What were you trying to do that didn't work?

grub2-probe -t fs /boot/config-5.14.0-437.el9.x86_64

Please provide the package NVR for which bug is seen:

grub2 packages version is 1:2.06-68.el9

How reproducible:

constantly after mdadm was updated to 4.3-1.el9 in Centos 9 Stream

does not reproduce with mdadm 4.2-12.el9

Steps to reproduce

We have the next configuration: KVM virtual machine with two sata disks, three md raid1 arrays for efi, boot and /

mdadm --detail /dev/md1 returns:

/dev/md1:
           Version : 1.2
     Creation Time : Thu May  9 12:26:10 2024
        Raid Level : raid1
        Array Size : 510976 (499.00 MiB 523.24 MB)
     Used Dev Size : 510976 (499.00 MiB 523.24 MB)
      Raid Devices : 2
     Total Devices : 2
       Persistence : Superblock is persistent

       Update Time : Thu May  9 12:39:31 2024
             State : clean
    Active Devices : 2
   Working Devices : 2
    Failed Devices : 0
     Spare Devices : 0

Consistency Policy : resync

              Name : md1
              UUID : 45b3c561:0ea4ab3a:36efe173:8f3f0f03
            Events : 70

    Number   Major   Minor   RaidDevice State
       0       8       18        0      active sync   /dev/sdb2
       1       8        2        1      active sync   /dev/sda2

Expected results

ext4

Actual results

grub2-probe: error: ../grub-core/kern/disk.c:236:disk `md1' not found.