From e2faf906def0f07b9ea008cbeda946780195e665 Mon Sep 17 00:00:00 2001
From: Pascal Vizeli <pvizeli@syshack.ch>
Date: Mon, 22 Feb 2021 14:02:36 +0100
Subject: [PATCH] Use the cpu_rt support check also for rtprio (#2605)

---
 supervisor/docker/addon.py | 2 +-
 supervisor/docker/audio.py | 2 ++
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/supervisor/docker/addon.py b/supervisor/docker/addon.py
index 53e379043..927799e25 100644
--- a/supervisor/docker/addon.py
+++ b/supervisor/docker/addon.py
@@ -265,7 +265,7 @@ class DockerAddon(DockerInterface):
         limits: List[docker.types.Ulimit] = []
 
         # Need schedule functions
-        if self.addon.with_realtime:
+        if self.addon.with_realtime and self.sys_docker.info.support_cpu_realtime:
             limits.append(docker.types.Ulimit(name="rtprio", soft=99))
 
         # Return None if no capabilities is present
diff --git a/supervisor/docker/audio.py b/supervisor/docker/audio.py
index 08226fccf..2f9a27454 100644
--- a/supervisor/docker/audio.py
+++ b/supervisor/docker/audio.py
@@ -59,6 +59,8 @@ class DockerAudio(DockerInterface, CoreSysAttributes):
     @property
     def ulimits(self) -> List[docker.types.Ulimit]:
         """Generate ulimits for audio."""
+        if not self.sys_docker.info.support_cpu_realtime:
+            return None
         return [docker.types.Ulimit(name="rtprio", soft=99)]
 
     @property