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

[Greg Meyer]

On Thursday 31 March 2005 08:49 am, Theodore Ts'o wrote:
> On Thu, Mar 31, 2005 at 07:39:59AM +0200, Tino Keitel wrote:
> > > Does anyone use /proc/acpi/ibm/bay and can write about his/her
> > > experiences, especially what does work and what doesn't?
> >
> > Hum, is there really nobody out there who uses UltraBay hotswapping?
>
> I can swap my DVD/CD-RW drive, as well as an additional IDE hard
> drive.  In fact, I regularly use the hot-swap feature so that I can
> disable the ultrabay when I am not using the disk, and when I am
> suspending the laptop for additional power savings.
>
> This is on a T40, using the the following scripts.  The idectl script
> is from the hdparm sources, in the contrib directory.
>
> 					- Ted
I'll have to take a look at this again, but although I would like to use 
hot-swapping in the ultrabay on my T41 between the combo dvd/cdrw and another 
hard drive, I still haven't figured out a way to turn dma back on after the 
swap.  A reboot has always been necessary to get dma back.
-- 
/g