Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751219AbWAPVw7 (ORCPT ); Mon, 16 Jan 2006 16:52:59 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751218AbWAPVw7 (ORCPT ); Mon, 16 Jan 2006 16:52:59 -0500 Received: from mail.cs.umn.edu ([128.101.34.202]:64418 "EHLO mail.cs.umn.edu") by vger.kernel.org with ESMTP id S1751217AbWAPVw7 (ORCPT ); Mon, 16 Jan 2006 16:52:59 -0500 Date: Mon, 16 Jan 2006 15:52:52 -0600 From: Dave C Boutcher To: "Serge E. Hallyn" Cc: Michael Ellerman , Andrew Morton , linuxppc64-dev@ozlabs.org, paulus@au1.ibm.com, anton@au1.ibm.com, linux-kernel@vger.kernel.org, Ingo Molnar Subject: Re: 2.6.15-mm4 failure on power5 Message-ID: <20060116215252.GA10538@cs.umn.edu> Mail-Followup-To: "Serge E. Hallyn" , Michael Ellerman , Andrew Morton , linuxppc64-dev@ozlabs.org, paulus@au1.ibm.com, anton@au1.ibm.com, linux-kernel@vger.kernel.org, Ingo Molnar References: <20060116063530.GB23399@sergelap.austin.ibm.com> <20060115230557.0f07a55c.akpm@osdl.org> <200601170000.58134.michael@ellerman.id.au> <20060116153748.GA25866@sergelap.austin.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20060116153748.GA25866@sergelap.austin.ibm.com> User-Agent: Mutt/1.5.6+20040907i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1093 Lines: 32 On Mon, Jan 16, 2006 at 09:37:48AM -0600, Serge E. Hallyn wrote: > Quoting Michael Ellerman (michael@ellerman.id.au): > > On Mon, 16 Jan 2006 18:05, Andrew Morton wrote: > > > "Serge E. Hallyn" wrote: > > > > On my power5 partition, 2.6.15-mm4 hangs on boot > > boot: quicktest > Please wait, loading kernel... ... > Page orders: linear mapping = 24, others = 12 > -> smp_release_cpus() > <- smp_release_cpus() > <- setup_system() > > So setup_system() at least finishes, though I don't see the > printk's at the bottom of that function. 2.6.15-mm4 won't boot on my power5 either. I tracked it down to the following mutex patch from Ingo: kernel-kernel-cpuc-to-mutexes.patch If I revert just that patch, mm4 boots fine. Its really not obvious to me at all why that patch is breaking things though... -- Dave Boutcher - 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/