From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alan Hourihane Subject: Re: Atari TT Date: Thu, 05 Jan 2012 17:04:18 +0000 Message-ID: <4F05D812.6020109@fairlite.co.uk> References: <4F0488A9.5030100@fairlite.co.uk> <4F059460.5040305@fairlite.co.uk> <4F059AE1.6070707@fairlite.co.uk> <4F059DB9.1050209@fairlite.co.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Return-path: Received: from fairlite.demon.co.uk ([80.176.228.186]:48819 "EHLO fairlite.demon.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754871Ab2AEREV (ORCPT ); Thu, 5 Jan 2012 12:04:21 -0500 In-Reply-To: Sender: linux-m68k-owner@vger.kernel.org List-Id: linux-m68k@vger.kernel.org To: Geert Uytterhoeven Cc: Finn Thain , Thorsten Glaser , debian-68k@lists.debian.org, Linux/m68k On 05/01/12 14:42, Geert Uytterhoeven wrote: > On Thu, Jan 5, 2012 at 13:55, Alan Hourihane wrote: >> Linux version 3.1.0-atari-00246-gbff0dc7 (root@server) (gcc version > bff0dc7 = m68k-v3.1. That kernel still has the SCC driver, but it depends on > BROKEN, so you cannot select it. > If you revert 173808aa9203cf752518acd80fde3c9c910ddd0f ("m68k/atari: SCC > - Mark Atari serial driver BROKEN") you can select CONFIG_ATARI_SCC again, > and get a real serial console. > > But first the interrupt storm must be fixed. > >> unexpected interrupt from 112 > That's the vector number, so the actual IRQ number is 112 / 4 = 28, which is > IRQ_TT_MFP_TIMD. Sorry, no clues. It's worth enhancing that message then as the NR_IRQs reported was 72. And it really confused me that 112 appeared. Maybe... "unexpected interrupt from 28, vector 112" ? > Can you please try a pristine v3.1? The only relevant differences are the > conversion to the genirq framework and the Atari SCC driver. Will do. > If that works, I guess it's a regression introduced by the genirq conversion. > Then you can bisect between v3.1 and m68k-v3.1. > > BTW, in between 9fa434585e5f6cfeae685505b4cd8465dbab1dff ("m68k/irq: > Add genirq support") and 971ae31663e817a5e5b673d30c7652d9160145f0 > ("m68k/irq: Remove obsolete m68k irq framework"), genirq support is a config > option that can be turned on or off. > O.k. thanks. Alan.