From owner-freebsd-stable@freebsd.org Mon Sep 12 17:53:52 2016 Return-Path: Delivered-To: freebsd-stable@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 4BDBBBD8732 for ; Mon, 12 Sep 2016 17:53:52 +0000 (UTC) (envelope-from slw@zxy.spb.ru) Received: from mailman.ysv.freebsd.org (mailman.ysv.freebsd.org [IPv6:2001:1900:2254:206a::50:5]) by mx1.freebsd.org (Postfix) with ESMTP id 36418786 for ; Mon, 12 Sep 2016 17:53:52 +0000 (UTC) (envelope-from slw@zxy.spb.ru) Received: by mailman.ysv.freebsd.org (Postfix) id 3203BBD8731; Mon, 12 Sep 2016 17:53:52 +0000 (UTC) Delivered-To: stable@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 31BB6BD8730 for ; Mon, 12 Sep 2016 17:53:52 +0000 (UTC) (envelope-from slw@zxy.spb.ru) Received: from zxy.spb.ru (zxy.spb.ru [195.70.199.98]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id E8E3A785; Mon, 12 Sep 2016 17:53:51 +0000 (UTC) (envelope-from slw@zxy.spb.ru) Received: from slw by zxy.spb.ru with local (Exim 4.86 (FreeBSD)) (envelope-from ) id 1bjVQS-000MKq-CQ; Mon, 12 Sep 2016 20:53:48 +0300 Date: Mon, 12 Sep 2016 20:53:48 +0300 From: Slawa Olhovchenkov To: Andriy Gapon Cc: Konstantin Belousov , stable@FreeBSD.org Subject: Re: X2APIC support Message-ID: <20160912175348.GV34394@zxy.spb.ru> References: <20160901121300.GZ88122@zxy.spb.ru> <4ba05c00-f737-f562-553d-a7fa59145768@FreeBSD.org> <20160904151415.GE83214@kib.kiev.ua> <20160904162926.GF83214@kib.kiev.ua> <358ed414-9da6-ac29-55fc-6d7be680c2ce@FreeBSD.org> <20160912093905.GP34394@zxy.spb.ru> <20160912164412.GS34394@zxy.spb.ru> <5662c700-f139-4754-8693-7adc0f2657be@FreeBSD.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <5662c700-f139-4754-8693-7adc0f2657be@FreeBSD.org> User-Agent: Mutt/1.5.24 (2015-08-30) X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: slw@zxy.spb.ru X-SA-Exim-Scanned: No (on zxy.spb.ru); SAEximRunCond expanded to false X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 12 Sep 2016 17:53:52 -0000 On Mon, Sep 12, 2016 at 08:05:33PM +0300, Andriy Gapon wrote: > On 12/09/2016 19:44, Slawa Olhovchenkov wrote: > > I am not kernel developer: please point what I am need insert and file > > for edit. > > In sys/amd64/amd64/mp_machdep.c (assuming you use amd64), in function > cpu_mp_start, in this place > /* Set boot_cpu_id if needed. */ > if (boot_cpu_id == -1) { > boot_cpu_id = PCPU_GET(apic_id); > cpu_info[boot_cpu_id].cpu_bsp = 1; > } else > > right after boot_cpu_id = PCPU_GET(apic_id) line please insert > printf("boot_cpu_id = %d\n", boot_cpu_id); VT(vga): text 80x25 CPU: Intel(R) Xeon(R) CPU E5-2650 v4 @ 2.20GHz (2200.05-MHz K8-class CPU) Origin="GenuineIntel" Id=0x406f1 Family=0x6 Model=0x4f Stepping=1 Features=0xbfebfbff Features2=0x7ffefbff AMD Features=0x2c100800 AMD Features2=0x121 Structured Extended Features=0x21cbfbb XSAVE Features=0x1 VT-x: PAT,HLT,MTF,PAUSE,EPT,UG,VPID,VID,PostIntr TSC: P-state invariant, performance statistics real memory = 137438953472 (131072 MB) avail memory = 133407973376 (127227 MB) Event timer "LAPIC" quality 600 ACPI APIC Table: boot_cpu_id = 255 kernel trap 12 with interrupts disabled Fatal trap 12: page fault while in kernel mode cpuid = 0; apic id = ff fault virtual address = 0x0 fault code = supervisor read data, page not present instruction pointer = 0x20:0xffffffff80537e74 stack pointer = 0x28:0xffffffff814b3a60 frame pointer = 0x28:0xffffffff814b3a70 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags = resume, IOPL = 0 current process = 0 () trap number = 12 panic: page fault cpuid = 0 KDB: stack backtrace: #0 0xffffffff805272e7 at kdb_backtrace+0x67 #1 0xffffffff804dd662 at vpanic+0x182 #2 0xffffffff804dd4d3 at panic+0x43 #3 0xffffffff807a37a1 at trap_fatal+0x351 #4 0xffffffff807a3993 at trap_pfault+0x1e3 #5 0xffffffff807a2f1c at trap+0x26c #6 0xffffffff80787ca1 at calltrap+0x8 #7 0xffffffff8083b53a at topo_probe+0x61a #8 0xffffffff8078fe93 at cpu_mp_start+0x1c3 #9 0xffffffff805382ca at mp_start+0x3a #10 0xffffffff80465cd8 at mi_startup+0x118 #11 0xffffffff8028dfac at btext+0x2c Uptime: 1s