Re: [PATCHv2] tools: hv: hv_set_ifconfig.sh double check before setting ip

From: Eduardo Otubo
Date: Fri Dec 08 2017 - 08:43:23 EST


On Fri, Dec 08, 2017 at 12:33:38PM +0100, Olaf Hering wrote:
> On Fri, Dec 08, Eduardo Otubo wrote:
>
> > tools/hv/hv_set_ifconfig.sh | 45 +++++++++++++++++++++++++++++++++++++++++++--
> > 1 file changed, 43 insertions(+), 2 deletions(-)
>
> > + # let's wait for 3 minutes
>
> Was this codepath runtime tested?
>
> Last time this came up, the conclusion was that Windows terminates the
> "KVP connection" after 60 seconds. After that, the VM must be rebooted
> because the kernel does not deal with the long-running script. It is
> also not clear what the kernel is supposed to do: either silently report
> success and hope the scripts reports success one day, or report error
> independent from what the script actually returns. New KVP requests
> would need to be queued either way.
>
Now that you mentioned, I guess my tests never touched this part. But I guess
we're going to fix this downstream-only setting a rule on systemd to start
hypervkvpd only after NetworkManager started. Please drop the reviews on this.

Regards,