From owner-freebsd-current@FreeBSD.ORG Wed Nov 17 20:15:51 2010 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 28B11106566B for ; Wed, 17 Nov 2010 20:15:51 +0000 (UTC) (envelope-from freebsd-current@m.gmane.org) Received: from lo.gmane.org (lo.gmane.org [80.91.229.12]) by mx1.freebsd.org (Postfix) with ESMTP id CC0CF8FC1A for ; Wed, 17 Nov 2010 20:15:50 +0000 (UTC) Received: from list by lo.gmane.org with local (Exim 4.69) (envelope-from ) id 1PIoQ1-0002yp-Il for freebsd-current@freebsd.org; Wed, 17 Nov 2010 21:15:49 +0100 Received: from static-78-8-147-77.ssp.dialog.net.pl ([78.8.147.77]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 17 Nov 2010 21:15:49 +0100 Received: from mwisnicki+freebsd by static-78-8-147-77.ssp.dialog.net.pl with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Wed, 17 Nov 2010 21:15:49 +0100 X-Injected-Via-Gmane: http://gmane.org/ To: freebsd-current@freebsd.org From: Marcin Wisnicki Date: Wed, 17 Nov 2010 20:15:35 +0000 (UTC) Lines: 22 Message-ID: References: <20101113112447.GF2392@deviant.kiev.zoral.com.ua> <20101113115900.GA14975@freebsd.org> <20101113122853.GG2392@deviant.kiev.zoral.com.ua> <20101113123846.GA21390@freebsd.org> <20101113124146.GH2392@deviant.kiev.zoral.com.ua> <20101113124758.GA23469@freebsd.org> <4CDF0E7F.3060406@freebsd.org> <20101116224156.GA52556@freebsd.org> <20101117033520.GA95666@freebsd.org> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Complaints-To: usenet@dough.gmane.org X-Gmane-NNTP-Posting-Host: static-78-8-147-77.ssp.dialog.net.pl User-Agent: Pan/0.133 (House of Butterflies) Subject: Re: www/chromium crashing whole system X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 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: Wed, 17 Nov 2010 20:15:51 -0000 On Wed, 17 Nov 2010 03:35:20 +0000, Alexander Best wrote: > On Tue Nov 16 10, Alexander Best wrote: >> >> WOW! this is the first time i hear of such a concept. it seems great >> for people like me who are desktop users without any serial/firewire >> consoles or any additional debugging hardware. >> >> is there a way of trying this out somehow? personally i wouldn't need >> the memory dump to work in partitions. i'd simply blug in a blank usb >> stick and have the memory dump dd'ed onto it. i think adding partition >> awareness is not really needed. > > ok i read some more details and i think i figured out how to dump the > memory to a usb stick. question still remains however: will i be able to > use that memory snapshot in kgdb or gdb? > Probably not. I thought about it a bit more and realized that you will miss state of cpu registers which is rather important. How does debugging over firewire work if it only has access to host RAM ?