From owner-freebsd-current@FreeBSD.ORG Sat Sep 18 19:06:45 2004 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 B6D7916A4CE for ; Sat, 18 Sep 2004 19:06:45 +0000 (GMT) Received: from mail.mcneil.com (mcneil.com [24.199.45.54]) by mx1.FreeBSD.org (Postfix) with ESMTP id 92B6D43D31 for ; Sat, 18 Sep 2004 19:06:45 +0000 (GMT) (envelope-from sean@mcneil.com) Received: from localhost (localhost.mcneil.com [127.0.0.1]) by mail.mcneil.com (Postfix) with ESMTP id 8FB13F18B8 for ; Sat, 18 Sep 2004 12:06:44 -0700 (PDT) Received: from mail.mcneil.com ([127.0.0.1]) by localhost (server.mcneil.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 00715-02 for ; Sat, 18 Sep 2004 12:06:43 -0700 (PDT) Received: from [24.199.45.54] (mcneil.com [24.199.45.54]) by mail.mcneil.com (Postfix) with ESMTP id 666EBF188F for ; Sat, 18 Sep 2004 12:06:43 -0700 (PDT) From: Sean McNeil To: freebsd-current@freebsd.org Content-Type: text/plain Message-Id: <1095534403.1151.4.camel@server.mcneil.com> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6 Date: Sat, 18 Sep 2004 12:06:43 -0700 Content-Transfer-Encoding: 7bit X-Virus-Scanned: by amavisd-new at mcneil.com Subject: ULE scheduler not quite there yet 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: Sat, 18 Sep 2004 19:06:45 -0000 I've had good luck with the 4BSD scheduler and PREEMPTION on so I thought I would try the ULE scheduler. Was up for just a short time before I got the following on my amd64 machine: Sep 18 11:58:54 server kernel: Fatal trap 12: page fault while in kernel mode Sep 18 11:58:54 server kernel: fault virtual address = 0x288 Sep 18 11:58:54 server kernel: fault code = supervisor read, page not present Sep 18 11:58:54 server kernel: instruction pointer = 0x8:0xffffffff803134fcSep 18 11:58:54 server kernel: stack pointer = 0x10:0xffffffffb1b988a0 Sep 18 11:58:54 server kernel: frame pointer = 0x10:0xffffffffb1b988b0 Sep 18 11:58:54 server kernel: code segment = base 0x0, limit 0xfffff, type 0x1b Sep 18 11:58:54 server kernel: = DPL 0, pres 1, long 1, def32 0, gran 1 Sep 18 11:58:54 server kernel: processor eflags = resume, IOPL = 0 Sep 18 11:58:54 server kernel: current process = 37 (swi1: net) Sep 18 11:58:54 server kernel: trap number = 12 Sep 18 11:58:54 server kernel: panic: page fault Sep 18 11:58:54 server kernel: KDB: enter: panic Sep 18 11:58:54 server kernel: Sep 18 11:58:54 server kernel: Sep 18 11:58:54 server kernel: Fatal trap 3: breakpoint instruction fault while in kernel mode Sep 18 11:58:54 server kernel: instruction pointer = 0x8:0xffffffff8031bb5fSep 18 11:58:54 server kernel: stack pointer = 0x10:0xffffffffb1b98620 Sep 18 11:58:54 server kernel: frame pointer = 0x10:0xffffffffb1b98630 Sep 18 11:58:54 server kernel: code segment = base 0x0, limit 0xfffff, type 0x1b Sep 18 11:58:54 server kernel: = DPL 0, pres 1, long 1, def32 0, gran 1 Sep 18 11:58:54 server kernel: processor eflags = IOPL = 0 Sep 18 11:58:54 server kernel: current process = 37 (swi1: net) Sep 18 11:58:54 server kernel: trap number = 3 Sep 18 11:58:54 server kernel: panic: breakpoint instruction fault Sep 18 11:58:54 server kernel: KDB: enter: panic Sep 18 11:58:54 server kernel: Sep 18 11:58:54 server kernel: Sep 18 11:58:54 server kernel: Fatal trap 3: breakpoint instruction fault while in kernel mode Sep 18 11:58:54 server kernel: instruction pointer = 0x8:0xffffffff8031bb5fSep 18 11:58:54 server kernel: stack pointer = 0x10:0xffffffffb1b983a0 Sep 18 11:58:54 server kernel: frame pointer = 0x10:0xffffffffb1b983b0 Sep 18 11:58:54 server kernel: code segment = base 0x0, limit 0xfffff, type 0x1b Sep 18 11:58:54 server kernel: = DPL 0, pres 1, long 1, def32 0, gran 1 Sep 18 11:58:54 server kernel: processor eflags = IOPL = 0 Sep 18 11:58:54 server kernel: current process = 37 (swi1: net) Sep 18 11:58:54 server kernel: trap number = 3 Sep 18 11:58:54 server kernel: panic: breakpoint instruction fault Sep 18 11:58:54 server kernel: KDB: enter: panic Goes on for a while and then resets the computer. Cheers, Sean