Help about DMA failed

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jin_liu

发表于 2004-3-18 21:29:41 | 显示全部楼层 |阅读模式

[root@James-OS src]# hdparm -d1 /dev/hda

/dev/hda:
setting using_dma to 1 (on)
HDIO_SET_DMA failed: Operation not permitted
using_dma = 0 (off)
why??
I just compiled kernel2.6.4 bt myself.
Thank you for your help.

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