Troubles with Shenandoah

[Roman Kennke]

I don't see the issue with latest code:

Can you try:
https://builds.shipilev.net/openjdk-jdk/

and see if that works better for you?

I'll check out fastdebug build in the meantime and see what's up there.


Roman

>Am Montag, den 08.04.2019, 15:59 +0200 schrieb Simone Bordet:
> Roman,
> 
> On Mon, Apr 8, 2019 at 3:48 PM Roman Kennke <rkennke at redhat.com>
> wrote:
> > > I did not need much load to trigger the Shenandoah failure, so
> > > perhaps
> > > stay low on the load (batch size = 10 or decrement it down to 1
> > > even),
> > > and make the runs longer (batch count = 1_000 -> 100_000).
> > 
> > Ok, I got it to fail with 20000 batch count.
> > 
> > I currently suspect that it's running out of code cache, and drops
> > back
> > to interpreter. -XX:ReservedCodeCacheSize=2048m seems to fix it for
> > me.
> > Can you verify it?
> 
> Just had another crash with fastdebug and
> -XX:ReservedCodeCacheSize=2048m, attached the hs_err.
>