Re: [Qemu-devel] [Qemu-block] Guest unresponsive after Virtqueue size exceeded error

[Stefan Hajnoczi]

On Thu, Jan 31, 2019 at 11:32:32AM +0000, Fernando Casas Schössow wrote:
> Sorry for resurrecting this thread after so long but I just upgraded the host 
> to Qemu 3.1 and libvirt 4.10 and I'm still facing this problem.
> At the moment I cannot use virtio disks (virtio-blk nor virtio-scsi) with my 
> guests in order to avoid this issue so as a workaround I'm using SATA 
> emulated storage which is not ideal but is perfectly stable.
> 
> Do you have any suggestions on how can I progress troubleshooting?
> Qemu is not crashing so I don't have any dumps that can be analyzed. The 
> guest is just "stuck" and all I can do is destroy it and start it again.
> It's really frustrating that after all this time I couldn't find the cause 
> for this issue so any ideas are welcome.

Hi Fernando,
Please post your QEMU command-line (ps aux | grep qemu) and the details
of the guest operating system and version.

Stefan

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