Date: Fri, 15 Aug 2003 11:02:21 -0600 From: Tillman <tillman@seekingfire.com> To: sparc64@freebsd.org Subject: Re: Sparc slowdown - problem identified... Message-ID: <20030815110221.T22214@seekingfire.com> In-Reply-To: <20030815143404.GB701@crow.dom2ip.de>; from t.moestl@tu-bs.de on Fri, Aug 15, 2003 at 04:34:04PM %2B0200 References: <20030815121010.I97608@beagle.fokus.fraunhofer.de> <20030815135034.GA701@crow.dom2ip.de> <20030815080055.O22214@seekingfire.com> <20030815143404.GB701@crow.dom2ip.de>
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On Fri, Aug 15, 2003 at 04:34:04PM +0200, Thomas Moestl wrote:
> On Fri, 2003/08/15 at 08:00:56 -0600, Tillman wrote:
> > Is OFW_NEWPCI where -CURRENT on Sparc is heading? I.e., if I enable it
> > now and go through any needed reconfiguration will I be saving myself
> > time in the future?
>
> Yes.
Great, thanks for the info. I'll compile a new kernel with OFW_NEWPCI
and try installing it over the weekend (compiling isn't fast at the
moment ;-) ).
> > # New OpenFirmware PCI framework. This fixes a number of interrupt-
> > # routing problems and changes the device enumeration to be hopefully
> > # closer to Solaris. Be aware that, because of the latter, enabling or
> > # disabling this option may require reconfiguration, and can even
> > # cause the machine to not boot without manual intervention before the
> > # fstab is adjusted.
> >
> > What sort of changes are likely to occur that would affect fstab? The
> > box is remote, so I can fix most things via a serial console as long as
> > it'll boot :-)
>
> If you've got multiple SCSI or ATA controllers installed, the order in
> which they are recognized might change, which affects the enumeration
> of the devices attached to them.
> It should be no problem to boot into single user and request a
> mountroot prompt ('boot -as' from the loader), then identify the new
> disk enumeration, mount the root file system from the prompt and
> finally adjust the fstab in single user mode as required.
Excellent, it looks like remotely changing to this should be fine :-)
BTW, what does "closer to Solaris" refer to? Detection order?
-T
--
Enlightenment is: do what you want, eat what there is
Jack Kerouac
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