How to run a specific Graal test?

[Roland Schatz]

On 11/29/2016 04:08 PM, Andrew Haley wrote:
> On 29/11/16 14:44, Doug Simon wrote:
>> If you post the failing stack trace, I could give you more info.
> Attached: it's a VM crash.  As soon as I can duplicate the test in a
> debugger I'll be able to fix it.
>
> I find it very difficult to run juinit tests because they don't really
> expose what the VM is doing, and it's very hard to run them in a
> single test in a debugger.  I'm sure they're not deliberately making
> it hard, but it sometimes seems that way.
One thing you could try is "mx --gdb <something>" to run the VM inside 
gdb. If you need something more flexible, you can use "--vmprefix 
<something>" to prefix the "java" command with something ("--gdb" is 
just a convenience shortcut for "--vmprefix 'gdb --args'").

- Roland

>
> Thanks,
>
> Andrew.
>
>
>
> com.oracle.graal.replacements.test.NewMultiArrayTest started
>    test1: #
> # A fatal error has been detected by the Java Runtime Environment:
> #
> #  SIGILL (0x4) at pc=0x0000007f79983dd8, pid=46366, tid=46367
> #
> # JRE version: OpenJDK Runtime Environment (9.0) (build 9-internal+0-2016-11-28-162713.aph.hs)
> # Java VM: OpenJDK 64-Bit Server VM (9-internal+0-2016-11-28-162713.aph.hs, mixed mode, tiered, jvmci, compressed oops, g1 gc, linux-aarch64)
> # Problematic frame:
> # C  0x0000007f79983dd8
> #
> # No core dump will be written. 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:
> # /nfs/zebedee/home/graal/clean/graal-core/hs_err_pid46366.log
> #
> # If you would like to submit a bug report, please visit:
> #   http://bugreport.java.com/bugreport/crash.jsp
> #
> [exit code: -6]
>    File "/nfs/zebedee/home/graal/clean/mx/mx.py", line 14608, in <module>
>      main()
>    File "/nfs/zebedee/home/graal/clean/mx/mx.py", line 14592, in main
>      retcode = c(command_args)
>    File "/nfs/zebedee/home/graal/clean/mx/mx_gate.py", line 347, in gate
>      runner(args, tasks)
>    File "/nfs/zebedee/home/graal/clean/graal-core/mx.graal-core/mx_graal_core.py", line 474, in _graal_gate_runner
>      compiler_gate_runner(['graal-core', 'truffle'], graal_unit_test_runs, graal_bootstrap_tests, tasks, args.extra_vm_argument)
>    File "/nfs/zebedee/home/graal/clean/graal-core/mx.graal-core/mx_graal_core.py", line 377, in compiler_gate_runner
>      r.run(suites, tasks, ['-XX:-UseJVMCICompiler'] + _remove_empty_entries(extraVMarguments))
>    File "/nfs/zebedee/home/graal/clean/graal-core/mx.graal-core/mx_graal_core.py", line 290, in run
>      if t: unittest(['--suite', suite, '--fail-fast'] + extra_args + self.args + _remove_empty_entries(extraVMarguments))
>    File "/nfs/zebedee/home/graal/clean/mx/mx_unittest.py", line 369, in unittest
>      _unittest(args, ['@Test', '@Parameters'], **parsed_args.__dict__)
>    File "/nfs/zebedee/home/graal/clean/mx/mx_unittest.py", line 257, in _unittest
>      _run_tests(args, harness, vmLauncher, annotations, testfile, blacklist, whitelist, regex, mx.suite(suite) if suite else None)
>    File "/nfs/zebedee/home/graal/clean/mx/mx_unittest.py", line 166, in _run_tests
>      harness(depsContainingTests, vmLauncher, vmArgs)
>    File "/nfs/zebedee/home/graal/clean/mx/mx_unittest.py", line 247, in harness
>      vmLauncher.launcher(*config)
>    File "/nfs/zebedee/home/graal/clean/graal-core/mx.graal-core/mx_graal_core.py", line 495, in _unittest_vm_launcher
>      run_vm(vmArgs + [mainClass] + mainClassArgs)
>    File "/nfs/zebedee/home/graal/clean/graal-core/mx.graal-core/mx_graal_core.py", line 775, in run_vm
>      return run_java(args, nonZeroIsFatal=nonZeroIsFatal, out=out, err=err, cwd=cwd, timeout=timeout)
>    File "/nfs/zebedee/home/graal/clean/graal-core/mx.graal-core/mx_graal_core.py", line 750, in run_java
>      return mx.run(cmd, nonZeroIsFatal=nonZeroIsFatal, out=out, err=err, cwd=cwd, env=env)
>    File "/nfs/zebedee/home/graal/clean/mx/mx.py", line 8772, in run
>      abort(retcode)
>    File "/nfs/zebedee/home/graal/clean/mx/mx.py", line 9393, in abort
>      traceback.print_stack()
> gate: 29 Nov 2016 14:19:40: END:   UnitTests: hosted-product graal-core [0:02:46.926390] [disk (free/total): 24.5GB/618.0GB]
> Traceback (most recent call last):
>    File "/nfs/zebedee/home/graal/clean/mx/mx_gate.py", line 347, in gate
>      runner(args, tasks)
>    File "/nfs/zebedee/home/graal/clean/graal-core/mx.graal-core/mx_graal_core.py", line 474, in _graal_gate_runner
>      compiler_gate_runner(['graal-core', 'truffle'], graal_unit_test_runs, graal_bootstrap_tests, tasks, args.extra_vm_argument)
>    File "/nfs/zebedee/home/graal/clean/graal-core/mx.graal-core/mx_graal_core.py", line 377, in compiler_gate_runner
>      r.run(suites, tasks, ['-XX:-UseJVMCICompiler'] + _remove_empty_entries(extraVMarguments))
>    File "/nfs/zebedee/home/graal/clean/graal-core/mx.graal-core/mx_graal_core.py", line 290, in run
>      if t: unittest(['--suite', suite, '--fail-fast'] + extra_args + self.args + _remove_empty_entries(extraVMarguments))
>    File "/nfs/zebedee/home/graal/clean/mx/mx_unittest.py", line 369, in unittest
>      _unittest(args, ['@Test', '@Parameters'], **parsed_args.__dict__)
>    File "/nfs/zebedee/home/graal/clean/mx/mx_unittest.py", line 257, in _unittest
>      _run_tests(args, harness, vmLauncher, annotations, testfile, blacklist, whitelist, regex, mx.suite(suite) if suite else None)
>    File "/nfs/zebedee/home/graal/clean/mx/mx_unittest.py", line 166, in _run_tests
>      harness(depsContainingTests, vmLauncher, vmArgs)
>    File "/nfs/zebedee/home/graal/clean/mx/mx_unittest.py", line 247, in harness
>      vmLauncher.launcher(*config)
>    File "/nfs/zebedee/home/graal/clean/graal-core/mx.graal-core/mx_graal_core.py", line 495, in _unittest_vm_launcher
>      run_vm(vmArgs + [mainClass] + mainClassArgs)
>    File "/nfs/zebedee/home/graal/clean/graal-core/mx.graal-core/mx_graal_core.py", line 775, in run_vm
>      return run_java(args, nonZeroIsFatal=nonZeroIsFatal, out=out, err=err, cwd=cwd, timeout=timeout)
>    File "/nfs/zebedee/home/graal/clean/graal-core/mx.graal-core/mx_graal_core.py", line 750, in run_java
>      return mx.run(cmd, nonZeroIsFatal=nonZeroIsFatal, out=out, err=err, cwd=cwd, env=env)
>    File "/nfs/zebedee/home/graal/clean/mx/mx.py", line 8772, in run
>      abort(retcode)
>    File "/nfs/zebedee/home/graal/clean/mx/mx.py", line 9409, in abort
>      raise SystemExit(codeOrMessage)
> SystemExit: -6