RE: [PATCH] revert async probing of VMBus network devices.

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> -----Original Message-----
> From: linux-hyperv-owner@xxxxxxxxxxxxxxx <linux-hyperv-
> owner@xxxxxxxxxxxxxxx> On Behalf Of Stephen Hemminger
> Sent: Wednesday, June 5, 2019 2:51 PM
> To: netdev@xxxxxxxxxxxxxxx
> Cc: linux-hyperv@xxxxxxxxxxxxxxx; Stephen Hemminger
> <sthemmin@xxxxxxxxxxxxx>
> Subject: [PATCH] revert async probing of VMBus network devices.
> 
> Doing asynchronous probing can lead to reordered network device names.
> And because udev doesn't have any useful information to construct a
> persistent name, this causes VM's to sporadically boot with reordered device
> names and no connectivity.
> 
> This shows up on the Ubuntu image on larger VM's where 30% of the time
> eth0 and eth1 get swapped.
> 
> Note: udev MAC address policy is disabled on Azure images because the
> netvsc and PCI VF will have the same mac address.
> 
> Fixes: af0a5646cb8d ("use the new async probing feature for the hyperv
> drivers")
> Signed-off-by: Stephen Hemminger <sthemmin@xxxxxxxxxxxxx>
> ---

Reviewed-by: Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>




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