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Fri, 18 Jul 2025 12:09:50 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 12:09:49 +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 #15 from Konstantin Belousov --- (In reply to Zhenlei Huang from comment #13) Any exception can be programmed to either cause VM exit or to be reflected directly into the VM. For Intel VMX, see vol.3 26.6.3 Exception Bitmap. By default, bhyve only sets the bit for the machine check exception in the bitmask, so all exceptions except #MC do not cause VM exits. Apparently there is a tunable hw.vmm.trace_guest_exceptions which can be used to do VM exit on all except= ions but then reflect them back (I never tried it). In any case, even if #UD would be passed through VM exit, bhyve does not ev= en try to emulate not implemented instructions. --=20 You are receiving this mail because: You are the assignee for the bug.=