tests: skip 'net_if_addrs' in test_serialization QEMU on s390x musl libc

psutil/tests/__init__.py

@@ -87,7 +87,7 @@
     "HAS_IONICE", "HAS_MEMORY_MAPS", "HAS_PROC_CPU_NUM", "HAS_RLIMIT",
     "HAS_SENSORS_BATTERY", "HAS_BATTERY", "HAS_SENSORS_FANS",
     "HAS_SENSORS_TEMPERATURES", "HAS_NET_CONNECTIONS_UNIX", "MACOS_11PLUS",
-    "MACOS_12PLUS", "QEMU_USER", "COVERAGE", 'AARCH64', 'S390X',
+    "MACOS_12PLUS", "QEMU_USER", "COVERAGE", 'AARCH64', 'S390X', 'LIBC',
     # subprocesses
     'pyrun', 'terminate', 'reap_children', 'spawn_testproc', 'spawn_zombie',
     'spawn_children_pair',
@@ -137,6 +137,7 @@
 IS_64BIT = sys.maxsize > 2**32
 AARCH64 = platform.machine() == "aarch64"
 S390X = platform.machine() == "s390x"
+LIBC, _ = platform.libc_ver() if LINUX else "", ""
 
 
 @memoize

psutil/tests/test_misc.py

@@ -41,9 +41,11 @@
 from psutil.tests import HAS_SENSORS_BATTERY
 from psutil.tests import HAS_SENSORS_FANS
 from psutil.tests import HAS_SENSORS_TEMPERATURES
+from psutil.tests import LIBC
 from psutil.tests import PYTHON_EXE
 from psutil.tests import PYTHON_EXE_ENV
 from psutil.tests import QEMU_USER
+from psutil.tests import S390X
 from psutil.tests import SCRIPTS_DIR
 from psutil.tests import PsutilTestCase
 from psutil.tests import mock
@@ -289,9 +291,13 @@ def check(ret):
         for fun, name in ns.iter(ns.getters):
             if name in {"win_service_iter", "win_service_get"}:
                 continue
-            if QEMU_USER and name == "net_if_stats":
-                # OSError: [Errno 38] ioctl(SIOCETHTOOL) not implemented
-                continue
+            if QEMU_USER:
+                if name == "net_if_stats":
+                    # OSError: [Errno 38] ioctl(SIOCETHTOOL) not implemented
+                    continue
+                if S390X and LIBC != "glibc" and name == "net_if_addrs":
+                    # deadlock with QEMU on s390x musl libc
+                    continue
             with self.subTest(name=name):
                 try:
                     ret = fun()