On Mon, 2006-01-30 at 08:49 -0600, Troy Dawson wrote:
> Connie Sieh wrote:
> > On Fri, 27 Jan 2006, Debbie Mazurek wrote:
> > 
> > 
> >>Hi,
> >>
> >>I have a Dell Poweredge 6800, with 4 Intel 64 bit 7020-chipset dual-core
> >>CPU's. They also support hyperthreading.
> >>
> >>I can't get the 2.6.9-22.0.2 SMP x86 kernel to boot.  The UP kernel
> >>boots fine.  
> >>
> >>The x86_64 SMP kernel boots fine, but apparently only supports 8 cpu's -
> >>unfortunately hyperthreading *has to* work, for a research project.
> > 
> > 
> > The x86_64 kernel only supports 8 cpu's.  The Upstream Vendor has implied 
> > that Update 3 will enable 32 cpu's.
> > 
> If you can't wait that long, and really don't need the 64 bit part, the 
> i386 kernel does support 32 cpu's right now.

That's what I thought - and that's what I'd like!
But - the SMP kernel will not boot.  
The last message on the console, after finding initrd & linuz images, is

Uncompressing Linux...... OK, booting the kernel

and then stops.
The UP kernel boots fine, but I need the SMP.



> 
> Since our kernel is the same as RedHat's, we can use their 'hardware 
> limitation' chart as found here
> 
> http://www.redhat.com/en_us/USA/rhel/details/limits/
> 
> The line you are looking for is under
>    Technology Limits (certified)
>      Maximum Logical CPU's
>       AMD64/EM64T
> 
> 
> 
> >>I was under the impression that the x86 kernel *should* work on a 64-bit
> >>machine.  Is this not the case?   Any info or experiences would be
> >>appreciated.
> >>
> > 
> > 
> > It does work on a 8 cpu 64 bit machine.
> > 
> > 
> >>cheers,
> >>deb
> >>
> > 
> > 
> > -Connie Sieh
> 
> 
-- 
d e b b i e   m a z u r e k                 [log in to unmask]
system admin . department of computer science . university of calgary