--- a/mercurial/loggingutil.py	Mon Jan 06 14:15:40 2025 -0500
+++ b/mercurial/loggingutil.py	Sun Jan 05 21:03:17 2025 -0500
@@ -97,7 +97,7 @@
                 maxsize=self._maxsize,
             ) as fp:
                 fp.write(line)
-        except IOError as err:
+        except OSError as err:
             ui.debug(
                 b'cannot write to %s: %s\n'
                 % (self._name, stringutil.forcebytestr(err))
@@ -119,7 +119,7 @@
         try:
             self._fp.write(line)
             self._fp.flush()
-        except IOError as err:
+        except OSError as err:
             ui.debug(
                 b'cannot write to %s: %s\n'
                 % (