archinstall fails on latitude7280

[AuthenticSm1les]

Which ISO version are you using?

2026.03.01

The installation log

[2026-03-23 15:59:57] - DEBUG - Hardware model detected: Dell Inc. Latitude 7280; UEFI mode: True
[2026-03-23 15:59:57] - DEBUG - Processor model detected: Intel(R) Core(TM) i7-7600U CPU @ 2.80GHz
[2026-03-23 15:59:57] - DEBUG - Memory statistics: 6440056 available out of 8000820 total installed
[2026-03-23 15:59:57] - DEBUG - Could not detect virtual system: ['/usr/bin/systemd-detect-virt'] exited with abnormal exit code [1]: none

[2026-03-23 15:59:57] - DEBUG - System is not running in a VM: ['/usr/bin/systemd-detect-virt'] exited with abnormal exit code [1]: none

[2026-03-23 15:59:57] - DEBUG - Virtualization detected: None; is VM: False
[2026-03-23 15:59:57] - DEBUG - Graphics devices detected: dict_keys(['Intel Corporation Kaby Lake-U GT2 [HD Graphics 620] (rev 02)'])
[2026-03-23 15:59:57] - DEBUG - Disk states before installing:
{
    "blockdevices": [
        {
            "name": "loop0",
            "path": "/dev/loop0",
            "pkname": null,
            "log_sec": 512,
            "size": "955 MiB",
            "pttype": null,
            "ptuuid": null,
            "rota": false,
            "tran": null,
            "partn": null,
            "partuuid": null,
            "parttype": null,
            "uuid": null,
            "fstype": "squashfs",
            "fsver": "4.0",
            "fsavail": 0,
            "fsuse_percentage": "100%",
            "type": "loop",
            "mountpoint": "/run/archiso/airootfs",
            "mountpoints": [
                "/run/archiso/airootfs"
            ],
            "fsroots": [
                "/"
            ],
            "children": []
        },
        {
            "name": "sda",
            "path": "/dev/sda",
            "pkname": null,
            "log_sec": 512,
            "size": "14800 MiB",
            "pttype": "dos",
            "ptuuid": "f177ce2f",
            "rota": true,
            "tran": "usb",
            "partn": null,
            "partuuid": null,
            "parttype": null,
            "uuid": "2026-03-01-10-44-11-00",
            "fstype": "iso9660",
            "fsver": "Joliet Extension",
            "fsavail": null,
            "fsuse_percentage": null,
            "type": "disk",
            "mountpoint": null,
            "mountpoints": [],
            "fsroots": [],
            "children": [
                {
                    "name": "sda1",
                    "path": "/dev/sda1",
                    "pkname": "sda",
                    "log_sec": 512,
                    "size": "1200 MiB",
                    "pttype": "dos",
                    "ptuuid": "f177ce2f",
                    "rota": true,
                    "tran": null,
                    "partn": 1,
                    "partuuid": "f177ce2f-01",
                    "parttype": "0x0",
                    "uuid": "2026-03-01-10-44-11-00",
                    "fstype": "iso9660",
                    "fsver": "Joliet Extension",
                    "fsavail": null,
                    "fsuse_percentage": null,
                    "type": "part",
                    "mountpoint": null,
                    "mountpoints": [],
                    "fsroots": [],
                    "children": []
                },
                {
                    "name": "sda2",
                    "path": "/dev/sda2",
                    "pkname": "sda",
                    "log_sec": 512,
                    "size": "251 MiB",
                    "pttype": "dos",
                    "ptuuid": "f177ce2f",
                    "rota": true,
                    "tran": null,
                    "partn": 2,
                    "partuuid": "f177ce2f-02",
                    "parttype": "0xef",
                    "uuid": "69A4-187B",
                    "fstype": "vfat",
                    "fsver": "FAT32",
                    "fsavail": null,
                    "fsuse_percentage": null,
                    "type": "part",
                    "mountpoint": null,
                    "mountpoints": [],
                    "fsroots": [],
                    "children": []
                }
            ]
        },
        {
            "name": "nvme0n1",
            "path": "/dev/nvme0n1",
            "pkname": null,
            "log_sec": 512,
            "size": "244198 MiB",
            "pttype": "gpt",
            "ptuuid": "9463aedd-9887-44b3-a921-e5cc41b1176f",
            "rota": false,
            "tran": "nvme",
            "partn": null,
            "partuuid": null,
            "parttype": null,
            "uuid": null,
            "fstype": null,
            "fsver": null,
            "fsavail": null,
            "fsuse_percentage": null,
            "type": "disk",
            "mountpoint": null,
            "mountpoints": [],
            "fsroots": [],
            "children": []
        }
    ]
}
[2026-03-23 16:00:02] - INFO - Fetching Arch Linux package database...
[2026-03-23 16:03:50] - DEBUG - 
[2026-03-23 16:03:50] - ERROR - Failed to sync Arch Linux package database.
[2026-03-23 16:03:50] - ERROR - Run archinstall --debug and check /var/log/archinstall/install.log for details.
[2026-03-23 16:03:50] - DEBUG - Failed to sync Arch Linux package database: ['/usr/bin/pacman', '-Sy'] exited with abnormal exit code [None]: ######-]  96%
 extra                   7.8 MiB  41.9 KiB/s 00:07 [#####################-]  96%
 extra                   7.8 MiB  27.9 KiB/s 00:10 [#####################-]  96%
 extra                   7.8 MiB  40.2 KiB/s 00:07 [#####################-]  96%
 extra                   7.8 MiB  45.2 KiB/s 00:06 [#####################-]  96%
 extra                   7.8 MiB  30.1 KiB/s 00:09 [#####################-]  96%
 extra                   7.8 MiB  38.1 KiB/s 00:06 [#####################-]  96%
[2026-03-23 16:07:58] - DEBUG - Hardware model detected: Dell Inc. Latitude 7280; UEFI mode: True
[2026-03-23 16:07:58] - DEBUG - Processor model detected: Intel(R) Core(TM) i7-7600U CPU @ 2.80GHz
[2026-03-23 16:07:58] - DEBUG - Memory statistics: 6408036 available out of 8000820 total installed
[2026-03-23 16:07:58] - DEBUG - Could not detect virtual system: ['/usr/bin/systemd-detect-virt'] exited with abnormal exit code [1]: none

[2026-03-23 16:07:58] - DEBUG - System is not running in a VM: ['/usr/bin/systemd-detect-virt'] exited with abnormal exit code [1]: none

[2026-03-23 16:07:58] - DEBUG - Virtualization detected: None; is VM: False
[2026-03-23 16:07:58] - DEBUG - Graphics devices detected: dict_keys(['Intel Corporation Kaby Lake-U GT2 [HD Graphics 620] (rev 02)'])
[2026-03-23 16:07:58] - DEBUG - Disk states before installing:
{
    "blockdevices": [
        {
            "name": "loop0",
            "path": "/dev/loop0",
            "pkname": null,
            "log_sec": 512,
            "size": "955 MiB",
            "pttype": null,
            "ptuuid": null,
            "rota": false,
            "tran": null,
            "partn": null,
            "partuuid": null,
            "parttype": null,
            "uuid": null,
            "fstype": "squashfs",
            "fsver": "4.0",
            "fsavail": 0,
            "fsuse_percentage": "100%",
            "type": "loop",
            "mountpoint": "/run/archiso/airootfs",
            "mountpoints": [
                "/run/archiso/airootfs"
            ],
            "fsroots": [
                "/"
            ],
            "children": []
        },
        {
            "name": "sda",
            "path": "/dev/sda",
            "pkname": null,
            "log_sec": 512,
            "size": "14800 MiB",
            "pttype": "dos",
            "ptuuid": "f177ce2f",
            "rota": true,
            "tran": "usb",
            "partn": null,
            "partuuid": null,
            "parttype": null,
            "uuid": "2026-03-01-10-44-11-00",
            "fstype": "iso9660",
            "fsver": "Joliet Extension",
            "fsavail": null,
            "fsuse_percentage": null,
            "type": "disk",
            "mountpoint": null,
            "mountpoints": [],
            "fsroots": [],
            "children": [
                {
                    "name": "sda1",
                    "path": "/dev/sda1",
                    "pkname": "sda",
                    "log_sec": 512,
                    "size": "1200 MiB",
                    "pttype": "dos",
                    "ptuuid": "f177ce2f",
                    "rota": true,
                    "tran": null,
                    "partn": 1,
                    "partuuid": "f177ce2f-01",
                    "parttype": "0x0",
                    "uuid": "2026-03-01-10-44-11-00",
                    "fstype": "iso9660",
                    "fsver": "Joliet Extension",
                    "fsavail": null,
                    "fsuse_percentage": null,
                    "type": "part",
                    "mountpoint": null,
                    "mountpoints": [],
                    "fsroots": [],
                    "children": []
                },
                {
                    "name": "sda2",
                    "path": "/dev/sda2",
                    "pkname": "sda",
                    "log_sec": 512,
                    "size": "251 MiB",
                    "pttype": "dos",
                    "ptuuid": "f177ce2f",
                    "rota": true,
                    "tran": null,
                    "partn": 2,
                    "partuuid": "f177ce2f-02",
                    "parttype": "0xef",
                    "uuid": "69A4-187B",
                    "fstype": "vfat",
                    "fsver": "FAT32",
                    "fsavail": null,
                    "fsuse_percentage": null,
                    "type": "part",
                    "mountpoint": null,
                    "mountpoints": [],
                    "fsroots": [],
                    "children": []
                }
            ]
        },
        {
            "name": "nvme0n1",
            "path": "/dev/nvme0n1",
            "pkname": null,
            "log_sec": 512,
            "size": "244198 MiB",
            "pttype": "gpt",
            "ptuuid": "9463aedd-9887-44b3-a921-e5cc41b1176f",
            "rota": false,
            "tran": "nvme",
            "partn": null,
            "partuuid": null,
            "parttype": null,
            "uuid": null,
            "fstype": null,
            "fsver": null,
            "fsavail": null,
            "fsuse_percentage": null,
            "type": "disk",
            "mountpoint": null,
            "mountpoints": [],
            "fsroots": [],
            "children": []
        }
    ]
}
[2026-03-23 16:08:03] - INFO - Fetching Arch Linux package database...
[2026-03-23 16:08:03] - INFO - Checking version...
[2026-03-23 16:08:03] - DEBUG - Failed to check for package upgrades: archinstall
[2026-03-23 16:08:03] - DEBUG - No archinstall upgrades found
[2026-03-23 16:08:03] - DEBUG - Running from ISO (Live Mode)...
[2026-03-23 16:09:47] - DEBUG - load mirrors: True
[2026-03-23 16:10:22] - DEBUG - Creating yescrypt hash with rounds 5
[2026-03-23 16:10:57] - DEBUG - Creating yescrypt hash with rounds 5
[2026-03-23 16:11:05] - DEBUG - Creating yescrypt hash with rounds 5
[2026-03-23 16:11:15] - DEBUG - Importing profile: /usr/lib/python3.14/site-packages/archinstall/default_profiles/__init__.py
[2026-03-23 16:11:15] - DEBUG - Importing profile: /usr/lib/python3.14/site-packages/archinstall/default_profiles/custom.py
[2026-03-23 16:11:15] - DEBUG - Importing profile: /usr/lib/python3.14/site-packages/archinstall/default_profiles/desktop.py
[2026-03-23 16:11:15] - DEBUG - Importing profile: /usr/lib/python3.14/site-packages/archinstall/default_profiles/minimal.py
[2026-03-23 16:11:15] - DEBUG - Importing profile: /usr/lib/python3.14/site-packages/archinstall/default_profiles/server.py
[2026-03-23 16:11:15] - DEBUG - Importing profile: /usr/lib/python3.14/site-packages/archinstall/default_profiles/tailored.py
[2026-03-23 16:11:15] - DEBUG - Importing profile: /usr/lib/python3.14/site-packages/archinstall/default_profiles/xorg.py
[2026-03-23 16:11:15] - DEBUG - Importing profile: /usr/lib/python3.14/site-packages/archinstall/default_profiles/desktops/__init__.py
[2026-03-23 16:11:15] - DEBUG - Importing profile: /usr/lib/python3.14/site-packages/archinstall/default_profiles/desktops/awesome.py
[2026-03-23 16:11:15] - DEBUG - Importing profile: /usr/lib/python3.14/site-packages/archinstall/default_profiles/desktops/bspwm.py
[2026-03-23 16:11:15] - DEBUG - Importing profile: /usr/lib/python3.14/site-packages/archinstall/default_profiles/desktops/budgie.py
[2026-03-23 16:11:15] - DEBUG - Importing profile: /usr/lib/python3.14/site-packages/archinstall/default_profiles/desktops/cinnamon.py
[2026-03-23 16:11:15] - DEBUG - Importing profile: /usr/lib/python3.14/site-packages/archinstall/default_profiles/desktops/cosmic.py
[2026-03-23 16:11:15] - DEBUG - Importing profile: /usr/lib/python3.14/site-packages/archinstall/default_profiles/desktops/cutefish.py
[2026-03-23 16:11:15] - DEBUG - Importing profile: /usr/lib/python3.14/site-packages/archinstall/default_profiles/desktops/deepin.py
[2026-03-23 16:11:15] - DEBUG - Importing profile: /usr/lib/python3.14/site-packages/archinstall/default_profiles/desktops/enlightenment.py
[2026-03-23 16:11:15] - DEBUG - Importing profile: /usr/lib/python3.14/site-packages/archinstall/default_profiles/desktops/gnome.py
[2026-03-23 16:11:15] - DEBUG - Importing profile: /usr/lib/python3.14/site-packages/archinstall/default_profiles/desktops/hyprland.py
[2026-03-23 16:11:15] - DEBUG - Importing profile: /usr/lib/python3.14/site-packages/archinstall/default_profiles/desktops/i3.py
[2026-03-23 16:11:15] - DEBUG - Importing profile: /usr/lib/python3.14/site-packages/archinstall/default_profiles/desktops/labwc.py
[2026-03-23 16:11:15] - DEBUG - Importing profile: /usr/lib/python3.14/site-packages/archinstall/default_profiles/desktops/lxqt.py
[2026-03-23 16:11:15] - DEBUG - Importing profile: /usr/lib/python3.14/site-packages/archinstall/default_profiles/desktops/mate.py
[2026-03-23 16:11:15] - DEBUG - Importing profile: /usr/lib/python3.14/site-packages/archinstall/default_profiles/desktops/niri.py
[2026-03-23 16:11:15] - DEBUG - Importing profile: /usr/lib/python3.14/site-packages/archinstall/default_profiles/desktops/plasma.py
[2026-03-23 16:11:15] - DEBUG - Importing profile: /usr/lib/python3.14/site-packages/archinstall/default_profiles/desktops/qtile.py
[2026-03-23 16:11:15] - DEBUG - Importing profile: /usr/lib/python3.14/site-packages/archinstall/default_profiles/desktops/river.py
[2026-03-23 16:11:15] - DEBUG - Importing profile: /usr/lib/python3.14/site-packages/archinstall/default_profiles/desktops/sway.py
[2026-03-23 16:11:15] - DEBUG - Importing profile: /usr/lib/python3.14/site-packages/archinstall/default_profiles/desktops/xfce4.py
[2026-03-23 16:11:15] - DEBUG - Importing profile: /usr/lib/python3.14/site-packages/archinstall/default_profiles/desktops/xmonad.py
[2026-03-23 16:11:15] - DEBUG - Importing profile: /usr/lib/python3.14/site-packages/archinstall/default_profiles/servers/__init__.py
[2026-03-23 16:11:15] - DEBUG - Importing profile: /usr/lib/python3.14/site-packages/archinstall/default_profiles/servers/cockpit.py
[2026-03-23 16:11:15] - DEBUG - Importing profile: /usr/lib/python3.14/site-packages/archinstall/default_profiles/servers/docker.py
[2026-03-23 16:11:15] - DEBUG - Importing profile: /usr/lib/python3.14/site-packages/archinstall/default_profiles/servers/httpd.py
[2026-03-23 16:11:15] - DEBUG - Importing profile: /usr/lib/python3.14/site-packages/archinstall/default_profiles/servers/lighttpd.py
[2026-03-23 16:11:15] - DEBUG - Importing profile: /usr/lib/python3.14/site-packages/archinstall/default_profiles/servers/mariadb.py
[2026-03-23 16:11:15] - DEBUG - Importing profile: /usr/lib/python3.14/site-packages/archinstall/default_profiles/servers/nginx.py
[2026-03-23 16:11:15] - DEBUG - Importing profile: /usr/lib/python3.14/site-packages/archinstall/default_profiles/servers/postgresql.py
[2026-03-23 16:11:15] - DEBUG - Importing profile: /usr/lib/python3.14/site-packages/archinstall/default_profiles/servers/sshd.py
[2026-03-23 16:11:15] - DEBUG - Importing profile: /usr/lib/python3.14/site-packages/archinstall/default_profiles/servers/tomcat.py
[2026-03-23 16:13:03] - DEBUG -  -- Chosen configuration --
[2026-03-23 16:13:03] - DEBUG - {
    "app_config": {
        "audio_config": {
            "audio": "pipewire"
        },
        "bluetooth_config": {
            "enabled": true
        },
        "power_management_config": {
            "power_management": "power-profiles-daemon"
        },
        "print_service_config": {
            "enabled": true
        }
    },
    "archinstall-language": "English",
    "auth_config": {},
    "bootloader_config": {
        "bootloader": "Systemd-boot",
        "removable": false,
        "uki": true
    },
    "custom_commands": [],
    "disk_config": {
        "btrfs_options": {
            "snapshot_config": null
        },
        "config_type": "default_layout",
        "device_modifications": [
            {
                "device": "/dev/nvme0n1",
                "partitions": [
                    {
                        "btrfs": [],
                        "dev_path": null,
                        "flags": [
                            "boot",
                            "esp"
                        ],
                        "fs_type": "fat32",
                        "mount_options": [],
                        "mountpoint": "/boot",
                        "obj_id": "2b48eca1-f323-44ea-847e-5057e70f201d",
                        "size": {
                            "sector_size": {
                                "unit": "B",
                                "value": 512
                            },
                            "unit": "GiB",
                            "value": 1
                        },
                        "start": {
                            "sector_size": {
                                "unit": "B",
                                "value": 512
                            },
                            "unit": "MiB",
                            "value": 1
                        },
                        "status": "create",
                        "type": "primary"
                    },
                    {
                        "btrfs": [],
                        "dev_path": null,
                        "flags": [],
                        "fs_type": "ext4",
                        "mount_options": [],
                        "mountpoint": "/",
                        "obj_id": "39886612-596c-4612-bd2c-09d2c4f78957",
                        "size": {
                            "sector_size": {
                                "unit": "B",
                                "value": 512
                            },
                            "unit": "B",
                            "value": 254984323072
                        },
                        "start": {
                            "sector_size": {
                                "unit": "B",
                                "value": 512
                            },
                            "unit": "B",
                            "value": 1074790400
                        },
                        "status": "create",
                        "type": "primary"
                    }
                ],
                "wipe": true
            }
        ],
        "disk_encryption": {
            "encryption_type": "luks_on_lvm",
            "iter_time": 1000,
            "lvm_volumes": [
                "e9940a54-28b6-4374-bb67-296521f0437f"
            ],
            "partitions": []
        },
        "lvm_config": {
            "config_type": "default",
            "vol_groups": [
                {
                    "lvm_pvs": [
                        "39886612-

describe the problem

Description of the issue

I was installing on latitude 7280

Then archinstall crashed ...

[AuthenticSm1les]

'[2026-03-23 17:53:47] - INFO - Adding bootloader Systemd-boot to /dev/nvme0n1p1
[2026-03-23 17:53:47] - DEBUG - Error calling lsblk: lsblk: /dev/mapper/ainstroot: not a block device
{
"blockdevices": [

]
}

[2026-03-23 17:53:47] - ERROR - Failed to read disk "/dev/mapper/ainstroot" with lsblk
[2026-03-23 17:53:47] - ERROR - Traceback (most recent call last):
File "/usr/lib/python3.14/site-packages/archinstall/lib/disk/utils.py", line 32, in _fetch_lsblk_info
worker = SysCommand(cmd)
File "/usr/lib/python3.14/site-packages/archinstall/lib/general.py", line 337, in init
self.create_session()
~~~~~~~~~~~~~~~~~~~^^
File "/usr/lib/python3.14/site-packages/archinstall/lib/general.py", line 377, in create_session
with SysCommandWorker(
~~~~~~~~~~~~~~~~^
self.cmd,
^^^^^^^^^
...<3 lines>...
working_directory=self.working_directory,
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
) as session:
^
File "/usr/lib/python3.14/site-packages/archinstall/lib/general.py", line 205, in exit
raise SysCallError(
...<3 lines>...
)
archinstall.lib.exceptions.SysCallError: ['/usr/bin/lsblk', '--json', '--bytes', '--output', 'name,path,pkname,log-sec,size,pttype,ptuuid,rota,tran,partn,partuuid,parttype,uuid,fstype,fsver,fsavail,fsuse%,type,mountpoint,mountpoints,fsroots', '--inverse', '--paths', '/dev/mapper/ainstroot'] exited with abnormal exit code [32]: lsblk: /dev/mapper/ainstroot: not a block device
{
"blockdevices": [

]
}

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "/usr/lib/python3.14/site-packages/archinstall/init.py", line 134, in run_as_a_module
rc = main()
File "/usr/lib/python3.14/site-packages/archinstall/init.py", line 124, in main
importlib.import_module(mod_name)
~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^
File "/usr/lib/python3.14/importlib/init.py", line 88, in import_module
return _bootstrap._gcd_import(name[level:], package, level)
~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "", line 1398, in _gcd_import
File "", line 1371, in _find_and_load
File "", line 1342, in _find_and_load_unlocked
File "", line 938, in _load_unlocked
File "", line 759, in exec_module
File "", line 491, in _call_with_frames_removed
File "/usr/lib/python3.14/site-packages/archinstall/scripts/guided.py", line 216, in
guided()
~~~~~~^^
File "/usr/lib/python3.14/site-packages/archinstall/scripts/guided.py", line 213, in guided
perform_installation(arch_config_handler.args.mountpoint)
~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3.14/site-packages/archinstall/scripts/guided.py", line 108, in perform_installation
installation.add_bootloader(config.bootloader_config.bootloader, config.bootloader_config.uki, config.bootloader_config.removable)
~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3.14/site-packages/archinstall/lib/installer.py", line 1806, in add_bootloader
self._config_uki(root, efi_partition)
~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3.14/site-packages/archinstall/lib/installer.py", line 1717, in _config_uki
kernel_parameters = self._get_kernel_params(root)
File "/usr/lib/python3.14/site-packages/archinstall/lib/installer.py", line 1167, in _get_kernel_params
kernel_parameters = self._get_kernel_params_lvm(root)
File "/usr/lib/python3.14/site-packages/archinstall/lib/installer.py", line 1144, in _get_kernel_params_lvm
uuid = self._get_luks_uuid_from_mapper_dev(lvm.mapper_path)
File "/usr/lib/python3.14/site-packages/archinstall/lib/installer.py", line 1074, in _get_luks_uuid_from_mapper_dev
lsblk_info = get_lsblk_info(mapper_dev_path, reverse=True, full_dev_path=True)
File "/usr/lib/python3.14/site-packages/archinstall/lib/disk/utils.py", line 52, in get_lsblk_info
infos = _fetch_lsblk_info(dev_path, reverse=reverse, full_dev_path=full_dev_path)
File "/usr/lib/python3.14/site-packages/archinstall/lib/disk/utils.py", line 39, in _fetch_lsblk_info
raise DiskError(f'Failed to read disk "{dev_path}" with lsblk')
archinstall.lib.exceptions.DiskError: Failed to read disk "/dev/mapper/ainstroot" with lsblk

[2026-03-23 17:53:47] - WARNING - Archinstall experienced the above error. If you think this is a bug, please report it to
https://github.com/archlinux/archinstall and include the log file "/var/log/archinstall/install.log".

Hint: To extract the log from a live ISO
curl -F 'file=@/var/log/archinstall/install.log' https://0x0.st
'