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Date:      Tue, 26 Jul 2011 11:58:45 -0700
From:      Colin Percival <cperciva@freebsd.org>
To:        Sean Bruno <seanbru@yahoo-inc.com>
Cc:        "freebsd-xen@freebsd.org" <freebsd-xen@freebsd.org>
Subject:   Re: FreeBSD PV i386 panics
Message-ID:  <4E2F0E65.70603@freebsd.org>
In-Reply-To: <1311705329.3927.8.camel@hitfishpass-lx.corp.yahoo.com>
References:  <1311705329.3927.8.camel@hitfishpass-lx.corp.yahoo.com>

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On 07/26/11 11:35, Sean Bruno wrote:
> I assume then, that the i386 PV instance cannot do more than 1 CPU at
> this time?

Correct.  SMP support was clearly started but never completed.

> I note that if I scale the i386 PV Xen kernel past 855MB, I get an insta
> panic at boot.  I assume that there's a hard limit on the amount of RAMS
> we can use here?

There's a problem somewhere in FreeBSD's PV machine init code, but I haven't had
an opportunity to track it down yet.  I hope to look at this some time soon (if
I can access the xen box in the cluster?) but I've been swamped lately.

-- 
Colin Percival
Security Officer, FreeBSD | freebsd.org | The power to serve
Founder / author, Tarsnap | tarsnap.com | Online backups for the truly paranoid



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