Index: lxml-4.9.2/src/lxml/tests/test_etree.py
===================================================================
--- lxml-4.9.2.orig/src/lxml/tests/test_etree.py
+++ lxml-4.9.2/src/lxml/tests/test_etree.py
@@ -10,7 +10,7 @@ test_elementtree
 from __future__ import absolute_import
 
 from collections import OrderedDict
-import os.path
+import os
 import unittest
 import copy
 import sys
@@ -47,6 +47,9 @@ except NameError:
     # Python 3
     _unicode = str
 
+skip_on_s390x = unittest.skipIf(hasattr(os, 'uname') and os.uname().machine == 's390x',
+                                'skipped on s390x')
+
 
 class ETreeOnlyTestCase(HelperTestCase):
     """Tests only for etree, not ElementTree"""
@@ -5275,6 +5278,7 @@ class ETreeWriteTestCase(HelperTestCase)
         self.assertEqual(_bytes('<a>'+'<b/>'*200+'</a>'),
                         data)
 
+    @skip_on_s390x
     def test_write_file_gzip_parse(self):
         tree = self.parse(_bytes('<a>'+'<b/>'*200+'</a>'))
         with tempfile.NamedTemporaryFile() as f: