SMP support with the scyld package

[Keith Underwood]

Ok, try booting the master SMP (even if it is a UP box, it's ok).  That
should do it.  Not sure why, but I seem to remember having that problem
when I had an SMP master and UP nodes.

				Keith


On Mon, 26 Mar 2001, Carpenter, Dean wrote:

> Ah ha.  OK, I found that on the CD, and installed it
>
> 	rpm -i kernel-smp-2.2.17-33.beo.i686.rpm
>
> No problem, and I see the new kernel in /boot and the modules in
> /lib/modules/2.2.17-beosmp.
>
> So I change /boot/vmlinuz to point to the new kernel, and then create the
> netboot image ...
>
> 	beoboot -d -2 -n -k /boot/vmlinuz-2.2.17-33.beosmp -m
> /lib/modules/2.2.17.beosmp
>
> That chews for a little while, and the debug output looks OK.  I noticed
> that it recreated the /var/beowulf/boot.img file though ...  Why ?
>
> In any case, I reboot on of the dual nodes with the *existing* boot floppy
> (created last week from beosetup gui) and it appears to come up OK, but not
> all the way.  The log shows that it's still trying to use the UP modules in
> /lib/modules/2.2.17.beo.
>
> Dang.  I thought the phase 1 kernel on the floppy was a generic one (from
> /boot/vmlinuz.beoboot, which is just a symlink to
> vmlinuz-2.2.17-33.beobeoboot :) just to get to the master node to boot the
> "real" kernel - the smp one just installed.  Hmmm, OK, recreate the floppy
> from the gui.  I don't think it should be different, but just in case.
>
> This is worse.  It dies while loading vmlinuz, asking for another boot disk.
>
> Ah ha (again).  I just noticed module-info in /boot, pointing to the UP
> modules-info-2.2.17-33.beo file rather than the smp one.  I just changed
> that and rebooted a couple of the dual nodes.  We'll see.
>
> Nope.  Systems booted from the old floppy still try to use the UP modules in
> /lib/modules/2.2.17-33.beo
>
> So where exactly do all the kernels fit in ?
>
> /boot/vmlinuz-2.2.17-33.beobeoboot	aka vmlinuz.beoboot
> /var/beowulf/boot.img			What's the connection between these
> for the floppy ?
> /boot/vmlinuz-2.2.17-33.beosmp
>
> Sorry for being thick here ...
>
> --
> Dean Carpenter
> Principal Architect
> Purdue Pharma
> dean.carpenter at pharma.com
> deano at areyes.com
> 94TT :)
>
>
> -----Original Message-----
> From: Jag [mailto:agrajag at linuxpower.org]
> Sent: Monday, March 26, 2001 3:22 PM
> To: Carpenter, Dean
> Cc: 'beowulf at beowulf.org'
> Subject: Re: SMP support with the scyld package
>
>
> On Mon, 26 Mar 2001, Carpenter, Dean wrote:
>
> > Hummm.  I see that it ships with the 2.2.17 sources, but I don't see any
> SMP
> > kernels lying around ...
>
> It's in the kernel-smp package.
> ftp://ftp.scyld.com/pub/beowulf/current/RPMS/i686/kernel-smp-2.2.17-33.beo.i
> 686.rpm
>
> _______________________________________________
> Beowulf mailing list, Beowulf at beowulf.org
> To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
>

---------------------------------------------------------------------------
Keith Underwood                   Parallel Architecture Research Lab (PARL)
keithu at parl.clemson.edu                                  Clemson University