[Bug 285967] [hyper-v] Changing hn MTU causes on freeze on Azure D4ds_v6 (and other v6) instances

From: <bugzilla-noreply_at_freebsd.org>
Date: Mon, 11 May 2026 03:32:38 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=285967

Zhenlei Huang <zlei@FreeBSD.org> changed:

           What    |Removed                     |Added
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                 CC|                            |whu@FreeBSD.org,
                   |                            |zlei@FreeBSD.org

--- Comment #4 from Zhenlei Huang <zlei@FreeBSD.org> ---
(In reply to Evans Chen from comment #0)
The procstat(1) can report the kernel stack of the hanging process. The kernel
stack is extremely useful to help diagnosing the issue.

```
# procstat -kk $pid_of_ifconfig
```

BTW, 14.2 is out of support, please try recent versions.

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