Re: IDE issue, no booting and that last_ipl

[Geert U. <ge...@li...>]

On Fri, 26 Jul 2002, Alan Buxey wrote:
> just to confirm, taking IDE support out of the kernel, the
> system boots to mounting of root (ie everything works) so
> its in the IDE stage that we have issues.  dont think
> its the driver code, think its the interupts.  one thing
> that does buzz into my viewpoint is that an interupt call/service
> (cant recall), was REMOVED for when the IDE is initiated.  
> 
> if the A1200 hardware generates an interupt when its first probed
> then this may be it?

Are interrupts disabled during probing?

I remember an issue with some WD drives, when the probing code didn't disable
the real IDE interrupt, but asked the drive not to send an interrupt instead.
Some driver don't obey that command, and still send an interrupt, causing a
lock up.

Gr{oetje,eeting}s,

						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- ge...@li...

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
							    -- Linus Torvalds