Subject: Re: (amd64) panic: mpacpi_findintr_linkdev: irq mismatch
To: Alex Hanson <schatziegill@comcast.net>
From: D'Arcy J.M. Cain <darcy@NetBSD.org>
List: current-users
Date: 12/28/2007 08:18:41
On Thu, 27 Dec 2007 23:12:52 -0800
Alex Hanson <schatziegill@comcast.net> wrote:
> After upgrading to netbsd-current/amd64 I experienced a kernel panic
> upon boot. My experience is exactly the same as this one:
>
> http://www.nabble.com/amd64-kernel-panic-td14355021.html
> (sorry if that is not the preferred way of referencing other messages)
>
> I thought it would be more appropriate on this list.
>
> Enabling mp_verbose gives this error description:
> > linkdev ALKA returned ACPI global int 1
> I do not know what to look for from here.
I made the following changes. The first is just to get more detail
after setting mp_verbose. The second is the thing that allows me to
run NetBSD on my amd64. jmcneil@ is working on a proper fix but so far
I have not had any problems running this kernel.
Index: arch/x86/x86/mpacpi.c
===================================================================
RCS file: /cvsroot/src/sys/arch/x86/x86/mpacpi.c,v
retrieving revision 1.56
diff -u -p -u -r1.56 mpacpi.c
--- arch/x86/x86/mpacpi.c 12 Dec 2007 23:33:22 -0000 1.56
+++ arch/x86/x86/mpacpi.c 28 Dec 2007 13:18:17 -0000
@@ -1139,12 +1139,10 @@ mpacpi_findintr_linkdev(struct mp_intr_m
irq = acpi_pci_link_route_interrupt(mip->linkdev, mip->sourceindex,
&line, &pol, &trig);
if (mp_verbose)
- printf("linkdev %s returned ACPI global int %d\n",
- acpi_pci_link_name(mip->linkdev), line);
+ printf("linkdev %s returned ACPI global irq %d, line %d\n",
+ acpi_pci_link_name(mip->linkdev), irq, line);
if (irq == X86_PCI_INTERRUPT_LINE_NO_CONNECTION)
return ENOENT;
- if (irq != line)
- panic("mpacpi_findintr_linkdev: irq mismatch");
--
D'Arcy J.M. Cain <darcy@NetBSD.org>
http://www.NetBSD.org/