JDK-6959816 : G1: Bigapps fail with SIGSEGV in GCTaskThread
  • Type: Bug
  • Component: hotspot
  • Sub-Component: gc
  • Affected Version: 6u20-rev
  • Priority: P3
  • Status: Closed
  • Resolution: Won't Fix
  • OS: solaris_1
  • CPU: x86
  • Submitted: 2010-06-09
  • Updated: 2013-09-18
  • Resolved: 2010-07-12
Related Reports
Relates :  
When running bigapps application with -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC the application crashes after several hours of running.

# A fatal error has been detected by the Java Runtime Environment:
#  SIGSEGV (0xb) at pc=0xcdfa7cbe, pid=9142, tid=4
# JRE version: 6.0_20-b06
# Java VM: Java HotSpot(TM) Server VM (16.3-b04 mixed mode solaris-x86 )
# Problematic frame:
# V  [libjvm.so+0x3a7cbe]
# If you would like to submit a bug report, please visit:
#   http://java.sun.com/webapps/bugreport/crash.jsp

---------------  T H R E A D  ---------------

Current thread (0x08079800):  GCTaskThread [stack: 0x00000000,0x00000000] [id=4]

siginfo:si_signo=SIGSEGV: si_errno=0, si_code=1 (SEGV_MAPERR), si_addr=0x00000058

EAX=0x00000000, EBX=0x00000000, ECX=0x006f0074, EDX=0x006f006c
ESP=0xcd8e8334, EBP=0xcd8e8384, ESI=0xa3fcbcc8, EDI=0xcd8ec9fc
EIP=0xcdfa7cbe, EFLAGS=0x00010246

The test can fail in and around 2 hours to 29 hours. But it is constanly reproducable.

EVALUATION Experimental feature, problem is not in 6u21.