From owner-freebsd-java@FreeBSD.ORG Tue Mar 25 11:45:39 2014 Return-Path: Delivered-To: freebsd-java@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 2E71D405 for ; Tue, 25 Mar 2014 11:45:39 +0000 (UTC) Received: from relay00.pair.com (relay00.pair.com [209.68.5.9]) by mx1.freebsd.org (Postfix) with SMTP id D7BF8EF4 for ; Tue, 25 Mar 2014 11:45:38 +0000 (UTC) Received: (qmail 18697 invoked from network); 25 Mar 2014 11:45:31 -0000 Received: from 87.58.146.155 (HELO x2.osted.lan) (87.58.146.155) by relay00.pair.com with SMTP; 25 Mar 2014 11:45:31 -0000 X-pair-Authenticated: 87.58.146.155 Received: from x2.osted.lan (localhost [127.0.0.1]) by x2.osted.lan (8.14.5/8.14.5) with ESMTP id s2PBjUlH097633; Tue, 25 Mar 2014 12:45:31 +0100 (CET) (envelope-from pho@x2.osted.lan) Received: (from pho@localhost) by x2.osted.lan (8.14.5/8.14.5/Submit) id s2PBjUEF097632; Tue, 25 Mar 2014 12:45:30 +0100 (CET) (envelope-from pho) Date: Tue, 25 Mar 2014 12:45:30 +0100 From: Peter Holm To: Henrik Gulbrandsen Subject: Re: kern/187238: vm.pmap.pcid_enabled="1" causes Java to coredump in FBSD 10 Message-ID: <20140325114530.GA97580@x2.osted.lan> References: <831cb7b9f4719265e66a26edcf6c0859@www.gulbra.net> <20140324191138.GZ21331@kib.kiev.ua> <4fef2a9d6875efd153ec11294c0cded6@www.gulbra.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4fef2a9d6875efd153ec11294c0cded6@www.gulbra.net> User-Agent: Mutt/1.5.21 (2010-09-15) Cc: Konstantin Belousov , Craig Rodrigues , Alan Cox , bug-followup@freebsd.org, freebsd-java@freebsd.org X-BeenThere: freebsd-java@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: Porting Java to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 25 Mar 2014 11:45:39 -0000 On Tue, Mar 25, 2014 at 12:35:01PM +0100, Henrik Gulbrandsen wrote: > On 2014-03-24 20:11, Konstantin Belousov wrote: > > Yes, I think that the analysis and the patch (for stable/10) is > > correct. > > Thank you for tracking this down. > > I'm glad to hear that. I was a bit worried when I encountered a very > similar crash in another Java port yesterday, but that was independent > of the vm.pmap.pcid_enabled tunable and turned out to be a simple > ABI version mismatch. > > > Show me the first lines of the verbose dmesg for your machine. > > I'm sorry - was this a request for me or Craig? I'm not quite sure > what information you're looking for. > > > Below is the cumulative patch for HEAD. If somebody can test this > > with jdk build on HEAD, it would be useful. > > For testing, the tunable vm.pmap.pcid_enabled must be set to 1 > > from the loader prompt. > > I'd be happy to test, but at the moment I'm stuck doing some real work > on my only suitable machine, so it will have to wait. If anyone else > wants to do it - feel free to contribute! :-) > > /Henrik I'm testing this right now. Uptime is 3 hours so far. -- Peter