From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from csmtp3.one.com (csmtp3.one.com [91.198.169.23]) by ozlabs.org (Postfix) with ESMTP id 8C87FB6FAD for ; Mon, 28 Mar 2011 05:07:19 +1100 (EST) Message-ID: <4D8F7B55.2050806@gate-nine.de> Date: Sun, 27 Mar 2011 20:00:53 +0200 From: Philipp Ittershagen MIME-Version: 1.0 To: Guillaume Dargaud Subject: Re: Early kernel debugging References: <201103250950.20423.dargaud@lpsc.in2p3.fr> In-Reply-To: <201103250950.20423.dargaud@lpsc.in2p3.fr> Content-Type: text/plain; charset=UTF-8 Cc: linuxppc-dev@lists.ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On 03/25/2011 09:50 AM, Guillaume Dargaud wrote: > Hello all, > what can you do when the kernel you try to run stops before printing anything on the console ? http://elinux.org/Kernel_Debugging_Tips#Debugging_early_boot_problems Basically it means connecting a debugger to the running kernel (using XMD, for example) and then reading the printk log buffer, which contains the last lines printed. Hope this helps! Philipp