[ltp] How does /proc/acpi/ibm/bay work

Stefan Schmidt linux-thinkpad@linux-thinkpad.org
Sun, 3 Apr 2005 10:46:32 +0200


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Hello.

On Fri, Apr 01, 2005 at 01:56:17PM +0200, Stefan Schmidt wrote:
>=20
> Do you can use DMA after re-insert the DVD/CD-RW drive?
=20
I found something in the web about this:

"Due to a limitiation of the kernel you cannot use DMA with an IDE
device in the module bay if the computer was booted without a device
plugged in."

This is a quotation from Tim Stadelmann the author of hotswap.
http://users.ox.ac.uk/~univ1377/c600.html

Is this information still right? I would be happy about some hints to
deal with.

Stefan Schmidt

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