diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 8977f64..14b48c5 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -33,6 +33,7 @@ jobs:
       - uses: actions/checkout@v3
         with:
           submodules: 'recursive'
+      - uses: greg-hellings/make-space@main
       - name: install dependencies
         shell: bash
         run: |
@@ -48,7 +49,6 @@ jobs:
         shell: bash
         run: |
           set -e
-          ./packerio build -var-file=${{ matrix.distro }} -var "qemu_accelerator=none" -except=upload sources
+          ./packerio build -var-file=${{ matrix.distro }} -var "qemu_accelerator=tcg" -except=upload sources
         env:
           VAGRANT_CLOUD_TOKEN: ${{ secrets.VAGRANT_CLOUD_TOKEN }}
-          PACKER_LOG: 1
diff --git a/distros/ubuntu-18.04-x86_64.pkrvars.hcl b/distros/ubuntu-18.04-x86_64.pkrvars.hcl
index c9fce47..51d326d 100644
--- a/distros/ubuntu-18.04-x86_64.pkrvars.hcl
+++ b/distros/ubuntu-18.04-x86_64.pkrvars.hcl
@@ -14,6 +14,7 @@ boot_command = [
       "auto=true priority=critical ",
       "DEBIAN_FRONTEND=noninteractive ",
       "preseed/url=http://{{.HTTPIP}}:{{.HTTPPort}}/ubuntu/18.04/preseed.cfg ",
+      "console=ttyS0 ",
       "<enter><wait1>"
 ]
 ssh_handshake_attempts = 1000
diff --git a/distros/ubuntu-20.04-x86_64.pkrvars.hcl b/distros/ubuntu-20.04-x86_64.pkrvars.hcl
index 925e3ae..714c470 100644
--- a/distros/ubuntu-20.04-x86_64.pkrvars.hcl
+++ b/distros/ubuntu-20.04-x86_64.pkrvars.hcl
@@ -8,6 +8,7 @@ iso = {
 boot_wait = "3s"
 boot_command = [
   "<enter><enter><wait1><f6><esc><wait><bs><bs><bs><bs>",
+  "console=ttyS0 ",
   "autoinstall ds=nocloud-net;s=http://{{.HTTPIP}}:{{.HTTPPort}}/ubuntu/20.04/<enter><wait>"
 ]
 ssh_handshake_attempts = 1000
diff --git a/distros/ubuntu-22.04-x86_64.pkrvars.hcl b/distros/ubuntu-22.04-x86_64.pkrvars.hcl
index 2dd045d..cac194b 100644
--- a/distros/ubuntu-22.04-x86_64.pkrvars.hcl
+++ b/distros/ubuntu-22.04-x86_64.pkrvars.hcl
@@ -8,6 +8,7 @@ iso = {
 boot_wait = "15s"
 boot_command = [
   "e<down><down><down><end><bs><bs><bs>",
+  "console=ttyS0 ",
   "autoinstall ds=\"nocloud-net;s=http://{{.HTTPIP}}:{{.HTTPPort}}/ubuntu/22.04/\" console=ttyS0<F10>"
 ]
 ssh_handshake_attempts = 1000