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Fri, 18 Jul 2025 07:58:10 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 288237] bhyve does not boot Rocky Linux 10 from ISO Date: Fri, 18 Jul 2025 07:58:10 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: bhyve X-Bugzilla-Version: 13.5-STABLE X-Bugzilla-Keywords: bhyve X-Bugzilla-Severity: Affects Some People X-Bugzilla-Who: kib@FreeBSD.org X-Bugzilla-Status: Open X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: virtualization@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: 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 MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D288237 --- Comment #12 from Konstantin Belousov --- (In reply to Zhenlei Huang from comment #11) No, if the guest issues undefined instruction, it must be reflected as the corresponding exception (#UD) back to the guest. It is up to the guest code to handle it or not. Typically the loaders are very naive in handling CPU exceptions, most often they do not even install exception handlers. This is even more true for UE= FI boot envs, where UEFI started having dedicated debugger protocol. In other words, if loader issued an instruction that is not supported by the CPU (and bhyve does not emulate unsupported instructions), the result is typically hang or silent reboot. --=20 You are receiving this mail because: You are the assignee for the bug.=