P4
ADDITIONAL SYSTEM INFORMATION :
# JRE version: OpenJDK Runtime Environment (22.0) (fastdebug build 22-internal-adhoc.jdk22u)
# Java VM: OpenJDK 64-Bit Server VM (fastdebug 22-internal-adhoc.jdk22u, compiled mode, compressed oops, compressed class ptrs, g1 gc, linux-amd64)
# Problematic frame:
# J 24 c2 compiler.loopstripmining.CheckLoopStripMining$Test1.test_loop(I)I (31 bytes) @ 0x00007fbd9918803e [0x00007fbd99187fa0+0x000000000000009e]
A DESCRIPTION OF THE PROBLEM :
I ran a modified regression case and I found the JVM crashes.
# A fatal error has been detected by the Java Runtime Environment:
#
# SIGILL (0x4) at pc=0x00007fbd9918803e (sent by kill), pid=65521, tid=65540
#
# JRE version: OpenJDK Runtime Environment (22.0) (fastdebug build 22-internal-adhoc.jdk22u)
# Java VM: OpenJDK 64-Bit Server VM (fastdebug 22-internal-adhoc.jdk22u, compiled mode, compressed oops, compressed class ptrs, g1 gc, linux-amd64)
# Problematic frame:
# J 24 c2 compiler.loopstripmining.CheckLoopStripMining$Test1.test_loop(I)I (31 bytes) @ 0x00007fbd9918803e [0x00007fbd99187fa0+0x000000000000009e]
#
# Core dump will be written. Default location: Core dumps may be processed with "/usr/share/apport/apport -p%p -s%s -c%c -d%d -P%P -u%u -g%g -- %E" (or dumping to /home/repository/bugs/CheckLoopStripMining_09_15_17_28_42/core.65521)
#
# If you would like to submit a bug report, please visit:
# https://bugreport.java.com/bugreport/crash.jsp
#
STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
java compiler.loopstripmining.CheckLoopStripMining
ACTUAL -
Command line: [/home/repository/jdk22u/build/linux-x86_64-server-fastdebug/jdk/bin/java -cp 30/:0/ -XX:+UnlockDiagnosticVMOptions -XX:+SafepointTimeout -XX:+SafepointALot -XX:+AbortVMOnSafepointTimeout -XX:SafepointTimeoutDelay=30 -XX:GuaranteedSafepointInterval=30 -XX:-TieredCompilation -XX:+UseCountedLoopSafepoints -XX:LoopStripMiningIter=1000 -XX:LoopUnrollLimit=0 -XX:CompileCommand=compileonly,compiler.loopstripmining.CheckLoopStripMining$Test1::test_loop -Xcomp compiler.loopstripmining.CheckLoopStripMining$Test1 ]
[2023-09-17T14:16:31.200480919Z] Gathering output for process 7078
[2023-09-17T14:16:32.893375529Z] Waiting for completion for process 7078
[2023-09-17T14:16:32.906957965Z] Waiting for completion finished for process 7078
Output and diagnostic info for process 7078 was saved into 'pid-7078-output.log'
[2023-09-17T14:16:32.938830557Z] Waiting for completion for process 7078
[2023-09-17T14:16:32.939065525Z] Waiting for completion finished for process 7078
[2023-09-17T14:16:32.939293217Z] Waiting for completion for process 7078
[2023-09-17T14:16:32.943128190Z] Waiting for completion finished for process 7078
stdout: [CompileCommand: compileonly compiler/loopstripmining/CheckLoopStripMining$Test1.test_loop bool compileonly = true
[0.939s][warning][safepoint]
[0.939s][warning][safepoint] # SafepointSynchronize::begin: Timeout detected:
[0.939s][warning][safepoint] # SafepointSynchronize::begin: Timed out while spinning to reach a safepoint.
[0.939s][warning][safepoint] # SafepointSynchronize::begin: Threads which did not reach the safepoint:
[0.939s][warning][safepoint] # "main" #1 [7090] prio=5 os_prio=0 cpu=527.60ms elapsed=0.92s tid=0x00007f1cb402bef0 nid=7090 runnable [0x0000000000000000]
[0.939s][warning][safepoint] java.lang.Thread.State: RUNNABLE
[0.939s][warning][safepoint] Thread: 0x00007f1cb402bef0 [0x1bb2] State: _running _at_poll_safepoint 0
[0.939s][warning][safepoint] JavaThread state: _thread_in_vm
[0.939s][warning][safepoint]
[0.939s][warning][safepoint] # SafepointSynchronize::begin: (End of list)
#
# A fatal error has been detected by the Java Runtime Environment:
#
# SIGILL (0x4) at pc=0x00007f1cc1a91ad1 (sent by kill), pid=7078, tid=7090
#
# JRE version: OpenJDK Runtime Environment (22.0) (fastdebug build 22-internal-adhoc.jdk22u)
# Java VM: OpenJDK 64-Bit Server VM (fastdebug 22-internal-adhoc.jdk22u, compiled mode, compressed oops, compressed class ptrs, g1 gc, linux-amd64)
# Problematic frame:
# C [libpthread.so.0+0xdad1] pthread_cond_wait+0x241
#
# Core dump will be written. Default location: Core dumps may be processed with "/usr/share/apport/apport -p%p -s%s -c%c -d%d -P%P -u%u -g%g -- %E" (or dumping to /home/repository/bugs/CheckLoopStripMining_09_15_17_28_42/core.7078)
#
# An error report file with more information is saved as:
# /home/repository/bugs/CheckLoopStripMining_09_15_17_28_42/hs_err_pid7078.log
#
# If you would like to submit a bug report, please visit:
# https://bugreport.java.com/bugreport/crash.jsp
#
];
stderr: []
exitValue = 134
[2023-09-17T14:16:33.084363682Z] Waiting for completion for process 7078
[2023-09-17T14:16:33.084587077Z] Waiting for completion finished for process 7078
Exception in thread "main" java.lang.RuntimeException: Expected to get exit value of [0], exit value is: [134]
at jdk.test.lib.process.OutputAnalyzer.shouldHaveExitValue(OutputAnalyzer.java:490)
at compiler.loopstripmining.CheckLoopStripMining.main(CheckLoopStripMining.java:54)
---------- BEGIN SOURCE ----------
---------- END SOURCE ----------
FREQUENCY : always
# JRE version: OpenJDK Runtime Environment (22.0) (fastdebug build 22-internal-adhoc.jdk22u)
# Java VM: OpenJDK 64-Bit Server VM (fastdebug 22-internal-adhoc.jdk22u, compiled mode, compressed oops, compressed class ptrs, g1 gc, linux-amd64)
# Problematic frame:
# J 24 c2 compiler.loopstripmining.CheckLoopStripMining$Test1.test_loop(I)I (31 bytes) @ 0x00007fbd9918803e [0x00007fbd99187fa0+0x000000000000009e]
A DESCRIPTION OF THE PROBLEM :
I ran a modified regression case and I found the JVM crashes.
# A fatal error has been detected by the Java Runtime Environment:
#
# SIGILL (0x4) at pc=0x00007fbd9918803e (sent by kill), pid=65521, tid=65540
#
# JRE version: OpenJDK Runtime Environment (22.0) (fastdebug build 22-internal-adhoc.jdk22u)
# Java VM: OpenJDK 64-Bit Server VM (fastdebug 22-internal-adhoc.jdk22u, compiled mode, compressed oops, compressed class ptrs, g1 gc, linux-amd64)
# Problematic frame:
# J 24 c2 compiler.loopstripmining.CheckLoopStripMining$Test1.test_loop(I)I (31 bytes) @ 0x00007fbd9918803e [0x00007fbd99187fa0+0x000000000000009e]
#
# Core dump will be written. Default location: Core dumps may be processed with "/usr/share/apport/apport -p%p -s%s -c%c -d%d -P%P -u%u -g%g -- %E" (or dumping to /home/repository/bugs/CheckLoopStripMining_09_15_17_28_42/core.65521)
#
# If you would like to submit a bug report, please visit:
# https://bugreport.java.com/bugreport/crash.jsp
#
STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
java compiler.loopstripmining.CheckLoopStripMining
ACTUAL -
Command line: [/home/repository/jdk22u/build/linux-x86_64-server-fastdebug/jdk/bin/java -cp 30/:0/ -XX:+UnlockDiagnosticVMOptions -XX:+SafepointTimeout -XX:+SafepointALot -XX:+AbortVMOnSafepointTimeout -XX:SafepointTimeoutDelay=30 -XX:GuaranteedSafepointInterval=30 -XX:-TieredCompilation -XX:+UseCountedLoopSafepoints -XX:LoopStripMiningIter=1000 -XX:LoopUnrollLimit=0 -XX:CompileCommand=compileonly,compiler.loopstripmining.CheckLoopStripMining$Test1::test_loop -Xcomp compiler.loopstripmining.CheckLoopStripMining$Test1 ]
[2023-09-17T14:16:31.200480919Z] Gathering output for process 7078
[2023-09-17T14:16:32.893375529Z] Waiting for completion for process 7078
[2023-09-17T14:16:32.906957965Z] Waiting for completion finished for process 7078
Output and diagnostic info for process 7078 was saved into 'pid-7078-output.log'
[2023-09-17T14:16:32.938830557Z] Waiting for completion for process 7078
[2023-09-17T14:16:32.939065525Z] Waiting for completion finished for process 7078
[2023-09-17T14:16:32.939293217Z] Waiting for completion for process 7078
[2023-09-17T14:16:32.943128190Z] Waiting for completion finished for process 7078
stdout: [CompileCommand: compileonly compiler/loopstripmining/CheckLoopStripMining$Test1.test_loop bool compileonly = true
[0.939s][warning][safepoint]
[0.939s][warning][safepoint] # SafepointSynchronize::begin: Timeout detected:
[0.939s][warning][safepoint] # SafepointSynchronize::begin: Timed out while spinning to reach a safepoint.
[0.939s][warning][safepoint] # SafepointSynchronize::begin: Threads which did not reach the safepoint:
[0.939s][warning][safepoint] # "main" #1 [7090] prio=5 os_prio=0 cpu=527.60ms elapsed=0.92s tid=0x00007f1cb402bef0 nid=7090 runnable [0x0000000000000000]
[0.939s][warning][safepoint] java.lang.Thread.State: RUNNABLE
[0.939s][warning][safepoint] Thread: 0x00007f1cb402bef0 [0x1bb2] State: _running _at_poll_safepoint 0
[0.939s][warning][safepoint] JavaThread state: _thread_in_vm
[0.939s][warning][safepoint]
[0.939s][warning][safepoint] # SafepointSynchronize::begin: (End of list)
#
# A fatal error has been detected by the Java Runtime Environment:
#
# SIGILL (0x4) at pc=0x00007f1cc1a91ad1 (sent by kill), pid=7078, tid=7090
#
# JRE version: OpenJDK Runtime Environment (22.0) (fastdebug build 22-internal-adhoc.jdk22u)
# Java VM: OpenJDK 64-Bit Server VM (fastdebug 22-internal-adhoc.jdk22u, compiled mode, compressed oops, compressed class ptrs, g1 gc, linux-amd64)
# Problematic frame:
# C [libpthread.so.0+0xdad1] pthread_cond_wait+0x241
#
# Core dump will be written. Default location: Core dumps may be processed with "/usr/share/apport/apport -p%p -s%s -c%c -d%d -P%P -u%u -g%g -- %E" (or dumping to /home/repository/bugs/CheckLoopStripMining_09_15_17_28_42/core.7078)
#
# An error report file with more information is saved as:
# /home/repository/bugs/CheckLoopStripMining_09_15_17_28_42/hs_err_pid7078.log
#
# If you would like to submit a bug report, please visit:
# https://bugreport.java.com/bugreport/crash.jsp
#
];
stderr: []
exitValue = 134
[2023-09-17T14:16:33.084363682Z] Waiting for completion for process 7078
[2023-09-17T14:16:33.084587077Z] Waiting for completion finished for process 7078
Exception in thread "main" java.lang.RuntimeException: Expected to get exit value of [0], exit value is: [134]
at jdk.test.lib.process.OutputAnalyzer.shouldHaveExitValue(OutputAnalyzer.java:490)
at compiler.loopstripmining.CheckLoopStripMining.main(CheckLoopStripMining.java:54)
---------- BEGIN SOURCE ----------
---------- END SOURCE ----------
FREQUENCY : always