From owner-freebsd-current@FreeBSD.ORG Mon Aug 11 17:14:17 2003 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 7E1C137B401 for ; Mon, 11 Aug 2003 17:14:17 -0700 (PDT) Received: from postal3.es.net (postal3.es.net [198.128.3.207]) by mx1.FreeBSD.org (Postfix) with ESMTP id C205143FBF for ; Mon, 11 Aug 2003 17:14:16 -0700 (PDT) (envelope-from oberman@es.net) Received: from ptavv.es.net ([198.128.4.29]) by postal3.es.net (Postal Node 3) with ESMTP (SSL) id MUA74016; Mon, 11 Aug 2003 17:14:15 -0700 Received: from ptavv (localhost [127.0.0.1]) by ptavv.es.net (Tachyon Server) with ESMTP id 6914B5D07; Mon, 11 Aug 2003 17:14:14 -0700 (PDT) To: Bosko Milekic In-Reply-To: Message from Bosko Milekic <20030811100549.GA33392@technokratis.com> Date: Mon, 11 Aug 2003 17:14:14 -0700 From: "Kevin Oberman" Message-Id: <20030812001414.6914B5D07@ptavv.es.net> cc: freebsd-current@freebsd.org Subject: Re: 5.1, Data Corruption, Intel, Oh my! [patch] X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 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: Tue, 12 Aug 2003 00:14:17 -0000 Bosko, I am seeing a very similar thing on my CURRENT system after applying your patch It's also when probing APM. I suspect it's not an issue with ACPI. It is also at least very similar to the crash I see when I add DISABLE_PSE to my kernel. Here is mine, as transcribed by hand from my IBM T30 with P4-M uniprocessor: Fatal trap 12: page fault while in kernel mode fault virtual address = 0x1c fault code = supervisor write, page not present instruction pointer = 0x8:0xc06492a0 stack pointer = 0x10:0xc0c219a2 frame pointer = 0x10:0xc0c21b0e 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 (swapper) kernel: type 12 trap, code=0 Stopped at vm_fault+0x240: cmpxchgl #edx,0x1c(%ecx) db> trace vm_fault(c102f000,c0000000,2,0,c07470a0) at vm_fault+240 trap_pfault(c0c21b9e,0,c00004d8,100000,c00004d8) at trap_pfault+0x1e3 trap(1bc40018,10,6fe40060,1c,0) at trap+0x2cd calltrap() at calltrap+0x5 --- trap 0xc, eip = 0x58de, esp = 0xc0c21bde, epb = 0xc0c21be4 --- (null)(1bf80058,0,530e0102,80202,5059f6) at 0x58de db> The kernel was cvsuped this afternoon and patched only with your patch. I had to panic twice to get a core dump and I have doubts about its validity. -- R. Kevin Oberman, Network Engineer Energy Sciences Network (ESnet) Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab) E-mail: oberman@es.net Phone: +1 510 486-8634