Date: Sat, 30 Aug 2008 14:18:03 -0700 From: "Matthew Macy" <mat.macy@gmail.com> To: "Kris Kennaway" <kris@freebsd.org> Cc: freebsd-sun4v@freebsd.org Subject: Re: sun4v status Message-ID: <3c1674c90808301418n4fa0691fo30d61cc3e6595862@mail.gmail.com> In-Reply-To: <48B90B68.80802@FreeBSD.org> References: <20080830082702.GL86609@server.vk2pj.dyndns.org> <48B90B68.80802@FreeBSD.org>
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On Sat, Aug 30, 2008 at 1:57 AM, Kris Kennaway <kris@freebsd.org> wrote: > Peter Jeremy wrote: >> >> I'm trying to get up to speed with sun4v. Some questions: >> 1) Is there a more recent snapshot than 7.0-20061112-SNAP-sun4v-disc1.iso > > I don't know if there is a newer ISO image. You can cross-build a world and > install that though, if you can get it on there (netboot, live CD, etc). Just cross-build and netboot, you'll need to do it anyway. >> 2) Other than the pmap issues (missing TLB shootdowns) what are the >> critical issues that need to be addressed? > > There might be (probably are) others but it's hard to say until the system > is minimally usable. This is the only showstopper that I know of. It can take up to a couple of hours to hit with SCHED_4BSD. The moment you turn on PREEMPTION you'll start seeing seg faults at bootup. >> 3) What state is the virtual network driver in? I've seen several >> suggestions that it was being worked on but can't find it in the >> CVS repo. > All I had really working was the initial bits for registering resources and finding the device handle. I haven't looked at the Linux sources, but they may be a good reference. I can say from having looked that the Solaris sources are *not* a good reference except perhaps to clarify some hypervisor API issues that are ambiguous in the documentation. -Kip
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