Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758714AbYHONuv (ORCPT ); Fri, 15 Aug 2008 09:50:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753689AbYHONun (ORCPT ); Fri, 15 Aug 2008 09:50:43 -0400 Received: from mx2.mail.elte.hu ([157.181.151.9]:36039 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753057AbYHONum (ORCPT ); Fri, 15 Aug 2008 09:50:42 -0400 Date: Fri, 15 Aug 2008 15:50:27 +0200 From: Ingo Molnar To: Marcin Slusarz Cc: LKML , Thomas Gleixner , Ingo Molnar , "H. Peter Anvin" Subject: Re: [PATCH] x86: fix 2 section mismatch warnings - find_and_reserve_crashkernel Message-ID: <20080815135027.GB14103@elte.hu> References: <1218576186-31442-3-git-send-email-marcin.slusarz@gmail.com> <20080813111051.GA18660@elte.hu> <20080813140555.GA18523@elte.hu> <20080815123201.GB5285@joi> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080815123201.GB5285@joi> User-Agent: Mutt/1.5.18 (2008-05-17) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.3 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2488 Lines: 49 * Marcin Slusarz wrote: > I looked at both implementations of arch_setup_additional_pages and > didn't see any call to native_set_fixmap or function which calls > directly native_set_fixmap... Can you tell me what's the callchain? the callchain would be: [ 20.116039] PM: Adding info for No Bus:vcsa1 [ 20.180039] BUG: unable to handle kernel paging request at c0833e44 [ 20.180039] IP: [] native_set_fixmap+0x0/0x1d [ 20.180039] *pde = 36f2a163 *pte = 00833162 [ 20.180039] Oops: 0000 [#1] SMP DEBUG_PAGEALLOC [ 20.180039] Modules linked in: [ 20.180039] [ 20.180039] Pid: 1, comm: init Not tainted (2.6.27-rc3-00005-g844342a-dirty #24071) [ 20.180039] EIP: 0060:[] EFLAGS: 00010216 CPU: 0 [ 20.180039] EIP is at native_set_fixmap+0x0/0x1d [ 20.180039] EAX: 00000001 EBX: 00000001 ECX: 00000025 EDX: 3782e000 [ 20.180039] ESI: 00000000 EDI: f671c000 EBP: f7836e68 ESP: f7836e4c [ 20.180039] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 [ 20.180039] Process init (pid: 1, ti=f7836000 task=f7870000 task.ti=f7836000) [ 20.180039] Stack: c011d580 f671c034 c018bbea 00000025 00000000 00000988 f6ef2000 f7836f1c [ 20.180039] c01b43d6 00000003 00000008 f7836f7c f782fd10 00000003 f78b6100 08048000 [ 20.180039] 00000000 00000001 f67a2500 08050b99 08050b99 00000000 00000000 00000000 [ 20.180039] Call Trace: [ 20.180039] [] ? arch_setup_additional_pages+0x8c/0x124 [ 20.180039] [] ? try_module_get+0x8/0x2f [ 20.180039] [] ? load_elf_binary+0xae6/0x1108 [ 20.180039] [] ? lock_release_holdtime+0x43/0x48 [ 20.180039] [] ? search_binary_handler+0x92/0x1e5 [ 20.180039] [] ? load_elf_binary+0x0/0x1108 [ 20.180039] [] ? do_execve+0x14c/0x1d8 [ 20.180039] [] ? sys_execve+0x2e/0x56 [ 20.180039] [] ? syscall_call+0x7/0xb [ 20.180039] [] ? kernel_execve+0x1c/0x21 [ 20.180039] [] ? run_init_process+0x1c/0x1e [ 20.180039] [] ? init_post+0xab/0xd4 [ 20.180039] [] ? kernel_thread_helper+0x7/0x10 [ 20.180039] ======================= [ 20.180039] Code: Bad EIP value. Ingo -- 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/