lkml.org 
[lkml]   [1999]   [Mar]   [10]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: 2.2.2 hw int differences?
Jeffrey Jones wrote:
>
> Hello,
>
> I'm trying to figure out what the differences is in the way IRQ's are
> handled between
> 2.2.0 and 2.2.2... I haven't tried 2.2.1 or 2.2.3 so I don't know how they
> fit in to the
> picture, but when I call request_irq() it says it succeeds in 2.2.2 but then
> the handler
> is never called when that IRQ is generated by the hardware. With everything
> exactly the same, it works under 2.2.0. Both were compiled with all the
> default config options. It
> only occurs on certain systems. What changed in the kernel?

Boot the afflicted machines with the kernel option noapic (or is it no_apic,
Ingo?) to disable the io_apic code and I bet your interrupts start coming
through again.


--
Doug Ledford <dledford@redhat.com>
Opinions expressed are my own, but
they should be everybody's.

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

\
 
 \ /
  Last update: 2005-03-22 13:50    [W:0.104 / U:0.044 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site