Fix UEFI boot by mounting efivarfs and forcing systemd-boot install

iridium_installer/backend/os_install.py

@@ -76,7 +76,7 @@ def run_command(cmd, check=True):
 @contextmanager
 def mount_pseudo_fs(mount_root):
     """
-    Context manager to bind mount /dev, /proc, and /sys into mount_root.
+    Context manager to bind mount /dev, /proc, /sys, and efivarfs into mount_root.
     """
     logger.info(f"Mounting pseudo-filesystems to {mount_root}...")
     mounts = ["dev", "proc", "sys"]
@@ -88,6 +88,18 @@ def mount_pseudo_fs(mount_root):
             os.makedirs(target, exist_ok=True)
             run_command(["mount", "--bind", f"/{fs}", target])
             mounted_paths.append(target)
+        
+        # Mount efivarfs if it exists on the host
+        efivars_path = "/sys/firmware/efi/efivars"
+        if os.path.exists(efivars_path):
+            target = os.path.join(mount_root, "sys/firmware/efi/efivars")
+            os.makedirs(target, exist_ok=True)
+            try:
+                run_command(["mount", "-t", "efivarfs", "efivarfs", target])
+                mounted_paths.append(target)
+            except Exception as e:
+                logger.warning(f"Failed to mount efivarfs: {e}")
+
         yield
     finally:
         logger.info(f"Unmounting pseudo-filesystems from {mount_root}...")
@@ -111,6 +123,7 @@ def install_minimal_os(mount_root, releasever="43"):
         "coreutils",
         "kernel",
         "systemd",
+        "systemd-boot-unsigned",
         "dnf",
         "efibootmgr",
         "passwd",
@@ -211,10 +224,13 @@ UUID={efi_uuid} /boot vfat defaults 0 2
         os.makedirs(os.path.join(mount_root, "etc/kernel"), exist_ok=True)
         with open(os.path.join(mount_root, "etc/kernel/cmdline"), "w") as f:
             f.write(f"root=UUID={root_uuid} rw quiet\n")
+        
+        # Set kernel layout to BLS for systemd-boot
+        with open(os.path.join(mount_root, "etc/kernel/layout"), "w") as f:
+            f.write("bls\n")
 
         # Install systemd-boot to the ESP (mounted at /boot)
-        # Use --path=/boot to be explicit, though standard behavior usually finds it.
+        run_command(["chroot", mount_root, "bootctl", "install", "--path=/boot", "--force"])
-        run_command(["chroot", mount_root, "bootctl", "install", "--path=/boot"])
 
         # Add kernel entries
         modules_dir = os.path.join(mount_root, "lib/modules")
@@ -240,6 +256,9 @@ UUID={efi_uuid} /boot vfat defaults 0 2
                     cmd.append(initrd_arg)
                 
                 run_command(cmd)
+        
+        # Ensure all data is synced to disk
+        run_command(["sync"])
 
     logger.info("System configuration complete.")
     log_os_install("CONFIGURE", "complete", "systemd-boot and user configured successfully")

log

@@ -0,0 +1,45 @@
+[2026-02-05 13:43:32] [SESSION_START] [installer] Iridium Installer started - Session: 70aaf88c - Mode: PRODUCTION
+[2026-02-05 13:43:34] [NAVIGATION_NEXT] [installer] Session: 70aaf88c - Page: welcome - Mode: PRODUCTION
+[2026-02-05 13:43:36] [NAVIGATION_NEXT] [installer] Session: 70aaf88c - Page: storage - Mode: PRODUCTION
+[2026-02-05 13:43:36] [SELECTION] [installer] Session: 70aaf88c - Selected disk: /dev/vda
+[2026-02-05 13:43:37] [NAVIGATION_NEXT] [installer] Session: 70aaf88c - Page: install_mode - Mode: PRODUCTION
+[2026-02-05 13:43:37] [SELECTION] [installer] Session: 70aaf88c - Install mode: automatic
+[2026-02-05 13:43:38] [NAVIGATION_NEXT] [installer] Session: 70aaf88c - Page: modules - Mode: PRODUCTION
+[2026-02-05 13:43:38] [SELECTION] [installer] Session: 70aaf88c - Selected modules: []
+[2026-02-05 13:43:45] [NAVIGATION_NEXT] [installer] Session: 70aaf88c - Page: user - Mode: PRODUCTION
+[2026-02-05 13:43:45] [SELECTION] [installer] Session: 70aaf88c - User: admin, Hostname: iridium, Sudo: False
+[2026-02-05 13:43:46] [NAVIGATION_NEXT] [installer] Session: 70aaf88c - Page: summary - Mode: PRODUCTION
+[2026-02-05 13:43:46] [INSTALL_START] [installer] Session: 70aaf88c - Disk: /dev/vda - Mode: automatic - Modules: [] - Mock: False
+[2026-02-05 13:43:46] [INSTALL_PROGRESS] [installer] Session: 70aaf88c - Starting partitioning on /dev/vda
+[2026-02-05 13:43:46] [INFO] [iridium_installer] Starting auto-partitioning on /dev/vda
+[2026-02-05 13:43:46] [INFO] [disk] DISK_PARTITION_start: Disk: /dev/vda
+[2026-02-05 13:43:46] [INFO] [iridium_installer] Ensuring all partitions on /dev/vda are unmounted...
+[2026-02-05 13:43:46] [INFO] [iridium_installer] Running command: lsblk -nlo NAME,MOUNTPOINT /dev/vda
+[2026-02-05 13:43:46] [INFO] [iridium_installer] vda
+[2026-02-05 13:43:46] [INFO] [iridium_installer] vda1
+[2026-02-05 13:43:46] [INFO] [iridium_installer] vda2
+[2026-02-05 13:43:46] [INFO] [iridium_installer] Running command: lsblk -lpno NAME,MOUNTPOINT /dev/vda
+[2026-02-05 13:43:46] [INFO] [iridium_installer] /dev/vda
+[2026-02-05 13:43:46] [INFO] [iridium_installer] /dev/vda1
+[2026-02-05 13:43:46] [INFO] [iridium_installer] /dev/vda2
+[2026-02-05 13:43:46] [INFO] [iridium_installer] Running command: blockdev --getsize64 /dev/vda
+[2026-02-05 13:43:46] [INFO] [iridium_installer] 21474836480
+[2026-02-05 13:43:46] [WARN] [iridium_installer] Disk too small for standard layout. Adjusting...
+[2026-02-05 13:43:46] [INFO] [iridium_installer] Running command: sgdisk -Z /dev/vda
+[2026-02-05 13:43:48] [INFO] [iridium_installer] GPT data structures destroyed! You may now partition the disk using fdisk or
+[2026-02-05 13:43:48] [INFO] [iridium_installer] other utilities.
+[2026-02-05 13:43:48] [INFO] [iridium_installer] Running command: sgdisk -o /dev/vda
+[2026-02-05 13:43:49] [INFO] [iridium_installer] Creating new GPT entries in memory.
+[2026-02-05 13:43:49] [INFO] [iridium_installer] The operation has completed successfully.
+[2026-02-05 13:43:49] [INFO] [iridium_installer] Running command: sgdisk -n 1:0:+1024M -t 1:ef00 -c 1:EFI System /dev/vda
+[2026-02-05 13:43:50] [INFO] [iridium_installer] The operation has completed successfully.
+[2026-02-05 13:43:50] [INFO] [iridium_installer] Running command: sgdisk -n 2:0:0 -t 2:8300 -c 2:Root /dev/vda
+[2026-02-05 13:43:51] [INFO] [iridium_installer] The operation has completed successfully.
+[2026-02-05 13:43:51] [INFO] [iridium_installer] Running command: partprobe /dev/vda
+[2026-02-05 13:43:52] [INFO] [iridium_installer] Formatting EFI partition...
+[2026-02-05 13:43:52] [INFO] [iridium_installer] Running command: mkfs.vfat -F32 /dev/vda1
+[2026-02-05 13:43:53] [INFO] [iridium_installer] mkfs.fat 4.2 (2021-01-31)
+[2026-02-05 13:43:53] [INFO] [iridium_installer] Formatting Root partition...
+[2026-02-05 13:43:53] [INFO] [iridium_installer] Running command: mkfs.ext4 -F /dev/vda2
+[2026-02-05 13:43:53] [ERROR] [iridium_installer] mke2fs 1.47.3 (8-Jul-2025)
+[2026-02-05 13:43:53] [INFO] [iridium_installer] Discarding device blocks:       0/4980475

run_vm_uefi.sh

@@ -33,7 +33,7 @@ qemu-system-x86_64 \
     -drive if=pflash,format=raw,readonly=on,file="$OVMF_CODE" \
     -drive if=pflash,format=qcow2,file="$OVMF_VARS_LOCAL" \
     -drive file="$DISK_PATH",format=qcow2,if=virtio \
-    -cdrom "$ISO_PATH" \
+#    -cdrom "$ISO_PATH" \
     -boot once=d \
     -netdev user,id=net0 \
     -device virtio-net-pci,netdev=net0 \
@@ -41,4 +41,4 @@ qemu-system-x86_64 \
     -display gtk,gl=on \
     -monitor unix:$HOME/.local/share/iridium-installer-vm/monitor.sock,server,nowait \
     -name "Iridium Installer Test VM (UEFI)" \
-    -loadvm clean-state
+#    -loadvm clean-state