Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760331AbYBSJJn (ORCPT ); Tue, 19 Feb 2008 04:09:43 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751864AbYBSJJ1 (ORCPT ); Tue, 19 Feb 2008 04:09:27 -0500 Received: from brick.kernel.dk ([87.55.233.238]:13066 "EHLO kernel.dk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751744AbYBSJJ0 (ORCPT ); Tue, 19 Feb 2008 04:09:26 -0500 Date: Tue, 19 Feb 2008 10:09:23 +0100 From: Jens Axboe To: KAMEZAWA Hiroyuki Cc: Kamalesh Babulal , Linux Kernel Mailing List , linuxppc-dev@ozlabs.org, Ingo Molnar , Srivatsa Vaddagiri , Dhaval Giani , Andy Whitcroft , Balbir Singh Subject: Re: [BUG] Linux 2.6.25-rc2 - Regression from 2.6.24-rc1-git1 softlockup while bootup on powerpc Message-ID: <20080219090923.GR23197@kernel.dk> References: <47B67E5E.4010001@linux.vnet.ibm.com> <20080217192913.GO23197@kernel.dk> <20080219170432.9c04376f.kamezawa.hiroyu@jp.fujitsu.com> <20080219083633.GN23197@kernel.dk> <20080219174743.202b64f8.kamezawa.hiroyu@jp.fujitsu.com> <20080219085838.GP23197@kernel.dk> <20080219180723.e742a582.kamezawa.hiroyu@jp.fujitsu.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080219180723.e742a582.kamezawa.hiroyu@jp.fujitsu.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1036 Lines: 32 On Tue, Feb 19 2008, KAMEZAWA Hiroyuki wrote: > On Tue, 19 Feb 2008 09:58:38 +0100 > Jens Axboe wrote: > > > when I inserted printk here > > > == > > > for (i = 0; i < nr; i++) > > > func(ioc, cics[i]); > > > printk("%d %lx\n", nr, index); > > > == > > > index was always "1" and nr was always 32. > > > > > > So, cics[31]->key was always NULL when index=1 is passed to > > > radix_tree_gang_lookup(). > > > > Hang on, it returned 32? It should not return more than 16, since that > > is what we have room for and asked for. > sorry. Of course, it was 16 ;( I expected so, otherwise we would have had far more serious problems :-) > your patch works well. thank you. It's committed now and posted in the relevant bugzilla as well (#9948). -- Jens Axboe -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/