PII SMP system hangs during boot with ACPI enabled

Nate Lawson nate at root.org
Mon Nov 24 11:49:33 PST 2003

On Mon, 24 Nov 2003, John Polstra wrote:
> On 24-Nov-2003 Nate Lawson wrote:
> > Please add debug.acpi.disable="cpu" to loader.conf or type that in at the
> > loader prompt.  If it boots ok, we'll have to debug the acpi_cpu_startup
> > path.
> Thanks.  It still hangs even with debug.acpi.disable="cpu".  I have
> attached the verbose boot messages.  They are essentially the same as
> the previous messages, except that the acpi_cpu messages are gone now
> as expected.
> If there's anything else I should try, just let me know.

It's a long shot, but what about setting kern.timecounter.hardware to
i8254.  It appears your ACPI timer is bad.  The reason why I suggest this
is that it seems like interrupts are being lost.


More information about the freebsd-current mailing list