After recompiling the new 2.6.14.2 kernel, I receive this hanging message when I try booting into it (no error with physical hardware, and am currently booted onto said computer w/ different kernel [sata.s])

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ide: failed opcode was: unknown
hdc1
ata1: SATA max UDMA/133 cmd 0x9F0 ctl 0xBF2 bmdma 0xD800 irq 5
ata2: SATA max UDMA/133 cmd 0x970 ctl 0xB72 bmdma 0xD808 irq 5
ata1: no device found (phy stat 00000000)
scsi0 : sata_nv
ata2: no device found (phy stat 00000000)
scsi1 : sata_nv
ata3: SATA max UDMA/133 cmd 0x9E0 ctl 0xBE2 bmdma 0xC400 irq 11
ata4: SATA max UDMA/133 cmd 0x960 ctl 0xB62 bmdma 0xC408 irq 11
ata3: dev 0 ATA, max UDMA/100, 625142448 sectors: lba48
irq5: nobody cared (try booting with the "irqpoll" option)

Call Trace: <IRZ> <ffffffff80155560>{ report bad irq+48} <ffffffff801557bf>{not
e_interrupt+511}
<ffffffff80154f1d>{__do_IRQ+205} <ffffffff801105ff>{do_IRQ+47}
<ffffffff8010e1c8>{ret_from_intr+0} <EOI> <ffffffff803ab940>{ata_exec_co
mmand+0}
<ffffffff8010bd40>{default_idle+32} <ffffffff8010bf92>{cpu_idle+82}
<ffffffff807887d0>{start_kernel+464} <ffffffff80788243>{_sinittext+579}

handlers:
[<ffffffff803b1ee0>] (nv_interrupt+0x0/0xb0)
Disabling IRQ #5

Do you have SATA support in this new kernel?

Diff the old and new .config files and see what you missed...