Benjamin Herrenschmidt <[EMAIL PROTECTED]> writes: > Hi ! > > Recently, there have been lost of reports of ATAPI issues, typically > with CD/DVD burners, where DMA would be disabled for no obvious reasons, > with the driver spitting a message about a timeout waiting for dbdma > command stop. > > The problem is that our driver doesn't deal with buffer underruns due > to the drive not sending as many data as requested. > > This patch is an attempt at fixing this. Please let me know if it > helps.
First impression is that it seems to work. It no longer claims to kill DMA when running growisofs, and it is still active when writing is done. Thanks. /Stefan

