[Bug 1945540] [NEW] Java crashes on s390x VM with SIGILL/ILL_PRVOPC at '__kernel_getcpu+0x8'

[John Neffenger]

Public bug reported:

Host environment

- Operating system: Ubuntu 20.04.3 LTS Desktop
- OS/kernel version: Linux tower 5.11.0-37-generic #41~20.04.2-Ubuntu
    SMP Fri Sep 24 09:06:38 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
- Architecture: amd64
- QEMU flavor: qemu-system-s390x
- QEMU version: QEMU emulator version 4.2.1 (Debian 1:4.2-3ubuntu6.17)
- QEMU command line: See attached file 'command-line.txt'

Emulated/Virtualized environment

- Operating system: Ubuntu 20.04.3 LTS Server
- OS/kernel version: Linux s390x-focal 5.4.0-88-generic #99-Ubuntu
    SMP Thu Sep 23 17:27:44 UTC 2021 s390x s390x s390x GNU/Linux
- Architecture: s390x

Description of problem

Java crashes as shown below:

$ java --version
#
# A fatal error has been detected by the Java Runtime Environment:
#
#  SIGILL (0x4) at pc=0x000003ff9f5fe6f4, pid=6789, tid=6818
#
# JRE version:  (17.0+35) (build )
# Java VM: OpenJDK 64-Bit Server VM (17+35-snap, mixed mode, sharing,
# tiered, compressed oops, compressed class ptrs, g1 gc, linux-s390x)
# Problematic frame:
# C  [linux-vdso64.so.1+0x6f8]  __kernel_getcpu+0x8
#
# Core dump will be written. Default location: core.6789 (may not
# exist)
#
# An error report file with more information is saved as:
# /home/ubuntu/src/hs_err_pid6789.log
#
#
Aborted (core dumped)

Steps to reproduce

Run any Java program to reproduce the problem.

Because the 'openjdk' packages in Ubuntu run the 'java' command during
installation, they hit the same error and fail to install. As an
alternative, you can install the OpenJDK Snap package for the 's390x'
architecture as follows:

  $ sudo snap install openjdk

The OpenJDK Snap package has been tested to work on a real IBM/S390 8561
system, namely the IBM LinuxONE III LT1 at Marist College:

  Marist College Installs World’s First IBM LinuxONE III™
  https://www.marist.edu/-/marist-first-linuxone-iii

Additional information

See the following attached files:

command-line.txt - the command-line used to start the virtual machine
hs_err_pid6789.log - the log file resulting from 'java --version'

** Affects: qemu
     Importance: Undecided
         Status: New

** Attachment added: "the command-line used to start the virtual machine"
   
https://bugs.launchpad.net/bugs/1945540/+attachment/5529210/+files/command-line.txt

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https://bugs.launchpad.net/bugs/1945540

Title:
  Java crashes on s390x VM with SIGILL/ILL_PRVOPC at
  '__kernel_getcpu+0x8'

Status in QEMU:
  New

Bug description:
  Host environment

  - Operating system: Ubuntu 20.04.3 LTS Desktop
  - OS/kernel version: Linux tower 5.11.0-37-generic #41~20.04.2-Ubuntu
      SMP Fri Sep 24 09:06:38 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
  - Architecture: amd64
  - QEMU flavor: qemu-system-s390x
  - QEMU version: QEMU emulator version 4.2.1 (Debian 1:4.2-3ubuntu6.17)
  - QEMU command line: See attached file 'command-line.txt'

  Emulated/Virtualized environment

  - Operating system: Ubuntu 20.04.3 LTS Server
  - OS/kernel version: Linux s390x-focal 5.4.0-88-generic #99-Ubuntu
      SMP Thu Sep 23 17:27:44 UTC 2021 s390x s390x s390x GNU/Linux
  - Architecture: s390x

  Description of problem

  Java crashes as shown below:

  $ java --version
  #
  # A fatal error has been detected by the Java Runtime Environment:
  #
  #  SIGILL (0x4) at pc=0x000003ff9f5fe6f4, pid=6789, tid=6818
  #
  # JRE version:  (17.0+35) (build )
  # Java VM: OpenJDK 64-Bit Server VM (17+35-snap, mixed mode, sharing,
  # tiered, compressed oops, compressed class ptrs, g1 gc, linux-s390x)
  # Problematic frame:
  # C  [linux-vdso64.so.1+0x6f8]  __kernel_getcpu+0x8
  #
  # Core dump will be written. Default location: core.6789 (may not
  # exist)
  #
  # An error report file with more information is saved as:
  # /home/ubuntu/src/hs_err_pid6789.log
  #
  #
  Aborted (core dumped)

  Steps to reproduce

  Run any Java program to reproduce the problem.

  Because the 'openjdk' packages in Ubuntu run the 'java' command during
  installation, they hit the same error and fail to install. As an
  alternative, you can install the OpenJDK Snap package for the 's390x'
  architecture as follows:

    $ sudo snap install openjdk

  The OpenJDK Snap package has been tested to work on a real IBM/S390
  8561 system, namely the IBM LinuxONE III LT1 at Marist College:

    Marist College Installs World’s First IBM LinuxONE III™
    https://www.marist.edu/-/marist-first-linuxone-iii

  Additional information

  See the following attached files:

  command-line.txt - the command-line used to start the virtual machine
  hs_err_pid6789.log - the log file resulting from 'java --version'

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