JVM crashing insides chroots - was: Re: Zero crashing on ARM

[John Paul Adrian Glaubitz]

On 11/29/2017 02:49 PM, Severin Gehwolf wrote:
>> In any case, it will potentially cause issues with chroots as they are used
>> on Linux distributions for building packages.
> 
> Agreed. It needs to be fixed. The default is +UseContainerSupport after
> all.
It seems to have huge performance impact, too:

(sid-amd64-sbuild)root at trlin:/usr/src/hs# time /usr/bin/java -version
openjdk version "9.0.1"
OpenJDK Runtime Environment (build 9.0.1+11-Debian-1)
OpenJDK 64-Bit Server VM (build 9.0.1+11-Debian-1, mixed mode)

real    0m0.101s
user    0m0.128s
sys     0m0.019s
(sid-amd64-sbuild)root at trlin:/usr/src/hs# time /usr/src/hs/build/linux-x86_64-normal-zero-release/jdk/bin/java -XX:-UseContainerSupport -version
openjdk version "10-internal"
OpenJDK Runtime Environment (build 10-internal+0-adhoc.root.hs)
OpenJDK 64-Bit Zero VM (build 10-internal+0-adhoc.root.hs, interpreted mode)

real    0m26.010s
user    0m25.551s
sys     0m0.380s
(sid-amd64-sbuild)root at trlin:/usr/src/hs#

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