From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from buildserver.ru.mvista.com (unknown [85.21.88.6]) by ozlabs.org (Postfix) with ESMTP id 59DF867B69 for ; Thu, 29 Jun 2006 03:48:27 +1000 (EST) Received: from vitb.ru.mvista.com ([10.150.0.9]) by buildserver.ru.mvista.com (8.11.6/8.11.6) with ESMTP id k5SHmQs27436 for ; Wed, 28 Jun 2006 22:48:26 +0500 Date: Wed, 28 Jun 2006 21:48:41 +0400 From: Vitaly Bordug To: linuxppc-embedded@ozlabs.org Subject: Re: block after "io scheduler noop registered" Message-ID: <20060628214841.311060c6@vitb.ru.mvista.com> In-Reply-To: References: Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII List-Id: Linux on Embedded PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Wed, 28 Jun 2006 16:48:34 +0200 "morelli.gab" wrote: > Hi All, > > i,m upgrading the linux kernel 2.4 from 2.6, during the phase of restart on my card the system blocks on message "io scheduler noop registered". > the board mount MPC875 processor > > > ... > Serial: CPM driver $Revision: 0.01 $ > ttyCPM0 at MMIO 0xf0000a80 (irq = 20) is a CPM UART > ttyCPM1 at MMIO 0xf0000a90 (irq = 19) is a CPM UART > io scheduler noop registered You should add the proper cpm uart initialization bits to the board-specific code, as say 885ads does (ppc/platforms/mpc885ads_setup.c). What experienced is uart misconfiguration which alters pins in a way the console doesn't like very much. -- Sincerely, Vitaly