[SYSTEMDS-3007] Random data generation of large blocks runs into segmentation faults

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Won't Fix
• Fix Version/s: SystemDS 2.1
• Assignee: Unassigned
• Reporter: Matthias Boehm
• Created: 03/Jun/21 13:37
• Updated: 05/Jun/21 14:23
• Resolved: 05/Jun/21 14:23

Description

When ran with multi-threaded operations, the following random data generation causes segmentation faults. With single-threaded operations everything works fine.

X = rand(rows=3e6, cols=1e3);

#
# A fatal error has been detected by the Java Runtime Environment:
#
#  SIGSEGV (0xb) at pc=0x00007f5b472c9d86, pid=21298, tid=0x00007eab1dddd700
#
# JRE version: OpenJDK Runtime Environment (8.0_282-b08) (build 1.8.0_282-8u282-b08-0ubuntu1~20.04-b08)
# Java VM: OpenJDK 64-Bit Server VM (25.282-b08 mixed mode linux-amd64 )
# Problematic frame:
# V  [libjvm.so+0x933d86]
#
# Failed to write core dump. Core dumps have been disabled. To enable core dumping, try "ulimit -c unlimited" before starting Java again
#
# An error report file with more information is saved as:
# /home/mboehm/mv/hs_err_pid21298.log
#
# If you would like to submit a bug report, please visit:
#   http://bugreport.java.com/bugreport/crash.jsp
#