Hi everyone, How to enable LINUX RH8's DMA?
 

Hi everyone,

Yup, thanks for clicking my tread, thanks for those who are trying to reply my thread.

Yup, im having problem with enable my harddisk DMA.

[1]
I used this command to check my hd status --> hdparm -c /dev/hdc

[2]
then i see my hd status as follow :

[3]
so i tried:

"hdparm -d /dev/dhc"

to enable my dma, but no matter how many times i tried, the system is keep showing me below result

may i know how to solve this problem?

I'm now using company computer with the specs of:

- P4 2.4
- 512 MB RAM
- 1 NIC
- Windows XP

p/s: I'm using "vmware Virtual engine" Software in windows XP to enable
the installing and using of LINUX RH8 in winXP

hdparm -d1 /dev/hda

thanks heema,

i tried your sugesstion but it seems not work :
***********************************************************
hdparm -d1 /dev/hdc

***********************************************************

and below will be the result:

setting using_dma to 1 ( on )
HDIO_SET_DMA failed: Operation not permitted
using_dma = 0 (off)


question 1)

May i know what is the different of below command?
-----------------------------------------------------------------
hdparm -d1 /dev/hdc with hdparm -d /dev/hdc
-----------------------------------------------------------------

Thanks for your help~!

:D

Anix

no problem :)

have u tried it using ur root password ?

yup, i logged my linux startx by root, and click on the terminal and enter the command which you showed me above.