Re: [Qemu-devel] Possible bug: virtio-scsi + iothread (Former x-data-plane) = "Guest moved index from 0 to 61440" warning

[Paolo Bonzini <pbonzini@redhat.com>]

On 06/04/2016 16:59, Zir Blazer wrote:
>> On Tue, Apr 05, 2016 at 07:49:47PM -0300, Zir Blazer wrote:
>> > The bare minimum script that produces the warning, should be this:
>> > #!/bin/bash
>> > qemu-system-x86_64 \-m 1024M \-enable-kvm \-object
> iothread,id=iothread0 \-device virtio-scsi-pci,iothread=iothread0 \
>> > This produces the "Guest moved index from 0 to 61440" warning.
>> 
>> It does not produce a warning with qemu.git/master. I see the BIOS
>> screen.
>> 
>> Stefan
> 
> Sad that you didn't manage to reproduce it. Maybe its fixed on latest
> QEMU, but to test that I would have to learn how to compile and install
> it myself (Or wait for the Arch Linux User Repository qemu-git to catch
> up, otherwise I will have to wait for 2.6).
> 
> I would like if someone could confirm if it happens on QEMU 2.5, or I'm
> the only one affected due to some other misconfiguration issue (Which
> would be rather rare, since what I'm using is a pretty much a fresh
> install, an Arch Linux has a mostly vanilla QEMU).

I can confirm that it shows the message in Fedora's QEMU 2.5 but not
with upstream 2.6.

Thanks,

Paolo