diff --git a/.github/workflows/build-and-test.yml b/.github/workflows/build-and-test.yml
index d309ad9..ea4df1a 100644
--- a/.github/workflows/build-and-test.yml
+++ b/.github/workflows/build-and-test.yml
@@ -45,19 +45,32 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/download-artifact@v4
+      - uses: mlugg/setup-zig@v1
         with:
-          name: klawa
-          path: zig-out/bin
+          version: latest
       - name: Install dependencies
         shell: bash
         run: |
-          sudo apt-get install ffmpeg xdotool xvfb \
-            libc6-dbg
+          sudo apt-get install libgl-dev libxi-dev \
+            libx11-dev xserver-xorg-dev xorg-dev \
+            ffmpeg xdotool xvfb \
+            libc6-dbg util-linux
+      - name: Install debug dependencies
+        shell: bash
+        run: |
+          sudo apt install ubuntu-dbgsym-keyring
+          echo "deb http://ddebs.ubuntu.com $(lsb_release -cs) main restricted universe multiverse
+          deb http://ddebs.ubuntu.com $(lsb_release -cs)-updates main restricted universe multiverse
+          deb http://ddebs.ubuntu.com $(lsb_release -cs)-proposed main restricted universe multiverse" | \
+          sudo tee -a /etc/apt/sources.list.d/ddebs.list
+          sudo apt-get update
+          sudo apt-get install xserver-xorg-core-dbgsym libx11-6-dbgsym libxi6-dbgsym
+      - run: |
+          lscpu
+          zig build -Dcpu=znver3 -Dtarget=x86_64-native --verbose
       - name: Run tests
         shell: bash
         run: |
-          chmod +x zig-out/bin/klawa
           ldd zig-out/bin/klawa
           cd tests && ./test.sh
       - uses: actions/upload-artifact@v4
diff --git a/src/main.zig b/src/main.zig
index a631fff..262ffbd 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -576,6 +576,7 @@ pub fn main() !void {
             show_gui = !show_gui;
         }
 
+        std.debug.print("Keys pop\n", .{});
         if (keys.pop()) |k| {
             std.debug.print("Consumed: '{s}'\n", .{k.symbol});
 
@@ -599,11 +600,13 @@ pub fn main() !void {
             } else |_| {}
         }
 
+        std.debug.print("Begin drawing\n", .{});
         rl.beginDrawing();
         rl.clearBackground(rl.Color.white);
 
         const rot = rl.Vector2{ .x = 0, .y = 0 };
 
+        std.debug.print("Key states update\n", .{});
         for (key_states) |k| {
             rl.drawTexturePro(keycap_texture, k.src, k.dst, rot, k.angle, rl.Color.white);
 
@@ -679,10 +682,12 @@ pub fn main() !void {
         if (debug) {
             rl.drawFPS(10, 10);
         }
+        std.debug.print("End drawing\n", .{});
         rl.endDrawing();
         tracy.frameMark();
 
         if (res.args.render) |render_dir| {
+            std.debug.print("Start render\n", .{});
             const rendering = tracy.traceNamed(@src(), "render");
             defer rendering.end();