udevadm trigger
fixed a problem
root@pve:~# update-grub
Generating grub configuration file ...
WARNING: Device /dev/dm-7 not initialized in udev database even after waiting 10000000 microseconds.
WARNING: Device /dev/dm-39 not initialized in udev database even after waiting 10000000 microseconds.
WARNING: Device /dev/dm-39 not initialized in udev database even after waiting 10000000 microseconds.
WARNING: Device /dev/dm-7 not initialized in udev database even after waiting 10000000 microseconds.
WARNING: Device /dev/dm-39 not initialized in udev database even after waiting 10000000 microseconds.
WARNING: Device /dev/dm-39 not initialized in udev database even after waiting 10000000 microseconds.
WARNING: Device /dev/dm-7 not initialized in udev database even after waiting 10000000 microseconds.
WARNING: Device /dev/dm-39 not initialized in udev database even after waiting 10000000 microseconds.
WARNING: Device /dev/dm-39 not initialized in udev database even after waiting 10000000 microseconds.
WARNING: Device /dev/dm-7 not initialized in udev database even after waiting 10000000 microseconds.
WARNING: Device /dev/dm-39 not initialized in udev database even after waiting 10000000 microseconds.
WARNING: Device /dev/dm-39 not initialized in udev database even after waiting 10000000 microseconds.
WARNING: Device /dev/dm-7 not initialized in udev database even after waiting 10000000 microseconds.
WARNING: Device /dev/dm-39 not initialized in udev database even after waiting 10000000 microseconds.
WARNING: Device /dev/dm-39 not initialized in udev database even after waiting 10000000 microseconds.
WARNING: Device /dev/dm-7 not initialized in udev database even after waiting 10000000 microseconds.
WARNING: Device /dev/dm-39 not initialized in udev database even after waiting 10000000 microseconds.
WARNING: Device /dev/dm-39 not initialized in udev database even after waiting 10000000 microseconds.
WARNING: Device /dev/dm-7 not initialized in udev database even after waiting 10000000 microseconds.
WARNING: Device /dev/dm-39 not initialized in udev database even after waiting 10000000 microseconds.
WARNING: Device /dev/dm-39 not initialized in udev database even after waiting 10000000 microseconds.
WARNING: Device /dev/dm-7 not initialized in udev database even after waiting 10000000 microseconds.
WARNING: Device /dev/dm-39 not initialized in udev database even after waiting 10000000 microseconds.
WARNING: Device /dev/dm-39 not initialized in udev database even after waiting 10000000 microseconds.
Found linux image: /boot/vmlinuz-5.4.60-1-pve
Found initrd image: /boot/initrd.img-5.4.60-1-pve
Found linux image: /boot/vmlinuz-5.4.44-2-pve
Found initrd image: /boot/initrd.img-5.4.44-2-pve
Found linux image: /boot/vmlinuz-5.0.21-5-pve
Found initrd image: /boot/initrd.img-5.0.21-5-pve
Found linux image: /boot/vmlinuz-5.0.15-1-pve
Found initrd image: /boot/initrd.img-5.0.15-1-pve
Found memtest86+ image: /boot/memtest86+.bin
Found memtest86+ multiboot image: /boot/memtest86+_multiboot.bin
Adding boot menu entry for EFI firmware configuration
done