Date: Fri, 22 Aug 2008 22:16:03 +0200 From: Marius Strobl <marius@alchemy.franken.de> To: Kris Kennaway <kris@freebsd.org> Cc: sun4v@freebsd.org, freebsd-stable@freebsd.org, Kip Macy <kmacy@freebsd.org>, freebsd-hackers@freebsd.org, freebsd-sun4v@freebsd.org, FreeBSD Current <freebsd-current@freebsd.org> Subject: Re: the future of sun4v Message-ID: <20080822201603.GA14444@alchemy.franken.de> In-Reply-To: <48AEA699.10903@FreeBSD.org> References: <3c1674c90808211442t707966fq29997b53a70ed2f7@mail.gmail.com> <20080822113317.GD32539@server.vk2pj.dyndns.org> <48AEA699.10903@FreeBSD.org>
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On Fri, Aug 22, 2008 at 01:44:25PM +0200, Kris Kennaway wrote: > Peter Jeremy wrote: > >[Replies re-directed to freebsd-sun4v] > > > >On 2008-Aug-21 14:42:55 -0700, Kip Macy <kmacy@freebsd.org> wrote: > >>I believe that there is a general expectation by freebsd users and > >>developers that unsupported code should not be in CVS. Although sun4v > >>is a very interesting platform for developers doing SMP work, I simply > >>do not have the time or energy to maintain it. If someone else would > >>like to step up and try his hand I would be supportive of his efforts. > >>In the likely event that no one steps forward by the time that 7.1 is > >>released I will ask that it be moved to the Attic. > > > >Since there are no other current SPARC CPUs that FreeBSD can run on > >(the US-II has been obsolete for about 6 years and FreeBSD won't run > >on any more recent sun4u chips), that will also remove the > >justification for maintaining a SPARC64 port. > > > >I don't have the knowledge or available time to maintain the sun4v > >port by myself but would be happy to be part of a team doing so. One > >impediment I have is that I don't have a T-1 or T-2 system that I can > >dedicate to FreeBSD. I could work on FreeBSD in a guest domain - but > >since FreeBSD doesn't support either the virtual disk or virtual > >network, actually getting FreeBSD running there presents somewhat of a > >challenge. > > > > There are two t1000 systems in the freebsd.org cluster that are > available for people to work on. Rink Springer has also expressed > interest in this. > > Perhaps Kip can explain some more about what things he looked at, but > the most serious bugs might be in pmap or perhaps trap handling. > Operationally, things like buildworld -jN die quickly with random > signals, kernel traps, etc. > > Kris > > P.S. It looks like marius has made progress on US III but sun4u is still > an architectural dead end. Well, let's see what architecture the upcoming Rock CPUs are; judging their feature list they appear to be a continuation of the Fujitsu sun4u line rather than a successor of UST1/2 :) Marius
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