trixie build hangs at lvcreate command during disk partitioning

I am trying to build a trixie system. The build hangs on the lvcreate 
command. Here is what I see:

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...
Calling task_install
Calling task_partition
Starting setup-storage 3.0
Using config file: /var/lib/fai/config/disk_config/acs-disk-lvm-no-swap
   Creating directory "/run/lock/lvm"
   Creating directory "/etc/lvm/archive"
   Archiving volume group "my_vg" metadata (seqno 2).
   Creating directory "/etc/lvm/backup"
   Creating volume group backup "/etc/lvm/backup/my_vg" (seqno 2).
Executing: wipefs -af /dev/sda1
Executing: vgchange -a y my_vg
Executing: lvcreate --yes -n root -L 12288 my_vg  <--- HANGS HERE

Any suggestions for troubleshooting steps?

More information below:

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Here is the disk configuration:

disk_config disk1 align-at:4k fstabkey:uuid
primary /boot              512   ext4  rw,noatime
primary -                  4096- -     -
primary /var/cache/openafs 4096  ext2  defaults,noatime

disk_config lvm
vg            my_vg          sda2
my_vg-root    /              12G  ext4 
defaults,acl,noatime,errors=remount-ro
my_vg-tmp     /tmp            3G  ext4 defaults,nodev,noexec,nosuid
my_vg-log     /var/log        5G  ext4 defaults

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Here is fdisk -l:

Disk /dev/sdb: 40 GiB, 42949672960 bytes, 83886080 sectors
Disk model: QEMU HARDDISK
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: gpt
Disk identifier: 0FB83895-9BDE-4365-A399-964530A80BB9

Device     Start      End  Sectors Size Type
/dev/sdb1   2048 83884031 83881984  40G Linux filesystem


Disk /dev/sda: 41 GiB, 44023414784 bytes, 85983232 sectors
Disk model: QEMU HARDDISK
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: 0xf8f07793

Device     Boot    Start      End  Sectors  Size Id Type
/dev/sda1           2048  1050623  1048576  512M 83 Linux
/dev/sda2        1050624 77594623 76544000 36.5G 8e Linux LVM
/dev/sda3       77594624 85983231  8388608    4G 83 Linux


Disk /dev/sdc: 30 GiB, 32212254720 bytes, 62914560 sectors
Disk model: QEMU HARDDISK
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: 0xae96af69

Device     Boot Start      End  Sectors Size Id Type
/dev/sdc1        2048 62914559 62912512  30G 83 Linux


Disk /dev/sdd: 40 GiB, 42949672960 bytes, 83886080 sectors
Disk model: QEMU HARDDISK
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: 0x3aac3b6e

Device     Boot Start      End  Sectors Size Id Type
/dev/sdd1        2048 83886079 83884032  40G 83 Linux


Disk /dev/dm-0: 12 GiB, 12884901888 bytes, 25165824 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
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