JVM crash with Build 16-loom+2-14 (2020/6/27)

[Manish Thakur]

I can confirm the app works absolutely fine with JDK 15, no error.

Manish

On Mon, Jul 13, 2020 at 12:47 PM Alan Bateman <Alan.Bateman at oracle.com>
wrote:

>
>
> On 06/07/2020 08:18, Manish Thakur wrote:
> >> Hi,
> >>
> >> The JVM crashes during startup. The log has been attached. Something is
> up
> >> with BigInetger left shift operation.
> >>
> > Manish
> >
> > #
> > # A fatal error has been detected by the Java Runtime Environment:
> > #
> > #  SIGILL (0x4) at pc=0x00007f618cd3e3d5, pid=1, tid=126
> > #
> > # JRE version: OpenJDK Runtime Environment (16.0+2) (build 16-loom+2-14)
> > # Java VM: OpenJDK 64-Bit Server VM (16-loom+2-14, mixed mode, sharing,
> > tiered, compressed oops, g1 gc, linux-amd64)
> > # Problematic frame:
> > # v  ~StubRoutines::bigIntegerLeftShiftWorker 0x00007f618cd3e3d5
> >
> Do the JDK 15 and JDK 16 EA builds fail in the same way on this system?
> There is a new intrinsic for double precision shifting in JDK 15 that
> makes use of AVX Vector Bit Manipulation instructions. Nothing to do
> with Loom but there was at least one report here already about problems
> with that on Google Cloud systems where the CPU reported it had his
> feature but didn't actually support it. So would be useful if you could
> confirm if recent builds of the JDK work on this system.
>
> -Alan.
>