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[Qemu-devel] [Bug 1761535] [NEW] qemu-aarch64-static docker arm64v8/open


From: Richard Henwood
Subject: [Qemu-devel] [Bug 1761535] [NEW] qemu-aarch64-static docker arm64v8/openjdk coredump
Date: Thu, 05 Apr 2018 16:00:37 -0000

Public bug reported:

I am using qemu-aarch64-static to run the arm64v8/openjdk official image
on my x86 machine. Using QEMU master, I immediately hit a bug which
hangs the container. With Ubuntu default version qemu-aarch64 version
2.5.0 (Debian 1:2.5+dfsg-5ubuntu10.24) and qemu-aarch64 version 2.11.1
(v2.11.1-dirty) the hang does not take place.

To reproduce (and get to the core dump):

$ /tmp/tmptgyg3nvh/qemu-aarch64-static/qemu-aarch64-static -version
qemu-aarch64 version 2.11.91 (v2.12.0-rc1-5-g47d3b60-dirty)
Copyright (c) 2003-2017 Fabrice Bellard and the QEMU Project developers

$ docker run -it -v 
/tmp/tmptgyg3nvh/qemu-aarch64-static:/usr/bin/qemu-aarch64-static 
arm64v8/openjdk /bin/bash
address@hidden:/# javac
Usage: javac <options> <source files>
where possible options include:
  -g                         Generate all debugging info
<...snip...>
  @<filename>                Read options and filenames from file

qemu: uncaught target signal 11 (Segmentation fault) - core dumped
...TERMINAL HANGS...


To get the core dump, In a separate terminal:

# snapshot the file system of the hung image
$ docker commit $(docker ps -aqf "name=latest_qemu") qemu_coredump

# connect with known working qemu
$ docker run -t -v /usr/bin/qemu-aarch64-static:/usr/bin/qemu-aarch64-static  
-i qemu_coredump /bin/bash

$$ ls -lat
total 10608
<snip>
-rw-r--r--   1 root root 10792960 Mar 29 18:02 qemu_bash_20180329-180251_1.core
drwxrwxrwt   5 root root     4096 Mar 29 18:02 tmp
<snip>

** Affects: qemu
     Importance: Undecided
         Status: New


** Tags: aarch64 core dump hang static

-- 
You received this bug notification because you are a member of qemu-
devel-ml, which is subscribed to QEMU.
https://bugs.launchpad.net/bugs/1761535

Title:
  qemu-aarch64-static docker arm64v8/openjdk coredump

Status in QEMU:
  New

Bug description:
  I am using qemu-aarch64-static to run the arm64v8/openjdk official
  image on my x86 machine. Using QEMU master, I immediately hit a bug
  which hangs the container. With Ubuntu default version qemu-aarch64
  version 2.5.0 (Debian 1:2.5+dfsg-5ubuntu10.24) and qemu-aarch64
  version 2.11.1 (v2.11.1-dirty) the hang does not take place.

  To reproduce (and get to the core dump):

  $ /tmp/tmptgyg3nvh/qemu-aarch64-static/qemu-aarch64-static -version
  qemu-aarch64 version 2.11.91 (v2.12.0-rc1-5-g47d3b60-dirty)
  Copyright (c) 2003-2017 Fabrice Bellard and the QEMU Project developers

  $ docker run -it -v 
/tmp/tmptgyg3nvh/qemu-aarch64-static:/usr/bin/qemu-aarch64-static 
arm64v8/openjdk /bin/bash
  address@hidden:/# javac
  Usage: javac <options> <source files>
  where possible options include:
    -g                         Generate all debugging info
  <...snip...>
    @<filename>                Read options and filenames from file

  qemu: uncaught target signal 11 (Segmentation fault) - core dumped
  ...TERMINAL HANGS...

  
  To get the core dump, In a separate terminal:

  # snapshot the file system of the hung image
  $ docker commit $(docker ps -aqf "name=latest_qemu") qemu_coredump

  # connect with known working qemu
  $ docker run -t -v /usr/bin/qemu-aarch64-static:/usr/bin/qemu-aarch64-static  
-i qemu_coredump /bin/bash

  $$ ls -lat
  total 10608
  <snip>
  -rw-r--r--   1 root root 10792960 Mar 29 18:02 
qemu_bash_20180329-180251_1.core
  drwxrwxrwt   5 root root     4096 Mar 29 18:02 tmp
  <snip>

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