[Bug 6920] HDIO_SET_DMA failed: Operation not permitted

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Ubuntu | linux


mdz at ubuntu.com changed:

           What    |Removed                     |Added
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                 CC|                            |jpakkane at yahoo.com




------- Additional Comments From mdz at ubuntu.com  2005-04-12 00:13 UTC -------
(In reply to comment #9)
> Please reconsider this. Users should not have to fiddle with kernel module
> loading order. There's no reason not to turn DMA on*, so it should just work
> out-of-the-box.

We do enable DMA on hard disks automatically (the kernel handles this, and has
its own blacklists).

This bug is about a specific circumstance where DMA was not enabled by default.
 The cause is not clear, and I'm not sure that this bug was ready to be closed.
 Since the disk in question is /dev/hda, it's quite likely the root disk, and
had sata_sil loaded from the initrd.

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