[Bug 252265] ESXi: network connectivity issues after snapshoting FreeBDS VM with vmxnet3 interfaces

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=252265

peter.sopko+freebsd.org at backbone.sk changed:

           What    |Removed                     |Added
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                 CC|                            |peter.sopko+freebsd.org at bac
                   |                            |kbone.sk

--- Comment #4 from peter.sopko+freebsd.org at backbone.sk ---
tested it now for FreeBSD 12.0-RELEASE-p4, FreeBSD 12.1-RELEASE-p10, FreeBSD
12.2-RELEASE-p6 and 13.0-RELEASE VMs (hypervisor VMware ESXi, 7.0.1, 17325551).

All appeared to be working correctly, but once (I did multiple test for each
FreeBSD version) the FreeBSD 12.1-RELEASE-p10 behaved very similarly to what
the original reported described (a moment after the snapshot has been created
ping response times went to 50000-60000ms and a few lost packets, when i tried
http it appeared as if the server was not responsive). After net reboot all
worked just fine. 

Tried for an hour to reproduce it again, but was unable to, so I suspect it is
not only related to vmx3, but there is some other factor to it (that probably
changes with time) as well.

The best solution would probably be to upgrade to 12.2/13.0 (as those appear to
work fine)

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