From: Zachary Amsden <zach@vmware.com>
To: Jeremy Fitzhardinge <jeremy@goop.org>
Cc: Chris Wright <chrisw@sous-sol.org>,
Virtualization Mailing List <virtualization@lists.osdl.org>,
Ian Campbell <Ian.Campbell@XenSource.com>
Subject: Re: Xen status
Date: Wed, 13 Sep 2006 17:30:12 -0700 [thread overview]
Message-ID: <4508A294.3090200@vmware.com> (raw)
In-Reply-To: <45088D19.5070801@goop.org>
Jeremy Fitzhardinge wrote:
> Well, the PDA stuff took a bit longer to settle down than I would have
> hoped, but it seems fairly sound now.
>
> I just committed the changes needed to make Xen happy with the PDA,
> which means making sure an appropriate GDT is set up early enough.
>
> I also seem to have avoided most of the APIC issues under Xen by
> simply making the cpuid not report the presence of an APIC.
>
> With these in place, things are getting fairly far, but not to
> usermode. It often gets as far as trying to mount root, but it fails;
> I haven't investigated that yet. But it also frequently crashes
> before then, depending on when it gets an interrupt. I'm trying to
> work out what's happening here, but the symptom is eip == 0x00000001 (!).
Bad patches? I put code in vmi.c to patch IRET and SYSEXIT EIPs to 0x1
and 0x2, respectively, once upon a time. Maybe it migrated over to you
somehow?
next prev parent reply other threads:[~2006-09-14 0:30 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-09-13 22:58 Xen status Jeremy Fitzhardinge
2006-09-14 0:30 ` Zachary Amsden [this message]
2006-09-14 1:59 ` Chris Wright
2006-09-14 6:35 ` Jeremy Fitzhardinge
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