From owner-freebsd-java Tue Feb 25 10:39:50 2003 Delivered-To: freebsd-java@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id BCF4937B401 for ; Tue, 25 Feb 2003 10:39:48 -0800 (PST) Received: from mgr2.xmission.com (mgr2.xmission.com [198.60.22.202]) by mx1.FreeBSD.org (Postfix) with ESMTP id EA82943FCB for ; Tue, 25 Feb 2003 10:39:47 -0800 (PST) (envelope-from glewis@eyesbeyond.com) Received: from mail by mgr2.xmission.com with spam-scanned (Exim 3.35 #1) id 18njzP-0005zn-02 for freebsd-java@freebsd.org; Tue, 25 Feb 2003 11:39:39 -0700 Received: from [207.135.128.145] (helo=misty.eyesbeyond.com) by mgr2.xmission.com with esmtp (Exim 3.35 #1) id 18njyI-0005Ns-02; Tue, 25 Feb 2003 11:38:30 -0700 Received: (from glewis@localhost) by misty.eyesbeyond.com (8.11.6/8.11.6) id h1PIcQQ51557; Wed, 26 Feb 2003 05:08:26 +1030 (CST) (envelope-from glewis@eyesbeyond.com) X-Authentication-Warning: misty.eyesbeyond.com: glewis set sender to glewis@eyesbeyond.com using -f Date: Wed, 26 Feb 2003 05:08:25 +1030 From: Greg Lewis To: Milo Hyson Cc: FreeBSD Java Mailing List Subject: Re: IBM JDK status Message-ID: <20030226050825.C51511@misty.eyesbeyond.com> References: <3E5BB558.2070803@cyberlifelabs.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <3E5BB558.2070803@cyberlifelabs.com>; from milo@cyberlifelabs.com on Tue, Feb 25, 2003 at 10:26:32AM -0800 X-Spam-Status: No, hits=-3.5 required=8.0 tests=IN_REP_TO,QUOTED_EMAIL_TEXT,REFERENCES, SIGNATURE_SHORT_DENSE,SPAM_PHRASE_00_01,USER_AGENT, USER_AGENT_MUTT,X_AUTH_WARNING version=2.43 X-Spam-Level: Sender: owner-freebsd-java@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.org On Tue, Feb 25, 2003 at 10:26:32AM -0800, Milo Hyson wrote: > Just an update on the broken IBM JDK issue. I've been working with the > Linux emulation people, and we've narrowed the problem down to a bug > somewhere in the kernel -- most likely in modify_ldt(). Here's what > we've found: > > * modify_ldt() is returning an illegal value (the selector index) when > called with func 0x11. > > * The main JVM thread is receiving a SIGSEGV immediately thereafter. > > * An endless stream of kernel trap 26 (segment-not-present) errors is > recorded in /var/log/messages. > > * The exact same sequence of calls does not fail on Linux. > > Unfortunately, I have not been able to capture any core dumps since (on > my system) the process hangs and does not crash. If anybody out there > does have any dumps, please email them to me. Great work! gcore(1) is your friend :). -- Greg Lewis Email : glewis@eyesbeyond.com Eyes Beyond Web : http://www.eyesbeyond.com Information Technology FreeBSD : glewis@FreeBSD.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-java" in the body of the message