From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from cantor.suse.de ([195.135.220.2] helo=mx1.suse.de) by bombadil.infradead.org with esmtps (Exim 4.68 #1 (Red Hat Linux)) id 1JqObq-0001su-21 for kexec@lists.infradead.org; Mon, 28 Apr 2008 08:21:14 +0000 Date: Mon, 28 Apr 2008 10:22:13 +0200 From: Bernhard Walle Subject: Re: kexec --real-mode Message-ID: <20080428102213.63eeaba1@strauss.suse.de> In-Reply-To: References: <20080422151622.43c85a00@strauss.suse.de> <20080423103400.6e3d9d90@strauss.suse.de> Mime-Version: 1.0 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: "Eric W. Biederman" Cc: kexec@lists.infradead.org, Jamey Sharp Hi, * Eric W. Biederman [2008-04-23 07:00]: > Bernhard Walle writes: > > * Jamey Sharp [2008-04-22 16:44]: > >> > >> On Tue, Apr 22, 2008 at 6:16 AM, Bernhard Walle wrote: > >> > did anybody try the --real-mode option with current release? I tried > >> > it on two machines, and on one machine it just reboots, on the other > >> > machine it hangs. > >> > >> I think you're experiencing a bug that I just proposed a patch for. :-) > >> You can confirm that: try adding the "--debug" option to your kexec > >> call. If that works correctly, then I think you'll find that the patch > >> in "[PATCH 2/9] Fix copy-paste bug: entry16 does not start at > >> entry16_debug" will solve your problem. That's archived here: > >> > >> http://lists.infradead.org/pipermail/kexec/2008-April/001581.html > > > > No, I used --debug already. > > If this used to work when booting older kernels on your hardware. > Jamey's patch 3/9 might help. Well, now it goes until DEBUG_CHAR('j'). But the kernel doesn't boot. > Otherwise if this is the first time you are trying it you may > simply have encountered the reason that --real-mode is not the default. > BIOS can get really strange after the kernel has been running. That might be the case. Thanks for the information. > You might try booting kexec_test and see where that puts you. But that's ELF and not bzImage. Bernhard _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec