[Pkg-games-ubuntu] [Bug 1086231] Re: python-renpy crashes in rw_close_th when the scene changes

Tue Dec 4 04:17:40 UTC 2012

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** Tags added: patch

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https://bugs.launchpad.net/bugs/1086231

Title:
  python-renpy crashes in rw_close_th when the scene changes

Status in “renpy” package in Ubuntu:
  New

Bug description:
  I tried running the Ren'Py game "Analogue - A Hate Story" (the Steam version in my case) with the renpy build from Ubuntu 12.10 (6.13.12-1build1).
  After the intro, the game does not switch over to the main menu, but crashes in rw_close_th.

  I couldn't find debug symbols for the the python-renpy package, so I
  apt-get source'd renpy and disabled the dh_strip stage, then built and
  reinstalled it. A resulting gdb stack trace is attached.

  As I don't understand Python/C very well, I just took a wild guess at
  why the crash is happening. Based on the assumption that
  PyObject_GetAttrString does not increase the reference count, I added
  Py_INCREF() calls to fetch_object_methods(). If this is incorrect, I
  can see another bug here: if the PyCallable_Check() call returns
  false, the references are never decremented. With the reference count
  increase, the crash vanishes, but I can't tell if this instead creates
  a memory leak. It would be great if a Python guru could provide some
  insight.

  Upstream versions were not tested.

  ProblemType: Bug
  DistroRelease: Ubuntu 12.10
  Package: python-renpy 6.13.12-1build1
  ProcVersionSignature: Ubuntu 3.5.0-19.30-generic 3.5.7
  Uname: Linux 3.5.0-19-generic x86_64
  NonfreeKernelModules: fglrx
  ApportVersion: 2.6.1-0ubuntu6
  Architecture: amd64
  Date: Tue Dec  4 04:18:23 2012
  InstallationDate: Installed on 2012-10-17 (47 days ago)
  InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release amd64 (20120822.4)
  MarkForUpload: True
  SourcePackage: renpy
  UpgradeStatus: Upgraded to quantal on 2012-11-30 (3 days ago)

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