Did the dbus-broker update today, and since that the system does not boot. There is no boot manager (systemd-boot) at all, only blank screen.
EndeavourOS is installed on an external SSD and works flawless since the last update.
Disk /dev/nvme0n1: 465.76 GiB, 500107862016 bytes, 976773168 sectors
Disk model: WDS500G3X0C-00SJG0
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x81ab4538
Device Boot Start End Sectors Size Id Type
/dev/nvme0n1p1 * 2048 1187839 1185792 579M 7 HPFS/NTFS/exFAT
/dev/nvme0n1p2 1187840 976771071 975583232 465.2G 7 HPFS/NTFS/exFAT
Disk /dev/sda: 465.76 GiB, 500107862016 bytes, 976773168 sectors
Disk model: SSD 870 EVO
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
Disklabel type: gpt
Disk identifier: 85E74688-6E12-4B0F-8653-FECCDDEA1564
Device Start End Sectors Size Type
/dev/sda1 4096 2052095 2048000 1000M EFI System
/dev/sda2 2052096 940905353 938853258 447.7G Linux filesystem
/dev/sda3 940905354 976768064 35862711 17.1G Linux swap
Partition 3 does not start on physical sector boundary.
Disk /dev/sdb: 114.61 GiB, 123060879360 bytes, 240353280 sectors
Disk model: SanDisk 3.2Gen1
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0x6e6b1770
Device Boot Start End Sectors Size Id Type
/dev/sdb1 * 2048 240287743 240285696 114.6G 7 HPFS/NTFS/exFAT
/dev/sdb2 240287744 240353279 65536 32M ef EFI (FAT-12/16/32)
Disk /dev/mapper/ventoy: 2.43 GiB, 2608148480 bytes, 5094040 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0xb64c04a4
Device Boot Start End Sectors Size Id Type
/dev/mapper/ventoy-part1 * 64 4849663 4849600 2.3G 0 Empty
/dev/mapper/ventoy-part2 4849664 5093375 243712 119M ef EFI (FAT-12/16/32)
Disk /dev/loop0: 2.19 GiB, 2355683328 bytes, 4600944 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
BootCurrent: 0005
Timeout: 1 seconds
BootOrder: 0000,0004,0001,0002,0005
Boot0000* Linux Boot Manager HD(1,GPT,034b87f0-a0d9-48ff-b6bd-475aa0ca7270,0x1000,0x1f4000)/File(\EFI\SYSTEMD\SYSTEMD-BOOTX64.EFI)
Boot0001* Hard Drive BBS(HD,,0x0)
Boot0002* USB BBS(USB,,0x0)80033003500350038003100300037006200620032003800620032003400310000007fff04000000424f
Boot0004* UEFI OS HD(1,GPT,034b87f0-a0d9-48ff-b6bd-475aa0ca7270,0x1000,0x1f4000)/File(\EFI\BOOT\BOOTX64.EFI)0000424f
Boot0005* UEFI: USB, Partition 2 PciRoot(0x0)/Pci(0x1,0x3)/Pci(0x0,0x0)/USB(0,0)/USB(1,0)/HD(2,MBR,0x6e6b1770,0xe528000,0x10000)0000424f
thanks for help,
moxdrox