From mboxrd@z Thu Jan 1 00:00:00 1970 Received: with ECARTIS (v1.0.0; list linux-mips); Wed, 21 Oct 2009 18:11:53 +0200 (CEST) Received: from ru.mvista.com ([213.79.90.228]:4715 "EHLO buildserver.ru.mvista.com" rhost-flags-OK-FAIL-OK-FAIL) by ftp.linux-mips.org with ESMTP id S1491917AbZJUQLq (ORCPT ); Wed, 21 Oct 2009 18:11:46 +0200 Received: from [192.168.11.189] (unknown [10.150.0.9]) by buildserver.ru.mvista.com (Postfix) with ESMTP id 27E518817; Wed, 21 Oct 2009 21:11:43 +0500 (SAMST) Message-ID: <4ADF32D1.6030801@ru.mvista.com> Date: Wed, 21 Oct 2009 20:12:01 +0400 From: Sergei Shtylyov Organization: MontaVista Software Inc. User-Agent: Mozilla/5.0 (X11; U; Linux i686; rv:1.7.2) Gecko/20040803 X-Accept-Language: ru, en-us, en-gb MIME-Version: 1.0 To: "wilbur.chan" Cc: linux-mips@linux-mips.org Subject: Re: Got trap No.23 when booting mips32 ? References: In-Reply-To: Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Return-Path: X-Envelope-To: <"|/home/ecartis/ecartis -s linux-mips"> (uid 0) X-Orcpt: rfc822;linux-mips@linux-mips.org Original-Recipient: rfc822;linux-mips@linux-mips.org X-archive-position: 24421 X-ecartis-version: Ecartis v1.0.0 Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org X-original-sender: sshtylyov@ru.mvista.com Precedence: bulk X-list: linux-mips Hello. wilbur.chan wrote: > Hi all, > I've got some problem when booting mips32. > I got a No.23 trap when calling start_kernel ---> local_irq_enable : > irq 23, desc: 802a98a0, depth: 1, count: 0, unhandled: 0 > ->handle_irq(): 80148c6c, handle_bad_irq+0x0/0x2b4 > ->chip(): 8029f738, 0x8029f738 > ->action(): 00000000 > IRQ_DISABLED set > unexpected IRQ # 23 > No.23 trap is a Watch trap, which means that, when IRQ # is not a trap #, so the rest of your speculations don't apply. "unexpected IRQ" probably means that an IRQ occurs for which no handler has been installed... WBR, Sergei