On Thu, 01 Feb 2007 19:22:31 +0100 juergen.metzdorf@xxxxxxxxxxxxxx wrote: > Hello, > > I'm experiencing problems with an SATA-DVD-Writer (Samsung SH-S183a) connected > to a VIA8237 motherboard chipset. As you can see in the attached boot.log, the > system is reducing the DMA-Mode from DMA33 to DMA25 then to DMA16 to end up as > PIO4. As a result the dvds that are written are corrupt. During the writing > process the messages log shows repeating entries like this: Please try the patch I posted to the kernel list and ide list yesterday which allows settle time on DMA changes. - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html