Questions tagged [illegal-instruction]
58 questions
2
votes
1 answer
Program SGILL's when linking OpenCV
I know this question is similar to may other ones but none of them seem to solve my problem.
Symptoms
Trivially build and run gdb_test with gdb.
Program SIGILL's:
~/projects/gdb_test/build> gdb gdb_test
GNU gdb (GDB; openSUSE…
Adão Belopel
- 23
- 3
2
votes
4 answers
Qbasic : illegal file number in *line number*
I'm writing a program in GW-BASIC. For some reasons, I have the following error :
"Numéro de fichier illégal en 4712"
which can be translated in english by,
" illegal file number in 4712"
Here is a part of my code :
51 Chemin$ =…
manny-
- 129
- 2
- 10
2
votes
1 answer
Illegal instruction: 4 on MacOS High Sierra
I am trying to make a chat-looking window in pygame 3.6, I just updated my MacBook to version 10.13.6, before I did this it worked perfectly but after I get the message: Illegal instruction: 4.
Code
import pygame
from pygame.locals import…
Luc Angevare
- 25
- 4
- 17
2
votes
1 answer
System claims AVX2 is supported, but broadcasts of integer registers are unimplemented
cat /proc/cpuinfo reports that the avx2 flag is set.
However, the AVX2 instruction vpbroadcastb causes an illegal instruction exception when ran.
I am using x86_64 Linux and nasm as my assembler. On my system, reproducing this is as simple…
moonheart08
- 115
- 1
- 9
2
votes
1 answer
Illegal hardware instruction when trying to import tensorflow
I just installed tensorflow using the instructions for the virtualenv method. The installation process went smoothly, so I don't think there was any problem there. After installation I proceeded to try and import it to validate that everything is…
inblank
- 396
- 1
- 8
- 26
2
votes
2 answers
Simplest way to get an illegal instruction exception
I am trying to create a program which generates an illegal instruction exception for demonstration purposes.
There seems to be a simple solution to my problem:
cmpxchgl %edx, %ecx
But rather than giving me an exception at runtime, the compiler…
Thomas Weller
- 55,411
- 20
- 125
- 222
1
vote
0 answers
Illegal instruction while unwinding stack on cross-compiled ARMv7 application
When trying to terminate (SIGINT) our cross-compiled application running on a dual ARM Cortex-A9, we segfault on an illegal instruction in the stack unwinding.
In file ../libgcc/config/arm/unwind-arm.c:
/* ABI defined function to pop registers off…
Lasse A Karlsen
- 801
- 5
- 14
- 23
1
vote
0 answers
Illegal Instruction Debugging (RISC-V core)
I am testing a program on a RISC-V core in baremetal. I am using no FPGA but running it in QuestaSim (RTL simulation).
The program consists of the main launching a function.
The problem is that when the function is supposed to return to main, an…
gb95
- 11
- 2
1
vote
1 answer
What happens to a program that contains certain instructions that are not supported by the cpu in question?
Say for example in the case of x86-64 you have a program that makes use of avx-512 instructions or any other special purpose instruction, and the cpu in question does not support the instruction at the low level such as a haswell based cpu, how does…
Deank
- 13
- 2
1
vote
0 answers
Tool to check illegal instruction in an executable in Linux
I have an application written in C/C++ and compiled with gcc/g++ with option -march=... in order to run on specific machine hardware.
After compiling, i copy that executable to the destination machine.
However, to make sure that it will run fine on…
khanhnd
- 31
- 6
1
vote
1 answer
Illegal instruction 4 when placing a function outside int main
I've just begun learning the C language and I ran into an issue with one of my programs.
I am getting an error: "Illegal instruction 4" when executing: ./dictionary large.txt
Large.txt is a file with 143091 alphabetically sorted words, with each…
KLM54W
- 11
- 2
1
vote
1 answer
Understand and troubleshoot SIGILL
I have built a copy of rocksdb for erlang (gitlab.com/Vagabond1/erlang-rocksdb@8708fe8) for a armv7 based target. It's a iMX6 SoloX processor, here's the cpuinfo:
processor : 0
model name : ARMv7 Processor rev 10 (v7l)
BogoMIPS :…
Benoit Duffez
- 11,839
- 12
- 77
- 125
1
vote
1 answer
Why do I get "Illegal Instruction" error when Building on windows10 and running on Windows7
I have a c++ program built using VS2017 on windows7.
When I run it on Windows7 or windows10 there is no problem.
If I Build the same program on Windows10 (still using VS2017) the program runs OK on Windows10 but when I try to run it on Windows7 I…
gerstla
- 587
- 1
- 5
- 20
1
vote
1 answer
why lambda crash on clang but not gcc?
this program crash with clang
#include
#include
#include
#include
int main(int argc, char **argv)
{
auto m = std::function( [](){
int r = std::rand() % 100;
if (r < 50)
…
Arnold
- 23
- 3
1
vote
2 answers
write a byte at address in .data segment in RISC-V assembly
I am writing a RISC-V assembly program that need to store a word (saved into a register) into a .data segment:
.section .rodata
msg:
.string "Hello World\n"
.section .data
num:
.word 97
.section .text
.global _start
_start:
li a1,…
Gianluca Brilli
- 69
- 1
- 6