Re: Crash on jar (openjdk-15.0.1_p9) in the alpine docker container with qemu-user-static, but working on the native arch

[David Hildenbrand]

On 11.02.21 12:32, David Hildenbrand wrote:
> On 11.02.21 12:07, Hyounggyu Choi wrote:
> > Dear David and maintainers,
> > Thanks for the feedback.
> > I would like to explain my situation in more detail to you about why I
> > brought up this matter.
> > I faced the issue while I worked on the s390x-support at the OpenZipkin
> > project. (https://github.com/openzipkin/docker-java/pull/52
> > <https://github.com/openzipkin/docker-java/pull/52>)
> > The error popped up during building up one of the base images below:
>
> I am able to reproduce that java just crashes.
>
> Under full system emulation, it even crashes in a different way
>
> ace=1018k
> v=VM code, C=native code)
> C  [linux-vdso64.so.1+0x6f4]  __kernel_getcpu+0x4
> V  [libjvm.so+0xa7ccae]  os::init_2()+0x23e
> V  [libjvm.so+0xc30d0e]  Threads::create_vm(JavaVMInitArgs*, bool*)+0x19e
> V  [libjvm.so+0x79ec32]  JNI_CreateJavaVM+0xa2
> C  [libjli.so+0x4e8c]  JavaMain+0xbc
> C  [libjli.so+0xa370]  ThreadJavaMain+0x20
>
>
> Because we don't support access register mode yet ...
>
> Long story short, it might take a while until we can run java under QEMU
> s390x with TCG.

Correction: not related to access register mode. Something else goes 
wrong after switching to secondary mode and trying to load the value.

I'm planning on looking into these different issues, but it might take 
some time.

--
Thanks,

David / dhildenb