Mc Illegal instruction

Troubleshooting
1

Creating a bug report/issue

I have searched the existing open and closed issues

Required Information

  • DietPi version | cat /boot/dietpi/.version
  • Distro version | echo $G_DISTRO_NAME $G_RASPBIAN
  • Kernel version | uname --all
  • Architecture | dpkg --print-architecture
  • SBC model | echo $G_HW_MODEL_NAME or (EG: RPi3)
  • Power supply used | (EG: 5V 1A RAVpower)
  • SD card used | (EG: SanDisk ultra)

Additional Information (if applicable)

  • Software title | (EG: Nextcloud)
  • Was the software title installed freshly or updated/migrated?
  • Can this issue be replicated on a fresh installation of DietPi?
    ← If you sent a “dietpi-bugreport”, please paste the ID here →
  • Bug report ID | echo $G_HW_UUID

Steps to reproduce

  1. …mc fails
  2. …root@DietPi:~# mc
    Illegal instruction
    root@DietPi:~#

Expected behaviour

  • …

Actual behaviour

  • …mc fails with illegal instruction

Extra details

  • …G_DIETPI_VERSION_CORE=10
    G_DIETPI_VERSION_SUB=4
    G_DIETPI_VERSION_RC=2
    G_GITBRANCH=‘master’
    G_GITOWNER=‘MichaIng’

    trixie 0

    Linux DietPi 6.18.29+rpt-rpi-2712 #1 SMP PREEMPT Debian 1:6.18.29-1+rpt1 (2026-05-12) aarch64 GNU/Lin

    arm64

    RPi 5 Model B (aarch64)

    5.1V 5A

    MVMe

2

I reinstalled

apt reinstall libglib2.0-0t64:arm64

and that fixed the problem

3

Just for context: we are talking about midnight commander?

4

Yes it was Midnight Commander

5 
root@DietPi:~# gdb /usr/bin/mc
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Reading symbols from /usr/bin/mc...
(No debugging symbols found in /usr/bin/mc)
(gdb) run
Starting program: /usr/bin/mc 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/aarch64-linux-gnu/libthread_db.so.1".

Program received signal SIGILL, Illegal instruction.
0x00007ffff7948488 in g_get_prgname () from /lib/aarch64-linux-gnu/libglib-2.0.so.0
(gdb) bt
#0  0x00007ffff7948488 in g_get_prgname () from /lib/aarch64-linux-gnu/libglib-2.0.so.0
#1  0x00007ffff7910e38 in g_option_context_parse () from /lib/aarch64-linux-gnu/libglib-2.0.so.0
#2  0x000055555556fad4 in ?? ()
#3  0x000055555556e708 in ?? ()
#4  0x00007ffff76f225c in ?? () from /lib/aarch64-linux-gnu/libc.so.6
#5  0x00007ffff76f233c in __libc_start_main () from /lib/aarch64-linux-gnu/libc.so.6
#6  0x000055555556eef0 in ?? ()
(gdb)