On Thu, Jul 27, 2017 at 10:11:48AM +0100, Peter Maydell wrote: > On 27 July 2017 at 02:30, Michael Roth <mdr...@linux.vnet.ibm.com> wrote: > > In particular, Mellanox CX4 adapters on PowerNV hosts might not be fully > > quiesced by vfio-pci's finalize() routine until up to 6s after the > > DEVICE_DELETED was emitted, leading to detach-device on the libvirt side > > pretty > > much always crashing the host. > > My initial naive thought is that if the host kernel can crash then > this is a host kernel bug... shouldn't the host kernel refuse > the subsequent libvirt rebind if it would cause a crash ?
I think so too, but I haven't been able to convince Alex. Nor
find time to fix it in the kernel myself.
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
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