From nobody Mon Apr 14 22:59:11 2025 X-Original-To: bugs@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4Zc2lz3gspz5sQGj for ; Mon, 14 Apr 2025 22:59:11 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R10" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4Zc2lz2rfwz3pYj for ; Mon, 14 Apr 2025 22:59:11 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1744671551; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=dSbGB5c4YRinvsiD9UVpPuqnA15GUrGkXjkj7HSbM0c=; b=kKAyAd+Tks7MfxKgKuVDxKThVeo3OEj9CK1rtDgfq8nQR2jiEmJtAVozt+jn35o+fPInXh jHh2ZE/O0Pg+Td3LWUjGwvHJgm7Qv/H4HKUQXJD8UJEpYrZmH18U7CtHvRWiPdGh+r98G8 WTFKBJq4wdMOXnxx0b37dUw/8ApjxqTOoF4ukbphpOmiUztszcH6AgQ+pqS6dP/mkc3kZ7 oA4Iv4KZrukqqZyohZIrjFXTy3JxVmv2m9i992tmOnw1K2YS7V9wEi55amIBvRYkn5ckH9 ju/OFU9PZae+8nwahGMZPRidNE/ilf+VByZ5pIKy2iywVPv8tbAzBEmAnVMhxg== ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1744671551; a=rsa-sha256; cv=none; b=VTVj2GPXwQ8TjXQGRBzcwQtqSAIqo4dXyT2NHF1Arnh3g40g7shSrgv2HXD6yBRLgyyRMO WHqZcaB72e6K7UCVpYeG0wGpp+rHLWznSm9ycunF8+TNOS9/t0t9TEzPqAdFyUnIjDanuK ECuvpWA/NHsgGavxewMPHxuTRr/Z6LPpUvpmdhi/Fk70S0Wq065cg/kE/U72I2ytxi1e32 nPfE5Mmd0eE/TIiKlMQs+CMz/9LOaFZBb+7pVb/fFq1yJzCqV653CqeZ1jfn63jNMeNixK i59qHmBR6H7OSBsfHZ1mqxZqlaIIvY3/Ha2q19+3nxsK2d+53MVxJaKVEf/RBA== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1744671551; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=dSbGB5c4YRinvsiD9UVpPuqnA15GUrGkXjkj7HSbM0c=; b=ehyQOCHdvrLjvRBDFH83/jkypB7E/kBjTXfQndD7lwuvBp+xW7FaK0Cu5XeY0N0KJFLy5k ADtK68c5osTe3MPtvLURa71KJEOZZBRG/CyiOlvIbjyBbth56YyKD7goKItT0N3Q9W0az1 0NfSvGUNkNopJn81FT9NCVSzfneaq7Om3p4/T6KT+fA8Alz8ej63E4x4itHBvVS0NfqnSo OKVfaOY5BD99bObNbZOS0h/Ug1JEtiZqC865myqHFr9GDsIYFa7qrLopv0W8Tp6YJ2EPNM hTHvTBaKOxSHe9nchnClfAjzvV6NBINGPIJOIIKds0OJK2ggW2UP8ynY5KarKQ== Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2610:1c1:1:606c::50:1d]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4Zc2lz2MG2z16sR for ; Mon, 14 Apr 2025 22:59:11 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org ([127.0.1.5]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id 53EMxB3x083782 for ; Mon, 14 Apr 2025 22:59:11 GMT (envelope-from bugzilla-noreply@freebsd.org) Received: (from www@localhost) by kenobi.freebsd.org (8.15.2/8.15.2/Submit) id 53EMxBpL083780 for bugs@FreeBSD.org; Mon, 14 Apr 2025 22:59:11 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 285867] 14.2-RELEASE kernel hangs on Thinkpad T400 Date: Mon, 14 Apr 2025 22:59:11 +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-RELEASE X-Bugzilla-Keywords: X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: anthony@adfw.co.uk X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: bugs@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: 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=3D285867 --- Comment #27 from Anthony Williams --- Fortunately the T400 is old enough to have a serial port on the docking station. I've attached serial verbose boot outputs from memstick images of 14.1-RELE= ASE and 14.2-RELEASE, with SMP enabled and disabled. In both 14.1-R and 14.2-R, booting with ACPI disabled causes an instant pan= ic: > APIC: Could not find any APICs. > panic: running without device atpic requires a local APIC The most significant memory-related difference appears to be (diff the rele= vant attachments for context):=20 14.1-RELEASE: 0x0000000002422000 - 0x00000000bd4a0fff, 3137859584 bytes (766079 pages) avail memory =3D 8167993344 (7789 MB) x86bios: SSEG 0x09c000-0x09cfff at 0xfffffe00103dc000 14.2-RELEASE: 0x0000000002401000 - 0x00000000bd4a0fff, 3137994752 bytes (766112 pages) avail memory =3D 8168169472 (7789 MB) x86bios: SSEG 0x09c000-0x09cfff at 0xfffffe00103d4000 So 14.2-RELEASE is seeing 0x21000 more bytes / 33 pages in the above memory chunk, and has the SSEG (?) BIOS region mapped(?) 0x8000 bytes lower down. Sorry for any imprecision here, I've not had to look at memory mapping of a= PC BIOS much before! Anthony --=20 You are receiving this mail because: You are the assignee for the bug.=