Re: ide-cd problem revisited - more brainpower needed

From: Alan Cox
Date: Fri Dec 10 2004 - 19:22:16 EST


On Gwe, 2004-12-10 at 21:32, Alan Chandler wrote:
> All the above output is a result of the command (as root) using linux
> 2.6.10-rc2 (with acpi turned off to avoid that bug)Â
>

Is local apic enabled ?

> So what do I do next? Why would the hardware work this way - is it a bug in
> the firmware?, is there a subtle timing problem causing interrupts to
> re-enter... should I just junk the hardware and start again? Help!

A purely armwaving guess of the moment is that if the IRQ routing is
confused over edge versus level trigger then you would see extra
interrupts. Does the drive work in another PC (I forget if you tried
that)

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/