Re: kernel trap 12 with interrupts disabled on a fresh SMP -CURRENT

On Tue, Jan 20, 2004 at 01:25:11PM -0500, John Baldwin wrote:
> On Saturday 17 January 2004 03:18 pm, Morten Rodal wrote:
> > After getting home from a vacation I upgraded my -CURRENT computer
> > from a Nov 20th kernel to todays kernel.  After the new interrupt code
> > was commited I had to turn off ACPI support because of some vital
> > pieces are missing in the ACPI implementation in my BIOS (if I
> > recall correctly it was missing MADT table).
> >
> > The attached crash is when I boot the kernel WITHOUT ACPI.  This was
> > captured with the serial debugger which generated a series of panics
> > (I aborted the output after a few of them since they were all exactly
> > like).
> >
> > If I boot it with ACPI I get a interrupt storm to irq20 (which
> > coincidently is ACPI):
> 
> Try using http://www.FreeBSD.org/~jhb/patches/acpi_sci2.patch with ACPI.  It 
> should fix the IRQ 20 interrupt storm.  I don't really have a good idea of 
> why you are getting a panic in install_ap_tramp() though.
> 

I am starting to suspect hardware failure (probably memory).  If I
load the nvidia kernel driver (which I hadn't loaded when I got the
panic) everything works fine.

I will take a look at your patch, and hopefully try it out later
today.

-- 
Morten Rodal