Adrian Sandor wrote:
> hdb: dma_timer_expiry: dma status == 0x64
> hdb: DMA interrupt recovery
> hdb: lost interrupt

> I have an Asus P4P800 Deluxe mobo, and a P4 2.8GHz
> with HT activated.

Had the same problem last week. After some googling the solution was to 
change the settings of the SATA port in BIOS to Enhanced Mode, SATA only.

(http://seclists.org/lists/linux-kernel/2004/Jan/2324.html)

Jan