Re: [Xen-users] "It's disallowed to assign <device> with shared RMRR at <address> for Dom<N>" after upgrading to 4.6

[George Dunlap <dunlapg@xxxxxxxxx>]

On Tue, Aug 2, 2016 at 3:09 AM, Stephen Oberholtzer <stevie@xxxxxxxxx> wrote:
> So I finally upgraded my system -- kernel 3.16 -> 4.6, Xen 4.5 -> 4.6, qemu
> 2.1 -> 2.6, and now my HVM domain with PCI passthrough won't start.
>
> The first issue was that xl submits a now-invalid command line to qemu for
> an empty cdrom (qemu gives a truly bizarre error message here: "Must specify
> either driver or file").  I gave up and removed the drive entirely;
> hopefully I don't need to use that drive anytime soon.

Stephen,

Could you make a separate thread and do a more full report of this
bug?  We definitely want to keep the CDROM functionality working.

 -George

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