Re: ide hotplug and 2.4.1

Andre Hedrick (andre@linux-ide.org)
Thu, 1 Feb 2001 12:03:29 -0800 (PST)


Nope........you have to wack subdrivers and flush things.
Cheers,

On 1 Feb 2001, Ian Soboroff wrote:

>
> i've started playing with 2.4.1 on my Dell Latitude CS and it's pretty
> peppy; my only complaints are PCMCIA-related, which i think i'll solve
> by using the standalone package...
>
> anyway, my real question is this. i noticed the new options for
> hotplug, and am wondering if i can use this with my laptop. the
> Latitude CS has a port on the side, with which you can connect a cable
> that hooks up to either a floppy drive or a CDROM.
>
> if you boot the machine cold with the CDROM attached, linux notices it
> on a second IDE bus (/dev/hdc). if you boot without it, /dev/hdc
> isn't there. if you plug in the CDROM while the system is running,
> there is a noticeable pause for a couple seconds, which seems to imply
> some kind of BIOS action or interrupt or something happens which could
> be caught.
>
> back in 2.2.x, i used to build IDE as a module, and after plugging up
> the CDROM do a 'rmmod ide-probe; modprobe ide-probe' which had a
> pretty good success rate. i'm hoping maybe the 2.4.x hotplug features
> have made this obsolete.
>
> (plugging up the floppy drive always works, because PC floppy
> controllers are too dumb to care if they actually have a drive
> attached).
>
> ian
>
> --
> ----
> Ian Soboroff ian@cs.umbc.edu
> University of MD Baltimore County http://www.cs.umbc.edu/~ian
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Andre Hedrick
Linux ATA Development

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