Date: Fri, 24 Jan 2025 19:01:49 +0000 From: bugzilla-noreply@freebsd.org To: bugs@FreeBSD.org Subject: [Bug 284275] Jingsha B85M-I: System hangs on boot unless kern.smp.disabled=1 Message-ID: <bug-284275-227-3R5JIUkG8H@https.bugs.freebsd.org/bugzilla/> In-Reply-To: <bug-284275-227@https.bugs.freebsd.org/bugzilla/> References: <bug-284275-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D284275 --- Comment #4 from John Baldwin <jhb@FreeBSD.org> --- Hmm, a panic without ACPI due to not finding APIC should be deterministic.= =20 When ACPI is disabled, we use the MP Table to enumerate APICs. If the tabl= e is missing, you will get that panic, if the table is present, you will boot. = The fact that you are only getting that panic sometimes is very odd. It means = your firmware is not always generating that table. In general though, disabling ACPI is not really recommended on modern syste= ms.=20 The most helpful next step would be getting a verbose boot to better narrow down where it is hanging. --=20 You are receiving this mail because: You are the assignee for the bug.=
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