Zero JVM segfaulting on linux-sparc

John Paul Adrian Glaubitz glaubitz at physik.fu-berlin.de
Wed Jan 2 10:02:20 UTC 2019


Hi Severin!

On 1/2/19 10:12 AM, Severin Gehwolf wrote:
> Thanks for getting that bug filed. Before we push the work-around it
> would be good to know what's actually happening. You could try
> recompiling/running with an UB sanitizer and see whether there is a
> problem.

I have to admit that I have never used a UB sanitizer before,
so it may take a while until I get a usable result.

> If there is, it might be a Zero bug which we should fix. I
> have no way of testing this issue myself, though.

Actually, you can :-). We have added a SPARC T5 instance to the
gcc compile farm. So, if you want, you can just apply for an
account there, see: https://gcc.gnu.org/wiki/CompileFarm and
get started. Any developer can apply for such an account.

There are SPARC boxes running Linux (Debian unstable) as well as
Solaris. I have root access to the Linux instance (gc202), so I
can install any extra package if necessary.

>> Shall I file a bug in gcc upstream as well?
> 
> Possibly. Do you know for sure this is a GCC bug? If so, please do.

No, no idea yet.

Adrian

-- 
 .''`.  John Paul Adrian Glaubitz
: :' :  Debian Developer - glaubitz at debian.org
`. `'   Freie Universitaet Berlin - glaubitz at physik.fu-berlin.de
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