Nicholas Geovanis <nickgeova...@gmail.com> wrote:

> I have a 9.2 system running in a VMware VM which receives the
> following message at startup which I've never seen before. The VMware
> network driver in use is VMXNET 3; the VMware tools daemon is running:

> kernel: TCP: ens192: Driver has suspect GRO implementation, TCP
> performance may be compromised

> There does not appear to be any actual networking or performance
> impact so far, but obviously this will be used eventually for
> higher-volume servers, so any performance impact is important. Does
> anyone have more info on this issue?

As long as you use at lease ESXi 6.5u1 there will be no problem. If you
are on pre-6.5u1, your Stretch VMs will freeze/crash after a short amount of
traffic because of a bug in those earlier ESXi releases.

See also https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=864642
https://www.reddit.com/r/homelab/comments/6s5dh6/debian_9_on_esxi_65u1_complete_lockup/
https://bugzilla.kernel.org/show_bug.cgi?id=191201#c49

Grüße,
Sven.

-- 
Sigmentation fault. Core dumped.

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