From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e33.co.us.ibm.com (e33.co.us.ibm.com [32.97.110.151]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "e33.co.us.ibm.com", Issuer "Equifax" (verified OK)) by ozlabs.org (Postfix) with ESMTP id 36478DDF30 for ; Wed, 7 Mar 2007 16:01:52 +1100 (EST) Received: from d03relay04.boulder.ibm.com (d03relay04.boulder.ibm.com [9.17.195.106]) by e33.co.us.ibm.com (8.13.8/8.13.8) with ESMTP id l2751mNF016413 for ; Wed, 7 Mar 2007 00:01:48 -0500 Received: from d03av02.boulder.ibm.com (d03av02.boulder.ibm.com [9.17.195.168]) by d03relay04.boulder.ibm.com (8.13.8/8.13.8/NCO v8.3) with ESMTP id l2751mh2533302 for ; Tue, 6 Mar 2007 22:01:48 -0700 Received: from d03av02.boulder.ibm.com (loopback [127.0.0.1]) by d03av02.boulder.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id l2751mJI018330 for ; Tue, 6 Mar 2007 22:01:48 -0700 Date: Wed, 7 Mar 2007 10:31:28 +0530 From: Mohan Kumar M To: Nathan Lynch Subject: Re: [PATCH] Fix interrupt distribution in ppc970 Message-ID: <20070307050128.GH7476@in.ibm.com> References: <20061208045537.GA14626@in.ibm.com> <17798.6928.378248.28903@cargo.ozlabs.ibm.com> <20061218105706.GB3911@in.ibm.com> <20070306135754.GB7476@in.ibm.com> <20070306220546.GI24926@localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <20070306220546.GI24926@localdomain> Cc: ppcdev , Paul Mackerras , fastboot@lists.osdl.org Reply-To: mohan@in.ibm.com List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Tue, Mar 06, 2007 at 04:05:46PM -0600, Nathan Lynch wrote: > Was the root cause of this problem ever determined? It sure looked > like a firmware or hardware problem since it's known to occur only on > JS20. When I am trying to boot the kernel with maxcpus=1 from yaboot every thing works fine. I can recreate this problem only with kexec/kdump booting. So it may not be a firmware issue. There may be a problem in the device tree that we pass from first kernel to kexec'ed kernels? Regards, Mohan.