From owner-freebsd-stable@FreeBSD.ORG Mon Dec 5 22:41:14 2011 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 48238106564A for ; Mon, 5 Dec 2011 22:41:14 +0000 (UTC) (envelope-from lacombar@gmail.com) Received: from mail-bw0-f54.google.com (mail-bw0-f54.google.com [209.85.214.54]) by mx1.freebsd.org (Postfix) with ESMTP id CD0DB8FC1A for ; Mon, 5 Dec 2011 22:41:13 +0000 (UTC) Received: by bkat2 with SMTP id t2so8899018bka.13 for ; Mon, 05 Dec 2011 14:41:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type; bh=Pxt6GUI4HB9xcDimZ1ax5cZ8KP+Q8q1ArE+jeLe/pPE=; b=k5EgobJ/Hh8/l8V8EhaASXGY0t5zZFjsTI1gDNiJPndmd9lJ5i4cQk2ZvThhe21MZK imTlXxsaBECvJqWoC7dDkAYeGvlBziI/2GYLPhJ62lobhjPCsaVMh7vVxZQAkeNbd0mP iH3h2V0w61inbSGVyD7u786d+ARwOVmlberwk= MIME-Version: 1.0 Received: by 10.216.158.140 with SMTP id q12mr2333770wek.8.1323123347412; Mon, 05 Dec 2011 14:15:47 -0800 (PST) Received: by 10.180.94.2 with HTTP; Mon, 5 Dec 2011 14:15:47 -0800 (PST) Date: Mon, 5 Dec 2011 17:15:47 -0500 Message-ID: From: Arnaud Lacombe To: freebsd-stable Content-Type: text/plain; charset=ISO-8859-1 Subject: PAE broken on 7-STABLE X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 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, 05 Dec 2011 22:41:14 -0000 Hi, A FreeBSD 7-STABLE miserably crashes on the following: Fatal trap 12: page fault while in kernel mode cpuid = 0; apic id = 00 fault virtual address = 0xbfef0000 fault code = supervisor read, page not present instruction pointer = 0x20:0xc05fd1c2 stack pointer = 0x28:0xc0af6c7c frame pointer = 0x28:0xc0af6cc0 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, def32 1, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 0 () trap number = 12 panic: page fault cpuid = 0 KDB: stack backtrace: db_trace_self_wrapper(c0662728,0,c062b78b,c0af6b28,0,...) at db_trace_self_wrapper+0x26panic(c062b78b,c06639cc,c06c1de4,1,1,...) at panic+0x106trap_fatal(c0c74388,c065b897,c064d922,10,c0c74000,...) at trap_fatal+0x270 trap_pfault(c06d4e40,c0c74380,c0af6c40,3,c06c1bc0,...) at trap_pfault+0x2aa trap(c0af6c3c) at trap+0x36ecalltrap() at calltrap+0x6 --- trap 0xc, eip = 0xc05fd1c2, esp = 0xc0af6c7c, ebp = 0xc0af6cc0 --- pmap_map(c0af6d68,3f6ba000,6,3fef8000,6,...) at pmap_map+0x72 vm_page_startup(c0d3e000,a,c0af6d88,c03f8f26,0,...) at vm_page_startup+0x35a vm_mem_init(0,af0000,af0020,af0000,0,...) at vm_mem_init+0x18 mi_startup() at mi_startup+0x56begin() at begin+0x2c on a machine with 24GB of RAM, while PAE is meant to support up to 64GB. - Arnaud ps: this is just a report, I'm not really expecting anything, any longer, from the FreebSD "community".