Re: Dma for ide-scsi

[Hanspeter Roth <hampi@rootshell.be>]

  On Nov 03 at 23:25, Eduard Bloch spoke:

> ATA devices. Unfortunarely, Linux is not consistent on naming devices,
> ide-scsi does not present the device nodes useable for hdparm. Simplest
> workaround:
> 
> cd ~root
> mkdir devs
> cd devs
> MAKEDEV hda hdb hdc hdd hde hdf
> 
> now, use hdparm on this nodes.
> 

/root # dmesg|grep hdd
Kernel command line: BOOT_IMAGE=Linux ro root=302 hdd=ide-scsi hdg=ide-scsi hdh=ide-scsi
ide_setup: hdd=ide-scsi
    ide1: BM-DMA at 0xb808-0xb80f, BIOS settings: hdc:DMA, hdd:DMA
hdd: PLEXTOR CD-R PX-W4012A, ATAPI CD/DVD-ROM drive
/root # hdparm -d /dev/hdd
/dev/hdd: No such device or address
/root # cd ~root
/root # mkdir devs
/root # cd devs
root/devs # MAKEDEV hdd
root/devs # hdparm -d ./hdd
./hdd: No such device or address


-Hanspeter