OpenJDK 8 Segfault on Startup

[Attie Grande]

Hi again Aleksey,

I just wanted to say thanks ever so much for your input - linking me
to JIRA, etc...
I applied the patch from JDK-8154210 [1][2] and things have sprung into life.

I plan to submit this to the Yocto folks.

Attie

[1]: https://bugs.openjdk.java.net/browse/JDK-8154210
[2]: http://hg.openjdk.java.net/jdk9/jdk9/hotspot/rev/3d7d041acb59
On Wed, 28 Nov 2018 at 14:11, Aleksey Shipilev <ashipile at redhat.com> wrote:
>
> On 11/28/18 12:34 AM, Attie Grande wrote:
> > A fatal log is here:
> >     https://pastebin.com/raw/iXTz8v9z
> >
> > Output from a crash in gdb (still no symbols):
> >     https://pastebin.com/raw/dS8zak5H
> >
> > The content of siginfo_t... if it's helpful:
> >     https://pastebin.com/raw/hUwZPUUd
>
> Okay, no help.
>
> > PS: Thanks for trying the build on the RPi... that same build works
> > fine on my board!
> > Do you have any information on "what" was built? (i.e: patches,
> > etc...) or is it built from vanilla 191-b12 sources?
>
> Aha, interesting. That build [1] is from Red Hat RPM integration repository [2], which includes
> latest upstream 8u, aarch64 port, and Shenandoah GC.
>
> At this point, I have two hypotheses:
>
>  a) Yocto patchset has a bad patch. It is a good thing the my build [1] runs, because it means glibc
> is still functional on your board, which means you can probably build without any Yocto patches,
> which opens up the opportunity to bisect.
>
>  b) There is a bug/regression in Zero VM that was fixed in later 8u releases. Seeing that you build
> 8.0_162-b12, and searching through JIRA [3] for the error message, there are a few interesting hits
> that have no backports to 8u162 [4][5]. Both might be easy to apply to your current 8u tree [6][7].
> (Separately, you can see how the error in interpreter may lead to "surprise" SEGV originating from
> Java code). Otherwise, try to update the tree to the latest 8u?
>
> -Aleksey
>
> [1]
> https://builds.shipilev.net/openjdk-jdk8-redhat/openjdk-jdk8-redhat-latest-linux-arm32-hflt-zero-fastdebug.tar.xz
> [2] http://hg.openjdk.java.net/aarch64-port/jdk8u-shenandoah/
> [3] https://bugs.openjdk.java.net/secure/QuickSearch.jspa?searchString=caught+unhandled+signal+11
> [4] https://bugs.openjdk.java.net/browse/JDK-8194739
> [5] https://bugs.openjdk.java.net/browse/JDK-8202600
> [6] http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/rev/8bd024c567e7
> [7] http://hg.openjdk.java.net/jdk8u/jdk8u/hotspot/rev/ca4663e58916
>