From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from outbound-va3.frontbridge.com ([216.32.180.16] helo=outbound1-va3-R.bigfish.com) by bombadil.infradead.org with esmtps (Exim 4.68 #1 (Red Hat Linux)) id 1JZJhe-00058u-1r for kexec@lists.infradead.org; Wed, 12 Mar 2008 05:40:38 +0000 Message-ID: <47D76CC9.5080200@am.sony.com> Date: Tue, 11 Mar 2008 22:40:25 -0700 From: Geoff Levand MIME-Version: 1.0 Subject: Re: Fwd: Kexec support for PS3 (ppc64) References: <4574cb3d0803062155k7da6be9al30ee3f35d01f9f0@mail.gmail.com> <47D19114.1090700@am.sony.com> <4574cb3d0803110325u759a411ckbae3ff69557b0230@mail.gmail.com> <47D6B92D.2020205@am.sony.com> <47D6D406.8050209@am.sony.com> <47D73003.8060208@bluelane.com> <47D7349E.90409@am.sony.com> <20080312052509.GC409@in.ibm.com> In-Reply-To: <20080312052509.GC409@in.ibm.com> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: kexec-bounces@lists.infradead.org Errors-To: kexec-bounces+dwmw2=infradead.org@lists.infradead.org To: mohan@in.ibm.com Cc: Rajasekaran P , piet@bluelane.com, kexec@lists.infradead.org On 03/11/2008 10:25 PM, Mohan Kumar M wrote: > On Tue, Mar 11, 2008 at 06:40:46PM -0700, Geoff Levand wrote: >> When the first stage kernel goes down it releases all hypervisor >> resources so that whatever boots next can successful open those >> resources. The frame buffer is one of those resources that are >> released, and after it is, there will be no more output to the >> display until the second stage image brings up its display. It >> is not a matter of adding print statements or string formatting. >> > > Geoff, > > What about using Hypervisor call H_PUT_TERM_CHAR? > > I used this call to debug the first kernel kexec shutdown sequence. That is for the IBM pSeries. I can't see how it would work on the ps3. ps3 hvcalls are in lv1calls.h. Just out of curiosity, how exactly did you 'use' it? -Geoff _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec