From mboxrd@z Thu Jan 1 00:00:00 1970 From: Konrad Rzeszutek Wilk Subject: Re: Can I use SGI's kdb with a dom0 pv-ops kernel? Date: Wed, 30 Jun 2010 12:11:33 -0400 Message-ID: <20100630161133.GD5100@phenom.dumpdata.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: Bruce Edge Cc: xen-devel@lists.xensource.com List-Id: xen-devel@lists.xenproject.org On Tue, Jun 29, 2010 at 03:05:42PM -0700, Bruce Edge wrote: > I asked this a few weeks ago but didn't get a response, so at the risk of > being a nag, I'll abbreviate and restate. > > I know there are other Xen specific debuggers, but I want to know if there's > any reason why SGI's kdb, http://oss.sgi.com/projects/kdb, should not be > included in a dom0 pv-ops kernel? Upstream is integrating one that I think is in 2.6.33 or 2.6.34. So when we rev up that we will get it for free. > > While the patches apply cleanly and build, the result is that one drops into > kdb on an oops the serial keyboard is non-functional. > Is this a problem inherent in including an incompatible debugger, or perhaps > just something wrong in a .config? What is your serial setup? Are you using the serial console also for Xen? Is the serial console that Dom0 sees usuable outside kdb? As in, can you use a null modem connection and poke Dom0 via that? > > Does anyone else use this debugger for dom0 work ? I haven't used it.