Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932619AbXLMU7q (ORCPT ); Thu, 13 Dec 2007 15:59:46 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1763130AbXLMU7g (ORCPT ); Thu, 13 Dec 2007 15:59:36 -0500 Received: from mx2.mail.elte.hu ([157.181.151.9]:38622 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1762054AbXLMU7e (ORCPT ); Thu, 13 Dec 2007 15:59:34 -0500 Date: Thu, 13 Dec 2007 21:58:38 +0100 From: Ingo Molnar To: Glauber de Oliveira Costa Cc: linux-kernel@vger.kernel.org, akpm@linux-foundation.org, glommer@gmail.com, tglx@linutronix.de, ehabkost@redhat.com, jeremy@goop.org, avi@qumranet.com, anthony@codemonkey.ws, virtualization@lists.linux-foundation.org, rusty@rustcorp.com.au, ak@suse.de, chrisw@sous-sol.org, rostedt@goodmis.org, hpa@zytor.com, zach@vmware.com, roland@redhat.com Subject: Re: [PATCH] avoid ifdefs in desc.h, getting rid of pack_ldt and pack_tss Message-ID: <20071213205838.GA9649@elte.hu> References: <11975561713425-git-send-email-gcosta@redhat.com> <20071213202800.GD25130@elte.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20071213202800.GD25130@elte.hu> User-Agent: Mutt/1.5.17 (2007-11-01) 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: 2050 Lines: 47 just got the crash below. config attached. Suspects are: Subject: unify struct desc_ptr Subject: unify paravirt pieces of descriptor handling could we _please_ use basic tools as vmlinux size comparison and objcompare when unifying, to make sure it's a 100% identity conversion? Ingo ------------> Enabling fast FPU save and restore... done. Enabling unmasked SIMD FPU exception support... done. Initializing CPU#0 general protection fault: 0080 [#1] SMP Pid: 0, comm: swapper Not tainted (2.6.24-rc5 #490) EIP: 0060:[<40118008>] EFLAGS: 00010086 CPU: 0 EIP is at native_load_tr_desc+0x8/0x10 EAX: 00000080 EBX: 00000009 ECX: 409c9efc EDX: 41e0d080 ESI: 41e0d000 EDI: 40a62000 EBP: 409c9edc ESP: 409c9edc DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 Process swapper (pid: 0, ti=409c8000 task=4090e3e0 task.ti=409c8000) Stack: 409c9f10 409dcde4 40850594 00000000 000000e5 00000000 409ba000 409ba000 77c00009 4100ebe5 00000001 409ba000 409ba000 409c9fc4 409d916d 4088a1f3 0060680c 4010ef00 00607400 40108f00 006074b0 40108f00 006073f4 40108f00 Call Trace: [<4010796a>] show_trace_log_lvl+0x1a/0x30 [<40107a29>] show_stack_log_lvl+0xa9/0xd0 [<40107b05>] show_registers+0xb5/0x1a0 [<40107d06>] die+0x116/0x220 [<401086ac>] do_general_protection+0x19c/0x260 [<4073b542>] error_code+0x72/0x78 [<409dcde4>] cpu_init+0x154/0x280 [<409d916d>] trap_init+0x3cd/0x460 [<409d1c93>] start_kernel+0x213/0x3d0 [<00000000>] 0x0 ======================= Code: 90 90 90 55 89 e5 9c 5a 81 e2 ff cf ff ff 09 c2 52 9d c9 c3 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 90 55 b8 80 00 00 00 89 e5 <0f> 00 d8 c9 c3 8d 76 00 55 89 e5 0f 01 10 c9 c3 90 8d b4 26 00 EIP: [<40118008>] native_load_tr_desc+0x8/0x10 SS:ESP 0068:409c9edc Kernel panic - not syncing: Attempted to kill the idle task! -- 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/