[Bug 937380] Re: libmagick hangs when called from RMagick with Passenger 3

[broucaries]

We have some bug waiting about libgomp.

It seems like a libgomp bug see http://bugs.debian.org/cgi-
bin/bugreport.cgi?bug=652960

Please fill a bug against gcc upstream and link this bug to ggcc bug
under  ubuntu

** Bug watch added: Debian Bug tracker #652960
   http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=652960

** Also affects: debian via
   http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=652960
   Importance: Unknown
       Status: Unknown

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https://bugs.launchpad.net/bugs/937380

Title:
  libmagick hangs when called from RMagick with Passenger 3

Status in “imagemagick” package in Ubuntu:
  New
Status in Debian GNU/Linux:
  Unknown

Bug description:
  ruby processes using libmagick via the RMagick gem hang when running
  under Passenger 3.0.11. The requests never return.

  Installing debug libraries and looking at one of the stuck processes
  with gdb gives this:

  #0  futex_wait (val=0, addr=0x3858984)
      at ../../../src/libgomp/config/linux/x86/futex.h:44
  #1  do_wait (val=0, addr=0x3858984) at ../../../src/libgomp/config/linux/wait.h:58
  #2  gomp_team_barrier_wait_end (bar=0x3858980, state=0)
      at ../../../src/libgomp/config/linux/bar.c:109
  #3  0x00007f876709b6ce in gomp_team_end () at ../../../src/libgomp/team.c:464
  #4  0x00007f876840a919 in SetImageBackgroundColor (image=0x1d27600)
      at magick/image.c:2837
  #5  SetImageBackgroundColor (image=0x1d27600) at magick/image.c:2792
  #6  0x00007f876879749e in Image_initialize ()
     from /usr/lib/ruby/gems/1.8/gems/rmagick-2.13.1/lib/RMagick2.so

  The problem does not occur when using the Ubuntu Passenger package,
  only with more recent versions of Passenger.

  ProblemType: Bug
  DistroRelease: Ubuntu 11.10
  Package: libmagickcore3 8:6.6.0.4-3ubuntu1
  ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
  Uname: Linux 3.0.0-12-generic x86_64
  NonfreeKernelModules: fglrx
  ApportVersion: 1.23-0ubuntu4
  Architecture: amd64
  Date: Mon Feb 20 21:38:38 2012
  ProcEnviron:
   LC_CTYPE=en_US.UTF-8
   PATH=(custom, user)
   LANG=en_US.UTF-8
   SHELL=/usr/bin/zsh
  SourcePackage: imagemagick
  UpgradeStatus: Upgraded to oneiric on 2011-10-15 (128 days ago)

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