From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from metis.ext.pengutronix.de ([2001:6f8:1178:4:290:27ff:fe1d:cc33]) by canuck.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1REHiK-0007W0-0u for barebox@lists.infradead.org; Thu, 13 Oct 2011 09:36:32 +0000 Date: Thu, 13 Oct 2011 11:36:27 +0200 From: Uwe =?iso-8859-1?Q?Kleine-K=F6nig?= Message-ID: <20111013093627.GU577@pengutronix.de> References: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Sender: barebox-bounces@lists.infradead.org Errors-To: barebox-bounces+u.kleine-koenig=pengutronix.de@lists.infradead.org Subject: Re: Booting Pandaboard from SD card To: Fabian van der Werf Cc: barebox@lists.infradead.org Hello, On Thu, Oct 13, 2011 at 11:14:17AM +0200, Fabian van der Werf wrote: > On Thu, Oct 13, 2011 at 10:49 AM, Samuel Stirtzel > wrote: > > > > Starting kernel ... > > > > commandline: > > arch_number: 2791 > > Uncompressing Linux... done, booting the kernel. > > > > - > > The screen just stays blank after the last message. > > This looks to me like it is (obviously) caused by an incorrect > > environment loaded. > > > > > > Help would be appreciated. > = > Hi > = > I am also trying to get things up and running using barebox. I am at > about the same stage where you are. Though I am loading the kernel > over TFTP instead from SD. Like you, I get "Uncompressing Linux... > done, booting the kernel" and then nothing. > = > Note that this last line is not printed by barebox but by the kernel. > There is a separate=A0kernel build option to enable a console on the > omap serial port. Then you still need to add console=3DttyOx,115200n8 to > your boot arguments. I think it needs to be ttyO2, though I am not > sure. I haven't had the time yet to try these options (it's just for a > hobby project). You might want to enable DEBUG_LL and EARLY_PRINTK in your kernel and pass "earlyprintk" on the commandline. This is usually enough to provide some output after Uncompressing Linux... Uwe -- = Pengutronix e.K. | Uwe Kleine-K=F6nig | Industrial Linux Solutions | http://www.pengutronix.de/ | _______________________________________________ barebox mailing list barebox@lists.infradead.org http://lists.infradead.org/mailman/listinfo/barebox