Messages in this thread |  | | | Subject | Re: cdrecord dev=ATA cannont scanbus as non-root | | From | Markus Plail <> | | Date | Wed, 01 Dec 2004 22:56:32 +0100 |
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Jens Axboe <axboe@suse.de> writes:
> On Mon, Nov 29 2004, J.A. Magallon wrote: >> dev=ATAPI uses ide-scsi interface, through /dev/sgX. And: >> >> > scsibus: -1 target: -1 lun: -1 >> > Warning: Using ATA Packet interface. >> > Warning: The related Linux kernel interface code seems to be unmaintained. >> > Warning: There is absolutely NO DMA, operations thus are slow. >> >> dev=ATA uses direct IDE burning. Try that as root. In my box, as root: > > Oh no, not this again... Please check the facts: the ATAPI method uses > the SG_IO ioctl, which is direct-to-device. It does _not_ go through > /dev/sgX, unless you actually give /dev/sgX as the device name. It has > nothing to do with ide-scsi. Period. > > ATA uses CDROM_SEND_PACKET. This has nothing to do with direct IDE > burning, it's a crippled interface from the CDROM layer that should not > be used for anything. scsi-linux-ata.c should be ripped from the > cdrecord sources, or at least cdrecord should _never_ select that > transport for 2.6 kernels. For 2.4 you are far better off using > ide-scsi.
Are you sure you don't mix ATA with ATAPI? I think ATA is equivalent to dev=/dev/hdX.
regards Markus
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