From owner-freebsd-current@freebsd.org Sun Jun 3 12:48:49 2018 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id C736CF77B3A for ; Sun, 3 Jun 2018 12:48:49 +0000 (UTC) (envelope-from freebsd@grem.de) Received: from mail.grem.de (outcast.grem.de [213.239.217.27]) by mx1.freebsd.org (Postfix) with SMTP id 5290383746 for ; Sun, 3 Jun 2018 12:48:48 +0000 (UTC) (envelope-from freebsd@grem.de) Received: (qmail 81891 invoked by uid 89); 3 Jun 2018 12:48:42 -0000 Received: from unknown (HELO bsd64.grem.de) (mg@grem.de@194.97.158.70) by mail.grem.de with ESMTPA; 3 Jun 2018 12:48:42 -0000 Date: Sun, 3 Jun 2018 14:48:40 +0200 From: Michael Gmelin To: "freebsd-current@freebsd.org" Cc: Matthias Apitz , jhb@freebsd.org Subject: Fatal trap 12: page fault on Acer Chromebook 720 (peppy) Message-ID: <20180603144840.44bfea41@bsd64.grem.de> X-Mailer: Claws Mail 3.15.1 (GTK+ 2.24.31; amd64-portbld-freebsd10.3) X-Face: $wrgCtfdVw_H9WAY?S&9+/F"!41z'L$uo*WzT8miX?kZ~W~Lr5W7v?j0Sde\mwB&/ypo^}> +a'4xMc^^KroE~+v^&^#[B">soBo1y6(TW6#UZiC]o>C6`ej+i Face: iVBORw0KGgoAAAANSUhEUgAAADAAAAAwBAMAAAClLOS0AAAAJFBMVEWJBwe5BQDl LASZU0/LTEWEfHbyj0Txi32+sKrp1Mv944X8/fm1rS+cAAAACXBIWXMAAAsTAAAL EwEAmpwYAAAAB3RJTUUH3wESCxwC7OBhbgAAACFpVFh0Q29tbWVudAAAAAAAQ3Jl YXRlZCB3aXRoIFRoZSBHSU1QbbCXAAAAAghJREFUOMu11DFvEzEUAGCfEhBVFzuq AKkLd0O6VrIQsLXVSZXoWE5N1K3DobBBA9fQpRWc8OkWouaIjedWKiyREOKs+3PY fvalCNjgLVHeF7/3bMtBzV8C/VsQ8tecEgCcDgrzjekwKZ7TwsJZd/ywEKwwP+ZM 8P3drTsAwWn2mpWuDDuYiK1bFs6De0KUUFw0tWxm+D4AIhuuvZqtyWYeO7jQ4Aea 7jUqI+ixhQoHex4WshEvSXdood7stlv4oSuFOC4tqGcr0NjEqXgV4mMJO38nld4+ xKNxRDon7khyKVqY7YR4d+Cg0OMrkWXZOM7YDkEfKiilCn1qYv4mighZiynuHHOA Wq9QJq+BIES7lMFUtcikMnkDGHUoncA+uHgrP0ctIEqfwLHzeSo+eUA66AqzwN6n 2ZHJhw6Qh/PoyC/QENyEyC/AyNjq74Bs+3UH0xYwzDUC4B97HgLocg1QLYgDDO1v f3UX9Y307Ew4AHh67YAFFsxEpkXwpXY3eIgMhAAE3R19L919nNnuD2wlPcDE3UeT L2ytEICQib9BXgS2fU8PrD82ToYO1OEmMSnYTjSqSv9wdC0tPYC+rQRQD9ESnldF CyqfmiYW+tlALt8gH2xrMdC/youbjzPXEun+/ReXsMCDyve3dZc09fn2Oas8oXGc Jj6/fOeK5UmSMPmf/jL+GD8BEj0k/Fn6IO4AAAAASUVORK5CYII= MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 03 Jun 2018 12:48:50 -0000 Hi, After upgrading CURRENT to r333992 (from something at least a year old, quite some changes in mp_machdep.c since), this machine crashes on boot: Copyright (c) 1992-2018 The FreeBSD Project. Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 The Regents of the University of California. All rights reserved. FreeBSD is a registered trademark of The FreeBSD Foundation. FreeBSD 12.0-CURRENT #1 r333992: Tue May 22 00:31:04 CEST 2018 root@flimsy:/usr/obj/usr/src/amd64.amd64/sys/flimsy amd64 FreeBSD clang version 6.0.0 (tags/RELEASE_600/final 326565) (based on LLVM 6.0.0) WARNING: WITNESS option enabled, expect reduced performance. VT(vga): resolution 640x480 CPU: Intel(R) Celeron(R) 2955U @ 1.40GHz (1396.80-MHz K8-class CPU) Origin="GenuineIntel" Id=0x40651 Family=0x6 Model=0x45 Stepping=1 Features=0xbfebfbff Features2=0x4ddaebbf AMD Features=0x2c100800 AMD Features2=0x21 Structured Extended Features=0x2603 XSAVE Features=0x1 VT-x: (disabled in BIOS) PAT,HLT,MTF,PAUSE,EPT,UG,VPID TSC: P-state invariant, performance statistics real memory = 4301258752 (4102 MB) avail memory = 1907572736 (1819 MB) Event timer "LAPIC" quality 600 ACPI APIC Table: kernel trap 12 with interrupts disabled Fatal trap 12: page fault while in kernel mode cpuid = 0; apic id = 00 fault virtual address = 0xfffff80001000000 fault code = supervisor write data, protection violation instruction pointer = 0x20:Oxffffffff8102955f stack pointer = 0x28:0xffffffff82a79be0 frame pointer = 0x28:0xffffffff82a79c10 code segment = base Ox0, limit Oxfffff, type Ox1b = DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags = resume, IOPL = 0 current process = 0 () [ thread pid 0 tid 0 ] Stopped at native_start_all_aps+0x08f: movq %rax,(%rsi) db> Any key press in the debugger will reboot the machine. Booting with kern.smp.disabled=1 works. Any ideas? -m -- Michael Gmelin