On Sat, Nov 13, 2004 at 07:06:43PM +0100, Dennis Bjorklund wrote: > 1) It's the read ahead that causes the problem. If one use > hdparm and set the read ahead to 0 on the device, then I have > no problem to verify a cd using dd. Correct > Maybe someone like Alan Cox (but not limited to him!) will look at this > and say it's stupid, and then I don't need to read the code :-) The "end" of a CD-R is undefined for about 150K. ide-scsi correctly retries errors at the disk end and reduces the disk size based on the error position. ide-cd doesn't. It's waiting someone who knows enough about that area of the block layer to fix it Alan
