SIGSEGV

[Alan Bateman]

On 23/01/2012 18:16, Jesse Glick wrote:
> Just a note about the version of HotSpot currently in Jigsaw builds: 
> it gives me a SIGSEGV when I try to run NetBeans 7.1 under this VM:
>
> SIGSEGV (0xb) at pc=0x00007f195c1d042e, pid=5515, tid=139746790463232
> JRE version: 8.0
> Java VM: OpenJDK 64-Bit Server VM (23.0-b06 mixed mode linux-amd64 
> compressed oops)
> Stack: [0x00007f1955bdd000,0x00007f1955cde000],  
> sp=0x00007f1955cd87e0,  free space=1005k
> Native frames: (J=compiled Java code, j=interpreted, Vv=VM code, 
> C=native code)
> V  [libjvm.so+0x60f42e]  
> PhaseIdealLoop::build_loop_late_post(Node*)+0x14e
> V  [libjvm.so+0x611023]  PhaseIdealLoop::build_and_optimize(bool, 
> bool)+0xab3
> V  [libjvm.so+0x384eaa]  Compile::Optimize()+0x2ea
> V  [libjvm.so+0x387912]  Compile::Compile(ciEnv*, C2Compiler*, 
> ciMethod*, int, bool, bool)+0xbb2
> V  [libjvm.so+0x302a50]  C2Compiler::compile_method(ciEnv*, ciMethod*, 
> int)+0xe0
> V  [libjvm.so+0x38c379]  
> CompileBroker::invoke_compiler_on_method(CompileTask*)+0x2f9
> V  [libjvm.so+0x38cd9b]  CompileBroker::compiler_thread_loop()+0x42b
> V  [libjvm.so+0x7d11b0]  JavaThread::thread_main_inner()+0xc0
> V  [libjvm.so+0x6b2fe2]  java_start(Thread*)+0x132
> Current CompileTask:
> C2:  45698  722             
> org.netbeans.core.startup.layers.BinaryFS::findResource (58 bytes)
>
> This goes away with -Xint. Maybe some regression introduced upstream 
> in JDK 8.
The stack trace suggests it may be C2 issue. JDK8 is up to hs23-b10 but 
we will catch up at the next re-sync.

-Alan