JDK-7081842 : assert(Compile::current()->unique() < (uint)MaxNodeLimit) failed: Node limit exceeded
  • Type: Bug
  • Component: hotspot
  • Sub-Component: compiler
  • Affected Version: hs20
  • Priority: P3
  • Status: Closed
  • Resolution: Fixed
  • OS: generic
  • CPU: generic
  • Submitted: 2011-08-22
  • Updated: 2012-02-01
  • Resolved: 2012-01-23
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JDK 8 Other
8Fixed hs23Fixed
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Description
Crash with an assert. Appears to be similiar to 6773776 and one of asserts in 7032696, however it reproduces only starting JDK 7 b112 (HS 20 b01), while 6773776 is for HS14.
Note: from HS 21 b09 up to HS 22 b02, same client fails with assertion from 7068051.

# A fatal error has been detected by the Java Runtime Environment:
#
#  Internal Error (/tmp/jprt/P2/211217.kvn/source/src/share/vm/opto/node.cpp:70), pid=1962, tid=140431895771472
#  assert(Compile::current()->unique() < (uint)MaxNodeLimit) failed: Node limit exceeded
#
# JRE version: 7.0-b147
# Java VM: Java HotSpot(TM) 64-Bit Server VM (22.0-b02-internal-201108202112.kvn.7076831-fastdebug mixed mode linux-amd64 compressed oops)

Current thread (0x00000000007d2000):  JavaThread "C2 CompilerThread1" daemon [_thread_in_native, id=1977, stack(0x00007fb8d9333000,0x00007fb8d9434000)]

Stack: [0x00007fb8d9333000,0x00007fb8d9434000],  sp=0x00007fb8d942df00,  free space=1003k
Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, C=native code)
V  [libjvm.so+0xbff462]  VMError::report_and_die()+0x2f2
V  [libjvm.so+0x5b6144]  report_vm_error(char const*, int, char const*, char const*)+0x84
V  [libjvm.so+0x9ca10f]  Node::verify_construction()+0x18f
V  [libjvm.so+0x9cd38b]  Node::Node(unsigned int)+0x4b
V  [libjvm.so+0x46b8d0]  PhiNode::make_blank(Node*, Node*)+0xd0
V  [libjvm.so+0x46d1f9]  PhiNode::Ideal(PhaseGVN*, bool)+0x1439
V  [libjvm.so+0xa65405]  PhaseIterGVN::transform_old(Node*)+0xa5
V  [libjvm.so+0xa64829]  PhaseIterGVN::optimize()+0x269
V  [libjvm.so+0x53843f]  Compile::Optimize()+0x12f
V  [libjvm.so+0x53cffc]  Compile::Compile(ciEnv*, C2Compiler*, ciMethod*, int, bool, bool)+0x10bc
V  [libjvm.so+0x44c050]  C2Compiler::compile_method(ciEnv*, ciMethod*, int)+0x1d0
V  [libjvm.so+0x5464f5]  CompileBroker::invoke_compiler_on_method(CompileTask*)+0x4b5
V  [libjvm.so+0x5470d4]  CompileBroker::compiler_thread_loop()+0x4f4
V  [libjvm.so+0xba4d66]  JavaThread::thread_main_inner()+0xf6
V  [libjvm.so+0xa07ca0]  java_start(Thread*)+0x100


Current CompileTask:
C2:  35435   93   !         atg.core.net.URLHammerThread::run (2785 bytes)

Comments
EVALUATION See main CR
2011-10-07

EVALUATION http://hg.openjdk.java.net/hsx/hotspot-comp/hotspot/rev/075ea0ed9e7c
2011-09-20