AttributeError: No symbol __error found in library libc.so.6 when importing gevent in PyPy 1.9.0

[nessita]

I have a pypy 1.9.0 virtualenv where I copied the gevent/ folder from this project.

I have libev4 installed as follows:

user@host:~$ apt-cache policy libev4
libev4:
Installed: 1:4.11-1

The libc6 version is: 2.15-0ubuntu10

I tried to import gevent and I'm getting the following traceback:

(test-pypy-env)user@host:~$ pypy
Python 2.7.2 (341e1e3821ff, Jun 07 2012, 15:38:48)
[PyPy 1.9.0 with GCC 4.4.3] on linux2
Type "help", "copyright", "credits" or "license" for more information.
And now for something completely different: ``PyPy development: the art of
waiting''

import gevent
Traceback (most recent call last):
File "", line 1, in
File "/home/user/test-pypy-env/site-packages/gevent/init.py", line 40, in
from gevent.hub import get_hub
File "/home/user/test-pypy-env/site-packages/gevent/hub.py", line 7, in
from gevent import ctypes_core as core
File "/home/user/test-pypy-env/site-packages/gevent/ctypes_core.py", line 694, in
standard_c_lib.error.restype = ctypes.POINTER(ctypes.c_int)
File "/home/user/projects/pypy/pypy-1.9/lib-python/2.7/ctypes/__init.py", line 371, in getattr
func = self.getitem(name)
File "/home/user/projects/pypy/pypy-1.9/lib-python/2.7/ctypes/init.py", line 376, in getitem
func = self._FuncPtr((name_or_ordinal, self))
File "/home/user/projects/pypy/pypy-1.9/lib_pypy/_ctypes/function.py", line 250, in init
ptr = self._getfuncptr([], ctypes.c_int)
File "/home/user/projects/pypy/pypy-1.9/lib_pypy/_ctypes/function.py", line 421, in _getfuncptr
self._ptr = cdll.getfunc(self.name, ffi_argtypes, ffi_restype)
AttributeError: No symbol __error found in library libc.so.6

I also tried running the same example with the --jit off option, but I'm getting the same error.