Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760032AbYBVQyl (ORCPT ); Fri, 22 Feb 2008 11:54:41 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752700AbYBVQy2 (ORCPT ); Fri, 22 Feb 2008 11:54:28 -0500 Received: from mta-1.ms.rz.RWTH-Aachen.DE ([134.130.7.72]:34470 "EHLO mta-1.ms.rz.rwth-aachen.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754169AbYBVQy0 (ORCPT ); Fri, 22 Feb 2008 11:54:26 -0500 Date: Fri, 22 Feb 2008 17:54:45 +0100 From: Arnd Hannemann Subject: Re: [Xen-devel] [PATCH] let XEN depend on PAE In-reply-to: <47BEFA4C.6030400@goop.org> To: Jeremy Fitzhardinge Cc: Linux Kernel Mailing List , xen-devel@lists.xensource.com Message-id: <47BEFE55.7020703@nets.rwth-aachen.de> MIME-version: 1.0 Content-type: text/plain; charset=ISO-8859-15 Content-transfer-encoding: 7BIT X-IronPort-AV: E=Sophos;i="4.25,392,1199660400"; d="scan'208";a="51665299" References: <47BEAB48.7050900@nets.rwth-aachen.de> <47BEFA4C.6030400@goop.org> User-Agent: Thunderbird 2.0.0.6 (X11/20071022) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3281 Lines: 69 Jeremy Fitzhardinge schrieb: > Arnd Hannemann wrote: >> As paravirtualized xen guests won't work with !X86_PAE, change the >> Kconfig >> accordingly. >> > > !PAE is supposed to work, but it is a rarely used configuration. How > does it fail? > > J > This is with 2.6.24.2, but latest-git looks the same: I also tried with 2.6.23 which crashes instantly, without any output of the guest. [ 0.599806] 1 multicall(s) failed: cpu 0 [ 0.599816] call 1/2: op=26 arg=[c1051860] result=0 [ 0.599825] call 2/2: op=14 arg=[bf9c7000] result=-22 [ 0.599841] ------------[ cut here ]------------ [ 0.599851] kernel BUG at arch/x86/xen/multicalls.c:103! [ 0.599861] invalid opcode: 0000 [#1] SMP [ 0.599871] Modules linked in: [ 0.599879] [ 0.599885] Pid: 1, comm: init Not tainted (2.6.24.2 #6) [ 0.599895] EIP: 0061:[] EFLAGS: 00010202 CPU: 0 [ 0.599910] EIP is at xen_mc_flush+0x19c/0x1b0 [ 0.599919] EAX: 00000000 EBX: c10510a0 ECX: c1051060 EDX: c1051060 [ 0.599930] ESI: 00000002 EDI: 00000001 EBP: c2417c10 ESP: c2417be4 [ 0.599940] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: e021 [ 0.599951] Process init (pid: 1, ti=c2417000 task=c2416ab0 task.ti=c2417000) [ 0.599960] Stack: c0443c98 00000002 00000002 0000000e bf9c7000 ffffffea c1051060 00000200 [ 0.599984] 00000067 c193fffc bf9c7000 c2417c18 c0101112 c2417c5c c0166dfc c193ce40 [ 0.600006] c193e5c0 c0000000 c193e5c0 00001000 c0000000 c193ce40 c198e71c c10331cc [ 0.600029] Call Trace: [ 0.600036] [] show_trace_log_lvl+0x1a/0x30 [ 0.600050] [] show_stack_log_lvl+0xa9/0xd0 [ 0.600062] [] show_registers+0xca/0x1e0 [ 0.600074] [] die+0x11a/0x250 [ 0.600085] [] do_trap+0x83/0xb0 [ 0.600096] [] do_invalid_op+0x88/0xa0 [ 0.600108] [] error_code+0x72/0x80 [ 0.600121] [] xen_leave_lazy+0x12/0x20 [ 0.600134] [] move_page_tables+0x27c/0x300 [ 0.600149] [] setup_arg_pages+0x162/0x2a0 [ 0.600162] [] load_elf_binary+0x3d3/0x1bd0 [ 0.600175] [] search_binary_handler+0x92/0x200 [ 0.600190] [] load_script+0x1bf/0x200 [ 0.600202] [] search_binary_handler+0x92/0x200 [ 0.600215] [] do_execve+0x15b/0x180 [ 0.600227] [] sys_execve+0x2e/0x80 [ 0.600241] [] syscall_call+0x7/0xb [ 0.600253] ======================= [ 0.600259] Code: 24 08 89 44 24 0c 89 74 24 04 c7 04 24 98 3c 44 c0 e8 c9 36 02 00 8b 45 ec 83 c3 20 8b 90 00 0b 00 00 39 d6 72 c0 e9 04 ff ff ff <0f> 0b eb fe 0f 0b eb fe 8d b6 00 00 00 00 8d bf 00 00 00 00 55 [ 0.600370] EIP: [] xen_mc_flush+0x19c/0x1b0 SS:ESP e021:c2417be4 [ 0.600393] ---[ end trace a686db401f06e173 ]--- [ 0.600403] Kernel panic - not syncing: Attempted to kill init! full dmesg, config here: http://lists.xensource.com/archives/html/xen-devel/2008-02/msg00716.html Best regards, Arnd Hannemann -- 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/