ATA drive ID differences between kernels

[Casey Scott]

I recently installed 9.2 on a server that was running 8.3. The problem I'm facing is that the GENERIC and my custom kernel ID drives differently:

e.g.       GENERIC   CUSTOM
drive 1    ada1      ada6 
drive 2    ada2      ada7
drive 3    ada3      ada8


The result of which is a error code 19 at mountroot. I've been through UPDATING, NOTES, Google, forums, etc. and can't determine what's missing from my custom kernel.  Custom kernel config below:

*****************************************************************
cpu             HAMMER
ident           CUSTOM
options         SCHED_ULE               # ULE scheduler
options         PREEMPTION              # Enable kernel thread preemption
options         INET                    # InterNETworking
options         TCP_OFFLOAD             # TCP offload
options         SCTP                    # Stream Control Transmission Protocol
options         FFS                     # Berkeley Fast Filesystem
options         SOFTUPDATES             # Enable FFS soft updates support
options         UFS_ACL                 # Support for access control lists
options         UFS_DIRHASH             # Improve performance on big directories
options         UFS_GJOURNAL            # Enable gjournal-based UFS journaling
options         QUOTA                   # Enable disk quotas for UFS
options         NFSCL                   # New Network Filesystem Client
options         NFSD                    # New Network Filesystem Server
options         NFSLOCKD                # Network Lock Manager
options         NFS_ROOT                # NFS usable as /, requires NFSCL
options         PROCFS                  # Process filesystem (requires PSEUDOFS)
options         PSEUDOFS                # Pseudo-filesystem framework
options         GEOM_PART_GPT           # GUID Partition Tables.
options         GEOM_LABEL              # Provides labelization
options         SCSI_DELAY=5000         # Delay (in ms) before probing SCSI
options         KTRACE                  # ktrace(1) support
options         STACK                   # stack(9) support
options         _KPOSIX_PRIORITY_SCHEDULING # POSIX P1003_1B real-time extensions
options         PRINTF_BUFR_SIZE=128    # Prevent printf output being interspersed.
options         AUDIT                   # Security event auditing
options         INCLUDE_CONFIG_FILE     # Include this file in kernel
options         DDB_CTF                 # kernel ELF linker loads CTF data
options         IPFIREWALL
options         IPFIREWALL_VERBOSE
options         IPDIVERT
# Make an SMP-capable kernel by default
options         SMP                     # Symmetric MultiProcessor Kernel
# Bus support.
device          acpi
device          pci
# ATA controllers
device          ahci            # AHCI-compatible SATA controllers
device          ata             # Legacy ATA/SATA controllers
options         ATA_STATIC_ID   # Static device numbering
# SCSI Controllers
device          ahc             # AHA2940 and onboard AIC7xxx devices
device          aic             # Adaptec 15[012]x SCSI adapters, AIC-6[23]60.
# ATA/SCSI peripherals
device          scbus           # SCSI bus (required for ATA/SCSI)
device          sa              # Sequential Access (tape etc)
device          atadisk         # ATA disk drives
# atkbdc0 controls both the keyboard and the PS/2 mouse
device          atkbdc          # AT keyboard controller
device          atkbd           # AT keyboard
device          kbdmux          # keyboard multiplexer
device          vga             # VGA video card driver
device          splash          # Splash screen and screen saver support
# syscons is the default console driver, resembling an SCO console
device          sc
options         SC_PIXEL_MODE   # add support for the raster text mode
device          agp             # support several AGP chipsets
device          em              # Intel PRO/1000 Gigabit Ethernet Family
# PCI Ethernet NICs that use the common MII bus controller code.
# NOTE: Be sure to keep the 'device miibus' line in order to use these NICs!
device          miibus          # MII bus support
device          fxp             # Intel EtherExpress PRO/100B (82557, 82558)
# Pseudo devices.
device          loop            # Network loopback
device          random          # Entropy device
device          ether           # Ethernet support
device          tun             # Packet tunnel.
device          pty             # BSD-style compatibility pseudo ttys
# The `bpf' device enables the Berkeley Packet Filter.
# Be aware of the administrative consequences of enabling this!
# Note that 'bpf' is required for DHCP.
device          bpf             # Berkeley packet filter
# USB support
options         USB_DEBUG       # enable debug msgs
device          uhci            # UHCI PCI->USB interface
device          ohci            # OHCI PCI->USB interface
device          ehci            # EHCI PCI->USB interface (USB 2.0)
device          xhci            # XHCI PCI->USB interface (USB 3.0)
device          usb             # USB Bus (required)
#device         udbp            # USB Double Bulk Pipe devices (needs netgraph)
device          uhid            # "Human Interface Devices"
device          ukbd            # Keyboard
*****************************************************************

Any suggestions?

TIA,
Casey