From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753990Ab1H2PH5 (ORCPT ); Mon, 29 Aug 2011 11:07:57 -0400 Received: from rcsinet15.oracle.com ([148.87.113.117]:64768 "EHLO rcsinet15.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753741Ab1H2PHy (ORCPT ); Mon, 29 Aug 2011 11:07:54 -0400 Date: Mon, 29 Aug 2011 11:07:34 -0400 From: Konrad Rzeszutek Wilk To: "Christopher S. Aker" Cc: LKML , xen-devel@lists.xensource.com Subject: Re: [Xen-devel] Re: kernel BUG at mm/swapfile.c:2527! [was 3.0.0 Xen pv guest - BUG: Unable to handle] Message-ID: <20110829150734.GB24825@dumpdata.com> References: <9CAEB881-07FE-437C-8A6B-DB7B690CEABE@linode.com> <4E5BA49D.5060800@theshore.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4E5BA49D.5060800@theshore.net> User-Agent: Mutt/1.5.21 (2010-09-15) X-Source-IP: rtcsinet21.oracle.com [66.248.204.29] X-CT-RefId: str=0001.0A090208.4E5BAB41.01C4,ss=1,re=0.000,fgs=0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Aug 29, 2011 at 10:39:25AM -0400, Christopher S. Aker wrote: > And another related from 2.6.39: I just don't get how you are the only person seeing this - and you have been seeing this from 2.6.32... The dom0 you have - is it printing at least something when this happens (or before)? Or the Xen hypervisor: maybe a message about L1 pages not found? And the dom0 is 2.6.18, right? - Did you update it (I know that the Red Hat guys have been updating a couple of things on it). Any chance I can get access to your setup and try to work with somebody to reproduce this? > > ------------[ cut here ]------------ > kernel BUG at mm/swapfile.c:2527! > invalid opcode: 0000 [#1] SMP > last sysfs file: /sys/devices/system/cpu/cpu3/topology/core_id > Modules linked in: > > Pid: 17680, comm: postgres Tainted: G B 2.6.39-linode33 #3 > EIP: 0061:[] EFLAGS: 00210246 CPU: 0 > EIP is at swap_count_continued+0x176/0x180 > EAX: f57bac57 EBX: eba2c200 ECX: f57ba000 EDX: 00000000 > ESI: ebfd7c20 EDI: 00000080 EBP: 00000c57 ESP: c670fe0c > DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0069 > Process postgres (pid: 17680, ti=c670e000 task=e93415d0 task.ti=c670e000) > Stack: > e9e3a340 00013c57 ee15fc57 00000000 c01b60b1 c0731000 c06982d5 401b4b73 > ceebc988 e9e3a340 00013c57 00000000 c01b60f7 ceebc988 b7731000 c670ff04 > c01a7183 4646e045 80000005 e62ce348 28999063 c0103fc5 7f662000 00278ae0 > Call Trace: > [] ? swap_entry_free+0x121/0x140 > [] ? _raw_spin_lock+0x5/0x10 > [] ? free_swap_and_cache+0x27/0xd0 > [] ? zap_pte_range+0x1b3/0x480 > [] ? pte_pfn_to_mfn+0xb5/0xd0 > [] ? unmap_page_range+0x118/0x1a0 > [] ? xen_force_evtchn_callback+0x17/0x30 > [] ? unmap_vmas+0x12b/0x1e0 > [] ? exit_mmap+0x91/0x140 > [] ? mmput+0x2b/0xc0 > [] ? exit_mm+0xfa/0x130 > [] ? _raw_spin_lock_irq+0x10/0x20 > [] ? do_exit+0x125/0x360 > [] ? xen_force_evtchn_callback+0x17/0x30 > [] ? do_group_exit+0x3c/0xa0 > [] ? sys_exit_group+0x11/0x20 > [] ? syscall_call+0x7/0xb > Code: ff 89 d8 e8 7d ec f6 ff 01 e8 8d 76 00 c6 00 00 ba 01 00 00 00 > eb b2 89 f8 3c 80 0f 94 c0 > e9 b9 fe ff ff 0f 0b eb fe 0f 0b eb fe <0f> 0b eb fe 0f 0b eb fe 66 > 90 53 31 db 83 ec 0c 85 c0 7 > 4 39 89 > EIP: [] swap_count_continued+0x176/0x180 SS:ESP 0069:c670fe0c > ---[ end trace c2dcb41c89b0a9f7 ]--- > > Thanks, > -Chris > > > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.xensource.com > http://lists.xensource.com/xen-devel From mboxrd@z Thu Jan 1 00:00:00 1970 From: Konrad Rzeszutek Wilk Subject: Re: Re: kernel BUG at mm/swapfile.c:2527! [was 3.0.0 Xen pv guest - BUG: Unable to handle] Date: Mon, 29 Aug 2011 11:07:34 -0400 Message-ID: <20110829150734.GB24825@dumpdata.com> References: <9CAEB881-07FE-437C-8A6B-DB7B690CEABE@linode.com> <4E5BA49D.5060800@theshore.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <4E5BA49D.5060800@theshore.net> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: "Christopher S. Aker" Cc: xen-devel@lists.xensource.com, LKML List-Id: xen-devel@lists.xenproject.org On Mon, Aug 29, 2011 at 10:39:25AM -0400, Christopher S. Aker wrote: > And another related from 2.6.39: I just don't get how you are the only person seeing this - and you have been seeing this from 2.6.32... The dom0 you have - is it printing at least something when this happens (or before)? Or the Xen hypervisor: maybe a message about L1 pages not found? And the dom0 is 2.6.18, right? - Did you update it (I know that the Red Hat guys have been updating a couple of things on it). Any chance I can get access to your setup and try to work with somebody to reproduce this? > > ------------[ cut here ]------------ > kernel BUG at mm/swapfile.c:2527! > invalid opcode: 0000 [#1] SMP > last sysfs file: /sys/devices/system/cpu/cpu3/topology/core_id > Modules linked in: > > Pid: 17680, comm: postgres Tainted: G B 2.6.39-linode33 #3 > EIP: 0061:[] EFLAGS: 00210246 CPU: 0 > EIP is at swap_count_continued+0x176/0x180 > EAX: f57bac57 EBX: eba2c200 ECX: f57ba000 EDX: 00000000 > ESI: ebfd7c20 EDI: 00000080 EBP: 00000c57 ESP: c670fe0c > DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0069 > Process postgres (pid: 17680, ti=c670e000 task=e93415d0 task.ti=c670e000) > Stack: > e9e3a340 00013c57 ee15fc57 00000000 c01b60b1 c0731000 c06982d5 401b4b73 > ceebc988 e9e3a340 00013c57 00000000 c01b60f7 ceebc988 b7731000 c670ff04 > c01a7183 4646e045 80000005 e62ce348 28999063 c0103fc5 7f662000 00278ae0 > Call Trace: > [] ? swap_entry_free+0x121/0x140 > [] ? _raw_spin_lock+0x5/0x10 > [] ? free_swap_and_cache+0x27/0xd0 > [] ? zap_pte_range+0x1b3/0x480 > [] ? pte_pfn_to_mfn+0xb5/0xd0 > [] ? unmap_page_range+0x118/0x1a0 > [] ? xen_force_evtchn_callback+0x17/0x30 > [] ? unmap_vmas+0x12b/0x1e0 > [] ? exit_mmap+0x91/0x140 > [] ? mmput+0x2b/0xc0 > [] ? exit_mm+0xfa/0x130 > [] ? _raw_spin_lock_irq+0x10/0x20 > [] ? do_exit+0x125/0x360 > [] ? xen_force_evtchn_callback+0x17/0x30 > [] ? do_group_exit+0x3c/0xa0 > [] ? sys_exit_group+0x11/0x20 > [] ? syscall_call+0x7/0xb > Code: ff 89 d8 e8 7d ec f6 ff 01 e8 8d 76 00 c6 00 00 ba 01 00 00 00 > eb b2 89 f8 3c 80 0f 94 c0 > e9 b9 fe ff ff 0f 0b eb fe 0f 0b eb fe <0f> 0b eb fe 0f 0b eb fe 66 > 90 53 31 db 83 ec 0c 85 c0 7 > 4 39 89 > EIP: [] swap_count_continued+0x176/0x180 SS:ESP 0069:c670fe0c > ---[ end trace c2dcb41c89b0a9f7 ]--- > > Thanks, > -Chris > > > _______________________________________________ > Xen-devel mailing list > Xen-devel@lists.xensource.com > http://lists.xensource.com/xen-devel