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Date:      Thu, 6 Jun 2019 18:40:36 +0300
From:      Dmitry Chagin <dchagin@freebsd.org>
To:        Wojciech Puchar <wojtek@puchar.net>
Cc:        freebsd-hackers@freebsd.org
Subject:   Re: linux-oracle-jdk18 and futex
Message-ID:  <CAC0jpUCRA01JmetV6%2BwJfJHF4sRWn7Q0DKBfgO%2B1Cg2D-g4-cw@mail.gmail.com>
In-Reply-To: <alpine.BSF.2.20.1906050800140.88893@puchar.net>
References:  <alpine.BSF.2.20.1906050800140.88893@puchar.net>

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=D1=81=D1=80, 5 =D0=B8=D1=8E=D0=BD. 2019 =D0=B3. =D0=B2 09:04, Wojciech Puc=
har <wojtek@puchar.net>:

> i installed linux-oracle-jdk18
>
> all linux subsytems are active (linux,linux64,linprocfs,linsysfs),
> filesystems mounted
>
> when running tomcat7 using linux-oracle-jdk18 java process consumes 100%
> cpu showing "futex" state constantly.
>
> With openjdk that uses linux emulation problem doesn't exist. with any
> other version of oracje jdk that uses linux emulation - the same problem
>
> FreeBSD puchar.net 11.3-PRERELEASE FreeBSD 11.3-PRERELEASE #0 r347617:
> Sat
> May 18 19:54:54 CEST 2019
> root@puchar.net:/h/backup1/src/sys/amd64/compile/puchar  amd64
>
> any idea what's wrong?
>
>
>
Hi, could you please run tomcat under ktrace aka
ktrace -di /pathtotomcat
then
kdump -HAR -m 32 > tomcat.log and send output to me. thanks



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