Added SleepLoopRenderTimer because of libnvidia-glcore.so crashes

src/Avalonia.Visuals/Rendering/SleepLoopRenderTimer.cs

@@ -0,0 +1,33 @@
+using System;
+using System.Diagnostics;
+using System.Threading;
+
+namespace Avalonia.Rendering
+{
+    public class SleepLoopRenderTimer : IRenderTimer
+    {
+        public event Action<TimeSpan> Tick;
+
+        public SleepLoopRenderTimer(int fps)
+        {
+            var timeBetweenTicks = TimeSpan.FromSeconds(1d / fps);
+            new Thread(() =>
+            {
+                var st = Stopwatch.StartNew();
+                var now = st.Elapsed;
+                var lastTick = now;
+
+                while (true)
+                {
+                    var timeTillNextTick = lastTick + timeBetweenTicks - now;
+                    if (timeTillNextTick.TotalMilliseconds > 1)
+                        Thread.Sleep(timeTillNextTick);
+
+
+                    Tick?.Invoke(now);
+                    now = st.Elapsed;
+                }
+            }) { IsBackground = true }.Start();
+        }
+    }
+}

src/Avalonia.X11/X11Platform.cs

@@ -47,7 +47,7 @@ namespace Avalonia.X11
             AvaloniaLocator.CurrentMutable.BindToSelf(this)
                 .Bind<IWindowingPlatform>().ToConstant(this)
                 .Bind<IPlatformThreadingInterface>().ToConstant(new X11PlatformThreading(this))
-                .Bind<IRenderTimer>().ToConstant(new DefaultRenderTimer(60))
+                .Bind<IRenderTimer>().ToConstant(new SleepLoopRenderTimer(60))
                 .Bind<IRenderLoop>().ToConstant(new RenderLoop())
                 .Bind<PlatformHotkeyConfiguration>().ToConstant(new PlatformHotkeyConfiguration(KeyModifiers.Control))
                 .Bind<IKeyboardDevice>().ToFunc(() => KeyboardDevice)