Boot error SMP

John Baldwin jhb at
Mon Jun 27 18:26:32 GMT 2005

On Sunday 26 June 2005 11:40 am, Hans van Leest wrote:
> Hello,
> I've got a ASUS PCH-DL dual xeon board with an Intel SRCS14L
> Raid-controller.
> When my kernel is build for one CPU, no SMP and APIC in my GENERIC file,
> the kernel compiles and boots. But when I compile with "options SMP" and
> "device apic" the kernel compiles but does not boot. It crashes after
> the 15sec SCSI settle. When I look at the dump from the SMP kernel, it
> looks like an error from irr.

If you set 'kern.smp.disabled=1' from the loader, does the SMP kernel boot ok 
(but only with one CPU in use)?

> As I understand correct, the "device iir" in the GENERIC file means that
> it is compiled in the kernel. Is it possible to load it as a module?

It can be loaded as a module so long as you don't boot from it.

John Baldwin <jhb at>  <><
"Power Users Use the Power to Serve"  =

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