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Mon, 11 May 2026 03:32:38 GMT (envelope-from bugzilla-noreply@freebsd.org) X-Authentication-Warning: kenobi.freebsd.org: www set sender to bugzilla-noreply@freebsd.org using -f From: bugzilla-noreply@freebsd.org To: virtualization@FreeBSD.org Subject: [Bug 285967] [hyper-v] Changing hn MTU causes on freeze on Azure D4ds_v6 (and other v6) instances Date: Mon, 11 May 2026 03:32:38 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 14.2-STABLE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: zlei@FreeBSD.org X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: virtualization@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc Message-ID: In-Reply-To: References: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="UTF-8" X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated List-Id: Discussion List-Archive: https://lists.freebsd.org/archives/freebsd-virtualization List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: freebsd-virtualization@freebsd.org Sender: owner-freebsd-virtualization@FreeBSD.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D285967 Zhenlei Huang changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |whu@FreeBSD.org, | |zlei@FreeBSD.org --- Comment #4 from Zhenlei Huang --- (In reply to Evans Chen from comment #0) The procstat(1) can report the kernel stack of the hanging process. The ker= nel 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. --=20 You are receiving this mail because: You are the assignee for the bug.=