[libvirt] PATCH: Only pass in emulator if user requested it
Daniel P. Berrange
berrange at redhat.com
Fri Sep 5 12:05:28 UTC 2008
On Thu, Sep 04, 2008 at 02:54:55AM +0200, Stefan de Konink wrote:
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> Daniel P. Berrange schreef:
> > Previouly with Xen we would only specify an emulator path to XenD if there
> > was one provided in the XML. With the new domain XML routines we will always
> > lookup the default emulator path internally using our capabilities data.
> > So XenD sees an explicit emulator path even if the user didn't request one.
> > This works fine, except for paravirt guests where you only want to have
> > the text console active, and not the graphical framebuffer. In this
> > scenario, XenD starts QEMU-DM to handle the text console, but it crashes
> > because PVFB isn't configured.
> > This patch switches us back to the old behaviour where we only pass an
> > emulator to XenD if the user actually specified one - XenD is intelligent
> > enough to auto-configure a QEMU instance for paravirt framebuffers as
> > needed.
> > The logic looking up the default emulator did live in the generic XML
> > parsing routines. This patch removes it from the XML parsing stage,
> > and pushes it down into the individual drivers at time of use (if they
> > so desire).
> I have applied the patch, domains that have manually removed their
> <emulator> from the config get to work again. So this probably solves
> the issue I reported.
Great, this patch is now applied to CVS
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