Date: Sun, 17 Aug 2003 00:09:20 +0200 From: Thomas Moestl <tmm@freebsd.org> To: David O'Brien <obrien@freebsd.org> Cc: sparc64@freebsd.org Subject: Re: Sparc slowdown - problem identified... Message-ID: <20030816220920.GA674@crow.dom2ip.de> In-Reply-To: <20030816212727.GA6164@dragon.nuxi.com> References: <20030815121010.I97608@beagle.fokus.fraunhofer.de> <20030815135034.GA701@crow.dom2ip.de> <20030815080055.O22214@seekingfire.com> <20030815143404.GB701@crow.dom2ip.de> <20030816212727.GA6164@dragon.nuxi.com>
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On Sat, 2003/08/16 at 14:27:27 -0700, David O'Brien wrote: > On Fri, Aug 15, 2003 at 04:34:04PM +0200, Thomas Moestl wrote: > > > The notes for OFW_NEWPCI say: > > > > > > # 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 :-) > > Please, please, please, please consider making OFW_NEWPCI the default. I'll probably do that soon, but of course the bug which leaves the caches disabled should also be fixed. > After turning it on, 'make buildworld': > > 3h37m12.24s real 2h56m32.37s user 34m20.62s sys > > still a little slower than before, but not the 4x degradation I > experienced. > > I'm curious why you didn't see this on your Blade 100 didn't experience > this as mine did. Could it be that you have no devices in your PCI slots > and I have two SCSI cards? No, but I'm using OFW_NEWPCI routinely on my boxen and did not measure build times without this option. - Thomas -- Thomas Moestl <t.moestl@tu-bs.de> http://www.tu-bs.de/~y0015675/ <tmm@FreeBSD.org> http://people.FreeBSD.org/~tmm/ PGP fingerprint: 1C97 A604 2BD0 E492 51D0 9C0F 1FE6 4F1D 419C 776C
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