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Wed, 22 Jan 2025 20:51:57 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 50MKpva4064532 for bugs@FreeBSD.org; Wed, 22 Jan 2025 20:51:57 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: bugs@FreeBSD.org Subject: [Bug 284275] Jingsha B85M-I: System hangs on boot unless kern.smp.disabled=1 Date: Wed, 22 Jan 2025 20:51:57 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 14.2-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: k4sum1@eclipse.cx X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: bug_id short_desc product version rep_platform op_sys bug_status bug_severity priority component assigned_to reporter attachments.created Message-ID: 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: Bug reports List-Archive: https://lists.freebsd.org/archives/freebsd-bugs List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-bugs@FreeBSD.org MIME-Version: 1.0 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D284275 Bug ID: 284275 Summary: Jingsha B85M-I: System hangs on boot unless kern.smp.disabled=3D1 Product: Base System Version: 14.2-RELEASE Hardware: amd64 OS: Any Status: New Severity: Affects Only Me Priority: --- Component: kern Assignee: bugs@FreeBSD.org Reporter: k4sum1@eclipse.cx Created attachment 256916 --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D256916&action= =3Dedit Boot screen at freeze without kernel panic System is a custom built PC with a Jingsha B85M-I mainboard and an i5 4570T CPU. Booting in CSM/Legacy/MBR mode will result in the system hanging at bo= ot. UEFI mode is significantly more reliable, booting more often, but it still, albeit rarely, can freeze at the same spot. (I've only seen this twice with UEFI boot) Sometimes I get a kernel panic, but most of the time it just han= gs there. If I set kern.smp.disabled=3D1 the system boots up just fine. The system just reboots if I boot without ACPI, the first few times it then successfully booted without any changes, but I haven't been able to replica= te it again. Only one time booting without ACPI I got a kernel panic of "runni= ng without device atpic requires a local APIC" If I reset the system instead of powering off then back on after a failed b= oot, it will sometimes successfully boot, however I haven't been able to replica= te that the past few times. I've tested stock FreeBSD 14.2 and 13.3 (XigmaNAS 13.3.0.5), both have the = same issue and the fix is the same for both. --=20 You are receiving this mail because: You are the assignee for the bug.=