Description of problem:

  On Fedora 19, attempting to use the example Glupy volume (test.vol)
  from the GlusterFS git repo, results in a failure from debug-trace.py:

    $ git clone git://git.gluster.org/glusterfs
    $ cd glusterfs/xlators/features/glupy/doc
    $ sudo glusterfs --debug -f test.vol /mnt/
    [2013-10-16 19:01:31.525291] I [glusterfsd.c:1954:main] 0-glusterfs: Started running glusterfs version 3git (glusterfs --debug -f test.vol /mnt/)
    [2013-10-16 19:01:31.526285] D [glusterfsd.c:407:set_fuse_mount_options] 0-glusterfsd: fopen-keep-cache mode 2
    [2013-10-16 19:01:31.526336] D [glusterfsd.c:463:set_fuse_mount_options] 0-: fuse direct io type 2
    [2013-10-16 19:01:31.526580] D [options.c:1112:xlator_option_init_double] 0-fuse: option negative-timeout using set value 0.000000
    [2013-10-16 19:01:31.528918] D [glusterfsd.c:593:get_volfp] 0-glusterfsd: loading volume file /home/jc/glusterfs/xlators/features/glupy/doc/test.vol
    [2013-10-16 19:01:31.555901] E [glupy.c:2368:init] 0-vol-glupy: py_mod_name = debug-trace
    [2013-10-16 19:01:31.584902] E [glupy.c:2372:init] 0-vol-glupy: Python import failed
    Traceback (most recent call last):
      File "/usr/lib64/glusterfs/3git/xlator/features/glupy/debug-trace.py", line 12, in <module>
        dl.get_id.restype = c_long
    NameError: name 'c_long' is not defined
    [2013-10-16 19:01:31.585132] E [xlator.c:425:xlator_init] 0-vol-glupy: Initialization of volume 'vol-glupy' failed, review your volfile again
    [2013-10-16 19:01:31.585147] E [graph.c:307:glusterfs_graph_init] 0-vol-glupy: initializing translator failed
    [2013-10-16 19:01:31.585161] E [graph.c:502:glusterfs_graph_activate] 0-graph: init failed
    [2013-10-16 19:01:31.585902] W [glusterfsd.c:1086:cleanup_and_exit] (-->glusterfs(main+0x4d8) [0x7fdbeb88baa8] (-->glusterfs(glusterfs_volumes_init+0xb0) [0x7fdbeb88e950] (-->glusterfs(glusterfs_process_volfp+0x106) [0x7fdbeb88e856]))) 0-: received signum (0), shutting down
    [2013-10-16 19:01:31.585974] D [glusterfsd-mgmt.c:2087:glusterfs_mgmt_pmap_signout] 0-fsd-mgmt: portmapper signout arguments not given
    [2013-10-16 19:01:31.585993] I [fuse-bridge.c:5424:fini] 0-fuse: Unmounting '/mnt/'.
    [2013-10-16 19:01:31.586813] W [glusterfsd.c:1086:cleanup_and_exit] (-->/lib64/libc.so.6(clone+0x6d) [0x7fdbea4f9e1d] (-->/lib64/libpthread.so.0(+0x7c53) [0x7fdbeab90c53] (-->glusterfs(glusterfs_sigwaiter+0xd5) [0x7fdbeb88e165]))) 0-: received signum (15), shutting down
    $ 

  This used to work.


Version-Release number of selected component (if applicable):

  Upstream GlusterFS git master, as of Wed 16th Oct 2013.

  Latest commit:

    commit 656db3a8e0601ba0a6af303b971111fbbed29906
    Author: Lalatendu Mohanty <lmohanty>
    Date:   Sun Oct 13 15:08:10 2013 -0400


How reproducible:

  Every time.