`jdk/crac/recursiveCheckpoint/Test.java` test always fails in GitHub Actions on MacOS, at least on x64, with the following exception:
```
java.lang.RuntimeException: Process returned unexpected exit code: 136 expected: 0 but was: 136
at jdk.test.lib.Asserts.fail(Asserts.java:691)
at jdk.test.lib.Asserts.assertEquals(Asserts.java:204)
at jdk.test.lib.crac.CracProcess.waitForSuccess(CracProcess.java:107)
at jdk.test.lib.crac.CracBuilder.doRestore(CracBuilder.java:377)
at Test.test(Test.java:47)
at jdk.test.lib.crac.CracTest.run(CracTest.java:155)
at jdk.test.lib.crac.CracTest.main(CracTest.java:89)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
at java.base/java.lang.reflect.Method.invoke(Method.java:573)
at com.sun.javatest.regtest.agent.MainActionHelper$AgentVMRunnable.run(MainActionHelper.java:333)
at java.base/java.lang.Thread.run(Thread.java:1576)
```
Upon investigation, the cause seems to be that when restoring CRaC uses time info before it is initialized on Mac which results in division by zero.
```
java.lang.RuntimeException: Process returned unexpected exit code: 136 expected: 0 but was: 136
at jdk.test.lib.Asserts.fail(Asserts.java:691)
at jdk.test.lib.Asserts.assertEquals(Asserts.java:204)
at jdk.test.lib.crac.CracProcess.waitForSuccess(CracProcess.java:107)
at jdk.test.lib.crac.CracBuilder.doRestore(CracBuilder.java:377)
at Test.test(Test.java:47)
at jdk.test.lib.crac.CracTest.run(CracTest.java:155)
at jdk.test.lib.crac.CracTest.main(CracTest.java:89)
at java.base/jdk.internal.reflect.DirectMethodHandleAccessor.invoke(DirectMethodHandleAccessor.java:104)
at java.base/java.lang.reflect.Method.invoke(Method.java:573)
at com.sun.javatest.regtest.agent.MainActionHelper$AgentVMRunnable.run(MainActionHelper.java:333)
at java.base/java.lang.Thread.run(Thread.java:1576)
```
Upon investigation, the cause seems to be that when restoring CRaC uses time info before it is initialized on Mac which results in division by zero.
- links to
-
Commit(crac) openjdk/crac/7c6105ba
-
Review(crac) openjdk/crac/169