[Bug 1914021] Re: qemu: uncaught target signal 4 (Illegal instruction) but gdb remote-debug exited normally

[Thomas Huth]

The QEMU project is currently moving its bug tracking to another system.
For this we need to know which bugs are still valid and which could be
closed already. Thus we are setting the bug state to "Incomplete" now.

If the bug has already been fixed in the latest upstream version of QEMU,
then please close this ticket as "Fix released".

If it is not fixed yet and you think that this bug report here is still
valid, then you have two options:

1) If you already have an account on gitlab.com, please open a new ticket
for this problem in our new tracker here:

    https://gitlab.com/qemu-project/qemu/-/issues

and then close this ticket here on Launchpad (or let it expire auto-
matically after 60 days). Please mention the URL of this bug ticket on
Launchpad in the new ticket on GitLab.

2) If you don't have an account on gitlab.com and don't intend to get
one, but still would like to keep this ticket opened, then please switch
the state back to "New" or "Confirmed" within the next 60 days (other-
wise it will get closed as "Expired"). We will then eventually migrate
the ticket automatically to the new system (but you won't be the reporter
of the bug in the new system and thus you won't get notified on changes
anymore).

Thank you and sorry for the inconvenience.


** Changed in: qemu
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1914021

Title:
  qemu: uncaught target signal 4 (Illegal instruction) but gdb remote-
  debug exited normally

Status in QEMU:
  Incomplete

Bug description:
  I'm getting Illegal instruction (core dumped) when running the
  attached a.out_err binary in qemu, but when using Gdb to remote-debug
  the program, it exited normally. will appreciate if you can help look
  into this qemu issue.

  readelf -h a.out_err
  ELF Header:
    Magic:   7f 45 4c 46 01 01 01 00 00 00 00 00 00 00 00 00
    Class:                             ELF32
    Data:                              2's complement, little endian
    Version:                           1 (current)
    OS/ABI:                            UNIX - System V
    ABI Version:                       0
    Type:                              EXEC (Executable file)
    Machine:                           ARM
    Version:                           0x1
    Entry point address:               0x8220
    Start of program headers:          52 (bytes into file)
    Start of section headers:          54228 (bytes into file)
    Flags:                             0x5000200, Version5 EABI, soft-float ABI
    Size of this header:               52 (bytes)
    Size of program headers:           32 (bytes)
    Number of program headers:         3
    Size of section headers:           40 (bytes)
    Number of section headers:         16
    Section header string table index: 15

  qemu-arm version 4.0.0

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