On Wed, Oct 31 2007, Alan Cox wrote: > On Tue, 30 Oct 2007 19:21:29 +0000 > Daniel Drake <dsd@xxxxxxxxxx> wrote: > > > Alan Cox wrote: > > > I would guess Brasero is issuing a command with the length of data > > > wrongly set. In the old code that might well just produce errors of the > > > "Umm wtf is this data left over for ?", with the new code the drive is > > > likely to change state as it knows the transfer size and that will > > > *correctly* cause an HSM error and what follows. > > > > > > Now the question is who gets the length wrong - Brasero or the ata > > > translation code in libata > > > > Brasero does exactly the same as my test app which I attached to my last > > mail. Is my test app wrong? > > Would need to double check the SCSI specificatons to be sure but I think > you are asking for less data than the drive wishes to provide. You > aren't allowed to do that with ATA. ide-cd handles this by throwing the excess away, which I think is the sane way to do this. -- Jens Axboe - 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
