Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757428AbYF2Inz (ORCPT ); Sun, 29 Jun 2008 04:43:55 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1751339AbYF2Inp (ORCPT ); Sun, 29 Jun 2008 04:43:45 -0400 Received: from mx3.mail.elte.hu ([157.181.1.138]:45674 "EHLO mx3.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751212AbYF2Inn (ORCPT ); Sun, 29 Jun 2008 04:43:43 -0400 Date: Sun, 29 Jun 2008 10:43:18 +0200 From: Ingo Molnar To: Jeremy Fitzhardinge Cc: Nick Piggin , Mark McLoughlin , xen-devel , Eduardo Habkost , Vegard Nossum , Stephen Tweedie , x86@kernel.org, LKML , Yinghai Lu Subject: Re: [Xen-devel] Re: [PATCH 00 of 36] x86/paravirt: groundwork for 64-bit Xen support Message-ID: <20080629084318.GA28815@elte.hu> References: <20080625084253.GA11524@elte.hu> <20080625152212.GA3442@elte.hu> <4862A6A9.1030109@goop.org> <20080626105722.GA12640@elte.hu> <20080626105818.GA13805@elte.hu> <4863A8E6.1010807@goop.org> <20080627160333.GA27072@elte.hu> <486539A3.3030102@goop.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <486539A3.3030102@goop.org> 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: 2483 Lines: 61 * Jeremy Fitzhardinge wrote: > Subject: x86_64: fix non-paravirt compilation i've put tip/x86/xen-64bit into tip/master briefly and it quickly triggered this crash on 64-bit x86: Linux version 2.6.26-rc8-tip-00241-gc6c8cb2-dirty (mingo@dione) (gcc version 4.2.3) #12303 SMP Sun Jun 29 10:30:01 CEST 2008 Command line: root=/dev/sda6 console=ttyS0,115200 earlyprintk=serial,ttyS0,115200 debug initcall_debug apic=verbose sysrq_always_enabled ignore_loglevel selinux=0 BIOS-provided physical RAM map: BIOS-e820: 0000000000000000 - 000000000009f800 (usable) BIOS-e820: 000000000009f800 - 00000000000a0000 (reserved) BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved) BIOS-e820: 0000000000100000 - 000000003fff0000 (usable) BIOS-e820: 000000003fff0000 - 000000003fff3000 (ACPI NVS) BIOS-e820: 000000003fff3000 - 0000000040000000 (ACPI data) BIOS-e820: 00000000e0000000 - 00000000f0000000 (reserved) BIOS-e820: 00000000fec00000 - 0000000100000000 (reserved) KERNEL supported cpus: Intel GenuineIntel AMD AuthenticAMD Centaur CentaurHauls console [earlyser0] enabled debug: ignoring loglevel setting. Entering add_active_range(0, 0x0, 0x9f) 0 entries of 25600 used Entering add_active_range(0, 0x100, 0x3fff0) 1 entries of 25600 used last_pfn = 0x3fff0 max_arch_pfn = 0x3ffffffff init_memory_mapping kernel direct mapping tables up to 3fff0000 @ 8000-a000 PANIC: early exception 0e rip 10:ffffffff804b24e2 error 0 cr2 ffffffffff300000 Pid: 0, comm: swapper Not tainted 2.6.26-rc8-tip-00241-gc6c8cb2-dirty #12303 Call Trace: [] early_idt_handler+0x56/0x6a [] ? __memcpy_fromio+0x12/0x30 [] ? __memcpy_fromio+0x9/0x30 [] dmi_scan_machine+0x57/0x1b0 [] setup_arch+0x3f5/0x5e0 [] start_kernel+0x75/0x350 [] x86_64_start_reservations+0x89/0xa0 [] x86_64_start_kernel+0xf7/0x100 RIP 0x10 with this config: http://redhat.com/~mingo/misc/config-Sun_Jun_29_10_29_11_CEST_2008.bad i've saved the merged 2.6.26-rc8-tip-00241-gc6c8cb2-dirty tree into tip/tmp.x86.xen-64bit.Sun_Jun_29_10 and pushed it out, so you can test that exact version. 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/