/ARM/gem5.opt(+0xb4cef4)[0x55b18734cef4]
> build/ARM/gem5.opt(+0x7f031b)[0x55b186ff031b]
> build/ARM/gem5.opt(+0x7f144e)[0x55b186ff144e]
> build/ARM/gem5.opt(+0x7f2cd0)[0x55b186ff2cd0]
> build/ARM/gem5.opt(+0x7f3998)[0x55b186ff3998]
> build/ARM/gem5.opt(+0x8048d9)[0x55b1870048d9]
> build/ARM/gem5.opt(+0x573fc6)[0x55b186d73fc6]
> build/ARM/gem5.opt(+0x5c4304)[0x55b186dc4304]
> build/ARM/gem5.opt(+0x5c4b52)[0x55b186dc4b52]
> build/ARM/gem5.opt(+0x1ae0d02)[0x55b1882e0d02]
> build/ARM/gem5.opt(+0x594461)[0x55b186d94461]
> /lib/x86_64-linux-gnu/libpython3.8.so.1.0(+0x2a8738)[0x7fcba3e50738]
>
> /lib/x86_64-linux-gnu/libpython3.8.so.1.0(_PyEval_EvalFrameDefault+0x8dd8)[0x7fcba3c25f48]
> --- END LIBC BACKTRACE ---
> Aborted
> ```
>
> Backtrace of the assertion error:
> https://gist.github.com/Icohedron/3ef39945445095a2f034b0290311071d
>
> Operating System: Ubuntu 20.04.2 LTS
>
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