From af876fe604cd73930808a0f4c57f86ff0b5495a5 Mon Sep 17 00:00:00 2001
From: firestar5683 <168790843+firestar5683@users.noreply.github.com>
Date: Tue, 7 Oct 2025 20:32:20 -0500
Subject: [PATCH] error?

---
 common/realtime.py | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/common/realtime.py b/common/realtime.py
index dd97ea3d7..490a5c6d2 100644
--- a/common/realtime.py
+++ b/common/realtime.py
@@ -6,6 +6,7 @@ from collections import deque
 
 from setproctitle import getproctitle
 
+from openpilot.common.swaglog import cloudlog
 from openpilot.system.hardware import PC
 
 
@@ -34,7 +35,17 @@ def set_realtime_priority(level: int) -> None:
 
 def set_core_affinity(cores: list[int]) -> None:
   if not PC:
-    os.sched_setaffinity(0, cores)
+    for attempt in range(3):  # Retry up to 3 times
+      try:
+        os.sched_setaffinity(0, cores)
+        return
+      except OSError as e:
+        if e.errno == 22:  # EINVAL
+          time.sleep(0.1)  # Brief delay before retry
+        else:
+          raise  # Re-raise other errors
+    # If all retries fail, log and continue without affinity
+    cloudlog.error(f"Failed to set core affinity after retries: {cores}")
 
 
 def config_realtime_process(cores: int | list[int], priority: int) -> None: