[dpdk-dev] SRIOV hot unplug

[Iremonger, Bernard]

Hi Eli,

The DPDK application in the VM should remove the slave device from the bond device, stop, close and detach the device in the VM before doing "virsh detach-device" from the host.

Regards,

Bernard.


> -----Original Message-----
> From: dev [mailto:dev-bounces at dpdk.org] On Behalf Of Eli Britstein
> Sent: Sunday, July 17, 2016 9:58 AM
> To: dev at dpdk.org
> Subject: [dpdk-dev] SRIOV hot unplug
> 
> Hello,
> 
> A DPDK application with a DPDK bond device, with 2 slaves: one vnic, and
> another is a SRIOV VF connected as a pathrough.
> The bond device is configured as ACTIVE/BACKUP, and the primary is the VF
> slave.
> Now, I do "virsh detach-device" from the host, and the DPDK process in the
> VM gets segmentation fault, as it tries to poll an address that is not mmaped
> anymore.
> I wonder if this flow is supposed to be supported by DPDK, or not.
> Please advise.
> 
> Thanks,
> Eli
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