Guidance regarding reporting a bug probably related with VectorAPI

[Paul Sandoz]

Thanks. Based on the CPU flags I think we need to attempt to reproduce on an AVX-512 system.

Paul.

> On Nov 30, 2023, at 3:12 PM, Aurelian Tutuianu <padreati at yahoo.com> wrote:
> 
> Hi Paul, 
> 
> Thank you for looking into it. This is what is shown when I run the code on my machine:
> 
> #
> # A fatal error has been detected by the Java Runtime Environment:
> #
> #  SIGSEGV (0xb) at pc=0x00007f89e053bcac, pid=398556, tid=398558
> #
> # JRE version: OpenJDK Runtime Environment (21.0.1+12) (build 21.0.1+12-29)
> # Java VM: OpenJDK 64-Bit Server VM (21.0.1+12-29, mixed mode, sharing, tiered, compressed oops, compressed class ptrs, g1 gc, linux-amd64)
> # Problematic frame:
> # J 1119 c2 bugs.VectorTest.vdotVectorizedFailure([DII[DIIII)D rapaio.experiment at 6.0.0 (273 bytes) @ 0x00007f89e053bcac [0x00007f89e053b980+0x000000000000032c]
> #
> # 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:
> # /home/ati/work/rapaio/hs_err_pid398556.log
> [4.582s][warning][os] Loading hsdis library failed
> #
> # If you would like to submit a bug report, please visit:
> #   https://bugreport.java.com/bugreport/crash.jsp
> #
> 
> The Hotspot error file can be found at the following link: https://gist.github.com/padreati/a0170291023640c013a9b9733478245b
> I didn't test it with other JVM versions than 21.0.1 and the Ubuntu machine that I have.
> 
> Thank you again,
> Aurelian
> 
> 
>