- 
    Bug 
- 
    Resolution: Duplicate
- 
     P4 P4
- 
    openjdk8u392
- 
        x86_64
- 
        linux_ubuntu
                    ADDITIONAL SYSTEM INFORMATION :
# JRE version: OpenJDK Runtime Environment (8.0_392) (build 1.8.0_392-internal-fastdebug-b00)
# Java VM: OpenJDK 64-Bit Server VM (25.392-b00-fastdebug mixed mode linux-amd64 compressed oops)
# Failed to write core dump. Core dumps have been disabled. To enable core dumping, try "ulimit -c unlimited" before starting Java again
#
A DESCRIPTION OF THE PROBLEM :
I ran a testcase using JDK8u392, I found the JVM crashed under the option -XX:DominatorSearchLimit=0
# A fatal error has been detected by the Java Runtime Environment:
#
# Internal Error (/data/xzf/jdk8u/hotspot/src/share/vm/opto/lcm.cpp:967), pid=15043, tid=0x00007f8a37060700
# assert(false) failed: graph should be schedulable
#
# JRE version: OpenJDK Runtime Environment (8.0_392) (build 1.8.0_392-internal-fastdebug-b00)
# Java VM: OpenJDK 64-Bit Server VM (25.392-b00-fastdebug mixed mode linux-amd64 compressed oops)
# Failed to write core dump. Core dumps have been disabled. To enable core dumping, try "ulimit -c unlimited" before starting Java again
#
# If you would like to submit a bug report, please visit:
# http://bugreport.java.com/bugreport/crash.jsp
STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
java -XX:DominatorSearchLimit=0 compiler.controldependency.TestAntiDependentMembar
ACTUAL -
# To suppress the following error report, specify this argument
# after -XX: or in .hotspotrc: SuppressErrorAt=/lcm.cpp:967
#
# A fatal error has been detected by the Java Runtime Environment:
#
# Internal Error (/data/jdk8u/hotspot/src/share/vm/opto/lcm.cpp:967), pid=15043, tid=0x00007f8a37060700
# assert(false) failed: graph should be schedulable
#
# JRE version: OpenJDK Runtime Environment (8.0_392) (build 1.8.0_392-internal-fastdebug-b00)
# Java VM: OpenJDK 64-Bit Server VM (25.392-b00-fastdebug mixed mode linux-amd64 compressed oops)
# 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/repository//toreport/TestAntiDependentMembar_09_24_00_05_09/hs_err_pid15043.log
[thread 140231603250944 also had an error]
[thread 140231604303616 also had an error]
#
# Compiler replay data is saved as:
# /home/repository/toreport/TestAntiDependentMembar_09_24_00_05_09/replay_pid15043.log
#
# If you would like to submit a bug report, please visit:
# http://bugreport.java.com/bugreport/crash.jsp
#
Current thread is 140231605356288
Dumping core ...
---------- BEGIN SOURCE ----------
---------- END SOURCE ----------
FREQUENCY : always
            
# JRE version: OpenJDK Runtime Environment (8.0_392) (build 1.8.0_392-internal-fastdebug-b00)
# Java VM: OpenJDK 64-Bit Server VM (25.392-b00-fastdebug mixed mode linux-amd64 compressed oops)
# Failed to write core dump. Core dumps have been disabled. To enable core dumping, try "ulimit -c unlimited" before starting Java again
#
A DESCRIPTION OF THE PROBLEM :
I ran a testcase using JDK8u392, I found the JVM crashed under the option -XX:DominatorSearchLimit=0
# A fatal error has been detected by the Java Runtime Environment:
#
# Internal Error (/data/xzf/jdk8u/hotspot/src/share/vm/opto/lcm.cpp:967), pid=15043, tid=0x00007f8a37060700
# assert(false) failed: graph should be schedulable
#
# JRE version: OpenJDK Runtime Environment (8.0_392) (build 1.8.0_392-internal-fastdebug-b00)
# Java VM: OpenJDK 64-Bit Server VM (25.392-b00-fastdebug mixed mode linux-amd64 compressed oops)
# Failed to write core dump. Core dumps have been disabled. To enable core dumping, try "ulimit -c unlimited" before starting Java again
#
# If you would like to submit a bug report, please visit:
# http://bugreport.java.com/bugreport/crash.jsp
STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
java -XX:DominatorSearchLimit=0 compiler.controldependency.TestAntiDependentMembar
ACTUAL -
# To suppress the following error report, specify this argument
# after -XX: or in .hotspotrc: SuppressErrorAt=/lcm.cpp:967
#
# A fatal error has been detected by the Java Runtime Environment:
#
# Internal Error (/data/jdk8u/hotspot/src/share/vm/opto/lcm.cpp:967), pid=15043, tid=0x00007f8a37060700
# assert(false) failed: graph should be schedulable
#
# JRE version: OpenJDK Runtime Environment (8.0_392) (build 1.8.0_392-internal-fastdebug-b00)
# Java VM: OpenJDK 64-Bit Server VM (25.392-b00-fastdebug mixed mode linux-amd64 compressed oops)
# 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/repository//toreport/TestAntiDependentMembar_09_24_00_05_09/hs_err_pid15043.log
[thread 140231603250944 also had an error]
[thread 140231604303616 also had an error]
#
# Compiler replay data is saved as:
# /home/repository/toreport/TestAntiDependentMembar_09_24_00_05_09/replay_pid15043.log
#
# If you would like to submit a bug report, please visit:
# http://bugreport.java.com/bugreport/crash.jsp
#
Current thread is 140231605356288
Dumping core ...
---------- BEGIN SOURCE ----------
---------- END SOURCE ----------
FREQUENCY : always
- duplicates
- 
                    JDK-8228772 C2 compilation fails due to unschedulable graph if DominatorSearchLimit is reached -           
- Resolved
 
-