Re: [Qemu-devel] [Bug 1735384] [NEW] OpenJDK JVM segfaults on qemu-sh4 (regression)

[John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>]

On 12/05/2017 04:02 PM, Alex Bennée wrote:
> With an --enable-debug build I managed to replicate:
> 
>    root@6e10336e48ac:/etc/apt# java --version
>    qemu-sh4: /home/alex/lsrc/qemu/qemu.git/tcg/tcg.h:703: temp_idx: Assertion `n >= 0 && n < tcg_ctx->nb_temps' failed.
>    qemu: uncaught target signal 11 (Segmentation fault) - core dumped
>    Segmentation fault (core dumped)
> 
> Which implies the front end has gotten something wrong. Maybe this
> somehow tripped up the fault resolution in the end? Can you try with an
> --enable-debug build?
Will do. Thank you for giving me a heads-up!

Adrian

-- 
  .''`.  John Paul Adrian Glaubitz
: :' :  Debian Developer - glaubitz@debian.org
`. `'   Freie Universitaet Berlin - glaubitz@physik.fu-berlin.de
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https://bugs.launchpad.net/bugs/1735384

Title:
  OpenJDK JVM segfaults on qemu-sh4 (regression)

Status in QEMU:
  New

Bug description:
  Some of the recent changes introduced a regression which makes the
  OpenJDK JVM crash on qemu-sh4:

  (sid-sh4-sbuild)root@nofan:/# java -version
  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  Segmentation fault
  (sid-sh4-sbuild)root@nofan:/#

  An older version works fine:

  (sid-sh4-sbuild)root@nofan:/# java -version
  openjdk version "9.0.1"
  OpenJDK Runtime Environment (build 9.0.1+11-Debian-1)
  OpenJDK Zero VM (build 9.0.1+11-Debian-1, interpreted mode)
  (sid-sh4-sbuild)root@nofan:/#

  Haven't had time for bisecting this yet.

  Adrian

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