From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932245AbYDSDKj (ORCPT ); Fri, 18 Apr 2008 23:10:39 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754671AbYDSDKb (ORCPT ); Fri, 18 Apr 2008 23:10:31 -0400 Received: from an-out-0708.google.com ([209.85.132.251]:44153 "EHLO an-out-0708.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751109AbYDSDK3 (ORCPT ); Fri, 18 Apr 2008 23:10:29 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:to:cc:subject:message-id:mail-followup-to:references:mime-version:content-type:content-disposition:in-reply-to:user-agent; b=ClmOUYQ7s/09m/sYBjkjjXLquXmrZdCDKLewWuhzfhr13DwIavhD2+zVgVBjnGhGZPMPF+loxUhQqzUW7gEf5Az95Lky45oATTQ/aDKfEYCj1I/PZytDx/KtEEiEEN77Whxzk/UUO0/dqiFChcUweJIrL3O3/cvd22kSjeDRxEc= Date: Fri, 18 Apr 2008 23:10:24 -0400 From: Joseph Fannin To: Andrew Morton Cc: linux-kernel@vger.kernel.org Subject: Re: 2.6.25-mm1 Message-ID: <20080419031024.GC3503@nineveh.local> Mail-Followup-To: Andrew Morton , linux-kernel@vger.kernel.org References: <20080418014757.52fb4a4f.akpm@linux-foundation.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080418014757.52fb4a4f.akpm@linux-foundation.org> User-Agent: Mutt/1.5.17+20080114 (2008-01-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Apr 18, 2008 at 01:47:57AM -0700, Andrew Morton wrote: > > ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.25/2.6.25-mm1/ New, in 2.6.25-mm1 is a hang I'm seeing, just after the kernel prints: "[ 0.160375] NET: Registered protocol family 16" The hang lasts about five minutes, and then boot continues. Just after that, a backtrace is printed; I don't know if it's related. The backtrace will follow. This does not occur in mainline. It seems it might be related to OLPC support -- I enabled all those options -- but that's not good behavior, and I see no warning of thus in the help. I'm sending a number or reports against 2.6.25-mm1, so I've put my dmesg and .config on a server: http://home.columbus.rr.com/jfannin3/dmesg.txt http://home.columbus.rr.com/jfannin3/config-2.6.25-mm1.txt [ 0.160375] NET: Registered protocol family 16 [ 400.782683] ------------[ cut here ]------------ [ 400.782832] WARNING: at arch/x86/mm/ioremap.c:158 __ioremap_caller+0x27d/0x2e0() [ 400.783022] Modules linked in: [ 400.783169] Pid: 1, comm: swapper Not tainted 2.6.25-mm1 #7 [ 400.783300] [] warn_on_slowpath+0x59/0x80 [ 400.783480] [] ? profile_pc+0x3e/0x50 [ 400.783682] [] ? irq_exit+0x4e/0xa0 [ 400.783879] [] ? smp_apic_timer_interrupt+0x5c/0x90 [ 400.784087] [] ? trace_hardirqs_on_thunk+0xc/0x10 [ 400.784298] [] ? trace_hardirqs_on_caller+0xcd/0x150 [ 400.784506] [] ? trace_hardirqs_on_thunk+0xc/0x10 [ 400.784706] [] ? restore_nocheck_notrace+0x0/0xe [ 400.784906] [] ? page_is_ram+0xa6/0xd0 [ 400.785059] [] __ioremap_caller+0x27d/0x2e0 [ 400.785221] [] ? _spin_unlock_irqrestore+0x48/0x80 [ 400.785421] [] ? ftrace_record_ip+0x7d/0x250 [ 400.785621] [] ? olpc_init+0x31/0x140 [ 400.785817] [] ioremap_nocache+0x1f/0x30 [ 400.785976] [] ? olpc_init+0x31/0x140 [ 400.786165] [] olpc_init+0x31/0x140 [ 400.786318] [] kernel_init+0x142/0x2d0 [ 400.786479] [] ? trace_hardirqs_on_caller+0xcd/0x150 [ 400.786680] [] ? restore_nocheck_notrace+0x0/0xe [ 400.786879] [] ? kernel_init+0x0/0x2d0 [ 400.787069] [] ? kernel_init+0x0/0x2d0 [ 400.787260] [] kernel_thread_helper+0x7/0x10 [ 400.787422] ======================= [ 400.787727] ---[ end trace 4eaa2a86a8e2da22 ]--- -- Joseph Fannin jfannin@gmail.com