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-rw-r--r--nixos/modules/installer/cd-dvd/iso-image.nix4
1 files changed, 4 insertions, 0 deletions
diff --git a/nixos/modules/installer/cd-dvd/iso-image.nix b/nixos/modules/installer/cd-dvd/iso-image.nix
index c9abff2ecfc0..3712d3723d08 100644
--- a/nixos/modules/installer/cd-dvd/iso-image.nix
+++ b/nixos/modules/installer/cd-dvd/iso-image.nix
@@ -218,6 +218,8 @@ in
     system.boot.loader.kernelFile = "bzImage";
     environment.systemPackages = [ pkgs.grub2 pkgs.grub2_efi pkgs.syslinux ];
 
+    boot.consoleLogLevel = 7;
+
     # In stage 1 of the boot, mount the CD as the root FS by label so
     # that we don't need to know its device.  We pass the label of the
     # root filesystem on the kernel command line, rather than in
@@ -229,6 +231,8 @@ in
     boot.kernelParams =
       [ "root=LABEL=${config.isoImage.volumeID}"
         "boot.shell_on_fail"
+        "nomodeset"
+        "systemd.log_level=debug"
       ];
 
     fileSystems."/" =