From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S264511AbTLGUSJ (ORCPT ); Sun, 7 Dec 2003 15:18:09 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S264512AbTLGUSI (ORCPT ); Sun, 7 Dec 2003 15:18:08 -0500 Received: from dp.samba.org ([66.70.73.150]:7080 "EHLO lists.samba.org") by vger.kernel.org with ESMTP id S264511AbTLGUSG (ORCPT ); Sun, 7 Dec 2003 15:18:06 -0500 Date: Mon, 8 Dec 2003 07:17:15 +1100 From: Anton Blanchard To: "Martin J. Bligh" Cc: Ingo Molnar , Zwane Mwaikambo , linux-kernel Subject: Re: [patch] sched-HT-2.6.0-test11-A5 Message-ID: <20031207201715.GD19412@krispykreme> References: <1027750000.1069604762@[10.10.2.4]> <392900000.1070737269@[10.10.2.4]> <20031207163914.GB19412@krispykreme> <1039560000.1070817418@[10.10.2.4]> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1039560000.1070817418@[10.10.2.4]> User-Agent: Mutt/1.5.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org > > Im seeing bootup crashes every now and then on a ppc64 box too. A few > > other things Ive noticed: > > ALT+sysrq+t does nothing, but NMI watchdog gives me: I seem to be seeing 2 different problems, the first is where we are running on the cpu we are about to remap: running on cpu 1 mapping CPU#1's runqueue to CPU#0's runqueue. kernel BUG in sched_map_runqueue at kernel/sched.c:1460! ie: BUG_ON(rq1 == rq2 || rq2->nr_running || rq_idx(cpu1) != cpu1); ^^^ We should bounce ourselves off cpu2 before merging the runqueues. Anton