Merge tag 'pull-request-2025-07-21' of https://gitlab.com/thuth/qemu into staging

* Remove unused 32-bit arm Linux headers
* Fix some small issues in the functional tests and docs

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* tag 'pull-request-2025-07-21' of https://gitlab.com/thuth/qemu:
  docs/devel: fix over-quoting of QEMU_TEST_KEEP_SCRATCH
  functional: always enable all python warnings
  functional: ensure sockets and files are closed
  functional: ensure log handlers are closed
  linux-headers: Remove the 32-bit arm headers

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

3 files changed, 11 insertions, 0 deletions

diff --git a/tests/functional/qemu_test/testcase.py b/tests/functional/qemu_test/testcase.py
index 2082c6f..2a78e73 100644
--- a/tests/functional/qemu_test/testcase.py
+++ b/tests/functional/qemu_test/testcase.py
@@ -19,6 +19,7 @@ import shutil
 from subprocess import run
 import sys
 import tempfile
+import warnings
 import unittest
 import uuid
 
@@ -232,8 +233,12 @@ class QemuBaseTest(unittest.TestCase):
             self.socketdir = None
         self.machinelog.removeHandler(self._log_fh)
         self.log.removeHandler(self._log_fh)
+        self._log_fh.close()
 
     def main():
+        warnings.simplefilter("default")
+        os.environ["PYTHONWARNINGS"] = "default"
+
         path = os.path.basename(sys.argv[0])[:-3]
 
         cache = os.environ.get("QEMU_TEST_PRECACHE", None)
@@ -399,4 +404,5 @@ class QemuSystemTest(QemuBaseTest):
         for vm in self._vms.values():
             vm.shutdown()
         logging.getLogger('console').removeHandler(self._console_log_fh)
+        self._console_log_fh.close()
         super().tearDown()
diff --git a/tests/functional/test_multiprocess.py b/tests/functional/test_multiprocess.py
index 751cf10..92d5207 100755
--- a/tests/functional/test_multiprocess.py
+++ b/tests/functional/test_multiprocess.py
@@ -83,6 +83,9 @@ class Multiprocess(QemuSystemTest):
                                           'cat /sys/bus/pci/devices/*/uevent',
                                           'PCI_ID=1000:0012')
 
+        proxy_sock.close()
+        remote_sock.close()
+
     def test_multiprocess(self):
         kernel_command_line = self.KERNEL_COMMON_COMMAND_LINE
         if self.arch == 'x86_64':
diff --git a/tests/functional/test_virtio_gpu.py b/tests/functional/test_virtio_gpu.py
index 81c9156..be96de2 100755
--- a/tests/functional/test_virtio_gpu.py
+++ b/tests/functional/test_virtio_gpu.py
@@ -108,6 +108,7 @@ class VirtioGPUx86(QemuSystemTest):
             shell=False,
             close_fds=False,
         )
+        self._vug_log_file.close()
 
         self.vm.set_console()
         self.vm.add_args("-cpu", "host")
@@ -135,6 +136,7 @@ class VirtioGPUx86(QemuSystemTest):
                                           "features: +virgl +edid")
         self.vm.shutdown()
         qemu_sock.close()
+        vug_sock.close()
         vugp.terminate()
         vugp.wait()