cvs commit: src/sys/amd64/amd64 intr_machdep.c

[Bruce Evans]

On Mon, 31 May 2004, Tim Robbins wrote:

> On Mon, May 31, 2004 at 12:49:16AM +1000, Bruce Evans wrote:
> > On Mon, 31 May 2004, Tim Robbins wrote:
> >
> > > On Sat, May 29, 2004 at 09:49:40PM -0700, Alan Cox wrote:
> > > > alc         2004/05/29 21:49:40 PDT
> > > >
> > > >   FreeBSD src repository
> > > >
> > > >   Modified files:
> > > >     sys/amd64/amd64      intr_machdep.c
> > > >   Log:
> > > >   MFi386 revision 1.6
> > > >    Reenable ithread preemption for interrupts that occur while executing in
> > > >    the kernel.
> > >
> > > This somehow causes my machine to get wedged after printing the Uptime:
> > > line when I run "reboot".
> >
> > I think it is recent changes to acpi that do that.
>
> I initially suspected ACPI, but reverting this file to the previous
> revision allows the machine to reboot successfully. A few people
> on -current have reported similar success after backing out the i386
> equivalent.

I think the problem is actually in ACPI mode.  Not using ACPI avoided it
be breaking support for APIC mode on my test system.  I thought I tested
on another system, but it didn't have the above change and it needs ACPI
for APIC too.

Bruce