From 4fd8b5be0a7aadd5f261578c3c8c886ba10285f8 Mon Sep 17 00:00:00 2001
From: Jiarui Yao <77535296+MaxwellJryao@users.noreply.github.com>
Date: Wed, 23 Jul 2025 21:31:43 -0700
Subject: [PATCH] support docker without kvm (#282)

---
 desktop_env/providers/docker/provider.py | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/desktop_env/providers/docker/provider.py b/desktop_env/providers/docker/provider.py
index 6fb1ee6..3d5cd20 100644
--- a/desktop_env/providers/docker/provider.py
+++ b/desktop_env/providers/docker/provider.py
@@ -97,11 +97,20 @@ class DockerProvider(Provider):
                 self.vlc_port = self._get_available_port(8080)
 
                 # Start container while still holding the lock
+                # Check if KVM is available
+                devices = []
+                if os.path.exists("/dev/kvm"):
+                    devices.append("/dev/kvm")
+                    logger.info("KVM device found, using hardware acceleration")
+                else:
+                    self.environment["KVM"] = "N"
+                    logger.warning("KVM device not found, running without hardware acceleration (will be slower)")
+
                 self.container = self.client.containers.run(
                     "happysixd/osworld-docker",
                     environment=self.environment,
                     cap_add=["NET_ADMIN"],
-                    devices=["/dev/kvm"],
+                    devices=devices,
                     volumes={
                         os.path.abspath(path_to_vm): {
                             "bind": "/System.qcow2",