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[Rene Sugar <707230@xxxxxxxxxxxxxxxxxx>]

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https://bugs.launchpad.net/bugs/707230

Title:
  Hang in FUTEX_WAIT compiling Scala in 64-bit Ubuntu 10.10 running in
  VirtualBox

Status in “openjdk-6” package in Ubuntu:
  New

Bug description:
  I ran into a bug that has been reported for years but apparently
  hasn't been fixed yet due to difficulty reproducing the problem.

  Ubuntu 10.10 running in VirtualBox
  1GB memory allocated to VirtualBox machine
  400GB disk allocated to VirtualBox machine
  Get a copy of the Scala source code via svn and build it by typing "ant".

  The Scala project (www.scala-lang.org) uses "ant" to build the
  project.

  The Scala build proceeds extremely slowly and ultimatlely hangs with
  both java processes in a FUTEX_WAIT state (futex_wait_queue_me).

  The problem does not reproduce on XBuntu; only Ubuntu.

  I've seen this problem documented as having something to do with
  "Assistive Technologies" being turned on. They are not turned on in
  this repro.

  ProblemType: Bug
  DistroRelease: Ubuntu 10.10
  Package: openjdk-6-jre 6b20-1.9.2-0ubuntu2
  ProcVersionSignature: Ubuntu 2.6.35-24.42-generic 2.6.35.8
  Uname: Linux 2.6.35-24-generic x86_64
  Architecture: amd64
  Date: Mon Jan 24 17:09:13 2011
  InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release amd64 (20101007)
  ProcEnviron:
   LANG=en_US.utf8
   SHELL=/bin/bash
  SourcePackage: openjdk-6