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From: Dan Rue <drue@therub.org>
Subject: Re: SMP kernel with RAID
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On Tue, Mar 09, 2004 at 11:22:51AM -0600, Dan Rue wrote:
> Howdy, 
> 
> Ok, Here's the brief specs
> dual 2.4 Xeons
> Adaptec Raid-5 SCSI
> 
> Everything works fine with a 4.9-p3 generic kernel.  However, when I
> enable SMP and rebuild the kernel, boot hangs at this step:
> 
> >Waiting 15 seconds for SCSI devices to settle
> >(noperiph:sym0:0:-1:-1): SCSI BUS reset delivered.
> 
> At that point, I have to reboot and boot back to generic kernel.  
> 
> Here's the only two lines in the kernel that I change:
> >options		SMP		# Symmetric MultiProcessor Kernel
> >options		APIC_IO		# Symmetric (APIC) I/O

Follow-up:
LINT mentions that you need to:
"Be sure to disable 'cpu I386_CPU' && 'cpu I486_CPU' for SMP kernels."

So, I tried that as well, with the same results. 

Is SMP flaky in 4.9 or something?  This is my first SMP build..

dan

> 
> Any ideas?
> 
> tia,
> Dan
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