From owner-freebsd-xen@FreeBSD.ORG Mon Mar 14 11:07:14 2011 Return-Path: Delivered-To: freebsd-xen@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 913BA10656A7 for ; Mon, 14 Mar 2011 11:07:14 +0000 (UTC) (envelope-from owner-bugmaster@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id 65F0B8FC12 for ; Mon, 14 Mar 2011 11:07:14 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.4/8.14.4) with ESMTP id p2EB7E4L002754 for ; Mon, 14 Mar 2011 11:07:14 GMT (envelope-from owner-bugmaster@FreeBSD.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.4/8.14.4/Submit) id p2EB7DAi002752 for freebsd-xen@FreeBSD.org; Mon, 14 Mar 2011 11:07:13 GMT (envelope-from owner-bugmaster@FreeBSD.org) Date: Mon, 14 Mar 2011 11:07:13 GMT Message-Id: <201103141107.p2EB7DAi002752@freefall.freebsd.org> X-Authentication-Warning: freefall.freebsd.org: gnats set sender to owner-bugmaster@FreeBSD.org using -f From: FreeBSD bugmaster To: freebsd-xen@FreeBSD.org Cc: Subject: Current problem reports assigned to freebsd-xen@FreeBSD.org X-BeenThere: freebsd-xen@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussion of the freebsd port to xen - implementation and usage List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 14 Mar 2011 11:07:14 -0000 Note: to view an individual PR, use: http://www.freebsd.org/cgi/query-pr.cgi?pr=(number). The following is a listing of current problems submitted by FreeBSD users. These represent problem reports covering all versions including experimental development code and obsolete releases. S Tracker Resp. Description -------------------------------------------------------------------------------- o kern/155353 xen [xen] [patch] put "nudging TOD" message under boot_ver o i386/154833 xen [xen]: xen 4.0 - DomU freebsd8.2RC3 i386, XEN kernel. o kern/154473 xen [xen] xen 4.0 - DomU freebsd8.1 i386, XEN kernel. Not o kern/154472 xen [xen] xen 4.0 - DomU freebsd8.1 i386 xen kernel reboot o kern/154428 xen [xen] xn0 network interface and PF - Massive performan o kern/154302 xen [xen] [panic] [patch] xn0: Error 2 parsing device/vif/ o kern/153789 xen [xen] [regression] FreeBSD 8.2-RC1 crashes under Solar o kern/153674 xen [xen] i386/XEN idle thread shows wrong percentages o kern/153672 xen [xen] [panic] i386/XEN panics under heavy fork load o kern/153620 xen [xen] Xen guest system clock drifts in AWS EC2 (FreeBS o kern/153477 xen [xen] XEN pmap code abuses vm page queue lock o kern/153150 xen [xen] xen/ec2: disable checksum offloading on interfac o kern/152228 xen [xen] [panic] Xen/PV panic with machdep.idle_mwait=1 o kern/144629 xen [xen] FreeBSD 8-RELEASE XEN pvm networking doesn't wor o kern/143398 xen [xen] FreeBSD 8-RELEASE XEN pvm networking doesn't wor o kern/143340 xen [xen] FreeBSD 8-RELEASE XEN pvm networking doesn't wor f kern/143069 xen [xen] [panic] Xen Kernel Panic - Memory modified after f kern/135667 xen ufs filesystem corruption on XEN DomU system f kern/135421 xen [xen] FreeBSD Xen PVM DomU network failure - netfronc. f kern/135178 xen [xen] Xen domU outgoing data transfer stall when TSO i p kern/135069 xen [xen] FreeBSD-current/Xen SMP doesn't function at all f i386/124516 xen [xen] FreeBSD-CURRENT Xen Kernel Segfaults when config o kern/118734 xen [xen] FreeBSD 6.3-RC1 and FreeBSD 7.0-BETA 4 fail to b 23 problems total. From owner-freebsd-xen@FreeBSD.ORG Tue Mar 15 13:10:13 2011 Return-Path: Delivered-To: freebsd-xen@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id CAA621065670 for ; Tue, 15 Mar 2011 13:10:13 +0000 (UTC) (envelope-from lars.kurth.xen@gmail.com) Received: from mail-ww0-f50.google.com (mail-ww0-f50.google.com [74.125.82.50]) by mx1.freebsd.org (Postfix) with ESMTP id 999318FC17 for ; Tue, 15 Mar 2011 13:10:05 +0000 (UTC) Received: by wwc33 with SMTP id 33so657037wwc.31 for ; Tue, 15 Mar 2011 06:10:04 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:sender:message-id:date:from:user-agent :mime-version:to:subject:content-type:content-transfer-encoding; bh=cOENGlrX9FyvdiGpTAEsmz5C+1VTiCgKaYV+VdD00rw=; b=qM8K7OA2gY1CkkEdN6Lkk99yBXEL7y350iDyVuh3eUvgqmsp+CvMw5bxBYVhxvqvM1 d0ANmrcyqIE4bXCPBA1bWKODWL6A8mBYncAPF5TLoETxy/LK7VQY+cvwdYlPW3sgfGeD hPIccXcB+Ccmnag08SFw6pqi2wpWvM9GL9Rzc= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=sender:message-id:date:from:user-agent:mime-version:to:subject :content-type:content-transfer-encoding; b=H+fTvPrZLiOUX9bkvvyBQlVkQp+pzrbVNfYlVjiiJjTRJP794ax/0fsgEJ87xOYn6C oBdImfsHl5KEmQtMNgMVOM8+UYfy+bl0++SoICX/7HtdRSGkIujwJdlQqrBI3O9ceFhF OcrKpKw/cfnYoeDgfkncJVoaKKP3Jp0NjGjOw= Received: by 10.227.169.140 with SMTP id z12mr8637811wby.89.1300193288792; Tue, 15 Mar 2011 05:48:08 -0700 (PDT) Received: from [192.168.0.7] (5ad110bd.bb.sky.com [90.209.16.189]) by mx.google.com with ESMTPS id x1sm608099wbh.14.2011.03.15.05.48.07 (version=SSLv3 cipher=OTHER); Tue, 15 Mar 2011 05:48:08 -0700 (PDT) Sender: Lars Kurth Message-ID: <4D7F6011.5030405@xen.org> Date: Tue, 15 Mar 2011 12:48:17 +0000 From: Lars Kurth User-Agent: Mozilla/5.0 (Windows; U; Windows NT 6.1; en-GB; rv:1.9.2.15) Gecko/20110303 Thunderbird/3.1.9 MIME-Version: 1.0 To: freebsd-xen@freebsd.org Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Mailman-Approved-At: Tue, 15 Mar 2011 13:31:38 +0000 Subject: Xen Dom0 support in Free BSD X-BeenThere: freebsd-xen@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussion of the freebsd port to xen - implementation and usage List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 15 Mar 2011 13:10:13 -0000 Hi, I was wondering what the status of FreeBSD support for Xen as Dom0 is. I couldn't find any mention on http://wiki.freebsd.org/FreeBSD/Xen We are currently updating - http://wiki.xensource.com/xenwiki/XenDomUSupport - http://wiki.xensource.com/xenwiki/XenDom0Kernels Thank you for helping out Lars From owner-freebsd-xen@FreeBSD.ORG Tue Mar 15 20:12:36 2011 Return-Path: Delivered-To: freebsd-xen@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 8B62A106564A for ; Tue, 15 Mar 2011 20:12:36 +0000 (UTC) (envelope-from seanbru@yahoo-inc.com) Received: from mrout2-b.corp.re1.yahoo.com (mrout2-b.corp.re1.yahoo.com [69.147.107.21]) by mx1.freebsd.org (Postfix) with ESMTP id 451BB8FC13 for ; Tue, 15 Mar 2011 20:12:36 +0000 (UTC) Received: from [127.0.0.1] (rideseveral.corp.yahoo.com [10.73.160.231]) by mrout2-b.corp.re1.yahoo.com (8.14.4/8.14.4/y.out) with ESMTP id p2FK27Jw031932; Tue, 15 Mar 2011 13:02:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=yahoo-inc.com; s=cobra; t=1300219328; bh=0qr2R+qQ4aSSFraIfCcrvfdQ3MgdhgJ8akPo2NM7+3E=; h=Subject:From:To:Cc:In-Reply-To:References:Content-Type:Date: Message-ID:Mime-Version:Content-Transfer-Encoding; b=RwL2y1zFmwDuoxaLlEy1yH9pSwBZzN9gJmMf8KH4Zl5jn50LWAxoK6+fcQ1rooKjG VPTd8AjlqsNu2jI5uOMKC35MKyVz/ruEqxsqrGcIkHhhu8w+StCCAGEBwQoepWnbkJ Y6B0fkyYEsVm7+9GsYcYAzyPRmkL/emAQKWJF2zk= From: Sean Bruno To: Lars Kurth In-Reply-To: <4D7F6011.5030405@xen.org> References: <4D7F6011.5030405@xen.org> Content-Type: text/plain; charset="UTF-8" Date: Tue, 15 Mar 2011 13:02:07 -0700 Message-ID: <1300219327.2636.5.camel@hitfishpass-lx.corp.yahoo.com> Mime-Version: 1.0 X-Mailer: Evolution 2.32.2 (2.32.2-1.fc14) Content-Transfer-Encoding: 7bit Cc: "freebsd-xen@freebsd.org" Subject: Re: Xen Dom0 support in Free BSD X-BeenThere: freebsd-xen@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussion of the freebsd port to xen - implementation and usage List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 15 Mar 2011 20:12:36 -0000 On Tue, 2011-03-15 at 05:48 -0700, Lars Kurth wrote: > Hi, > > I was wondering what the status of FreeBSD support for Xen as Dom0 is. I > couldn't find any mention on http://wiki.freebsd.org/FreeBSD/Xen > > We are currently updating > - http://wiki.xensource.com/xenwiki/XenDomUSupport > - http://wiki.xensource.com/xenwiki/XenDom0Kernels > > Thank you for helping out > Lars > _______________________________________________ AFAIK, there is no Dom0 support in FreeBSD at this time. I'm not sure if anyone has spent any significant time looking at the NetBSD Dom0 as a base to port over to FreeBSD. Sean From owner-freebsd-xen@FreeBSD.ORG Fri Mar 18 10:07:14 2011 Return-Path: Delivered-To: freebsd-xen@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id A0BAA106564A for ; Fri, 18 Mar 2011 10:07:14 +0000 (UTC) (envelope-from ykohut@onapp.com) Received: from edgelb.ocscloud.net (edge02.ocscloud.net [91.210.68.36]) by mx1.freebsd.org (Postfix) with ESMTP id 455048FC17 for ; Fri, 18 Mar 2011 10:07:14 +0000 (UTC) Received: from W01EXHUB01.hosting.tg.local (10.101.22.23) by W01EXEDGE02.hosting.tg.local (91.210.68.36) with Microsoft SMTP Server (TLS) id 8.1.311.2; Fri, 18 Mar 2011 09:56:18 +0000 Received: from [192.168.128.200] (194.44.160.178) by smtpauth.thinkgrid.net (10.101.22.25) with Microsoft SMTP Server (TLS) id 8.1.311.2; Fri, 18 Mar 2011 09:56:17 +0000 From: Yuriy Kohut Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Date: Fri, 18 Mar 2011 11:56:12 +0200 Message-ID: To: "freebsd-xen@freebsd.org" MIME-Version: 1.0 (Apple Message framework v1082) X-Mailer: Apple Mail (2.1082) Cc: Subject: 8.2-RELEASE (XEN config) panics on /usr/src/sys/i386/xen/pmap.c:1073 X-BeenThere: freebsd-xen@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussion of the freebsd port to xen - implementation and usage List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 18 Mar 2011 10:07:14 -0000 Hi, FreeBSD DomU details: FreeBSD 8.2-RELEASE (XEN) i386 The kernel was compiled as # make buildkernel KERNCONF=3DXEN INSTKERNNAME=3D8.2-XEN The CVS brach used is: RELENG_8_2 I got kernel panics while was compiling GHC from ports: =3D=3D=3D> Configuring for hs-ghc-paths-0.1.0.5_1 [1 of 1] Compiling Main ( Setup.hs, Setup.o ) Linking setup ... gcc: Internal error: Killed: 9 (program ld) Please submit a full bug report. See for instructions. *** Error code 1 The panic details are (from main console): lock order reversal: 1st 0xc05b08c4 PMAP2 (PMAP2) @ /usr/src/sys/i386/xen/pmap.c:1049 2nd 0xc054de04 vm page queue mutex (vm page queue mutex) @ = /usr/src/sys/i386/xen/pmap.c:1073 KDB: stack backtrace: X_db_sym_numargs(c0363f9a,c03e8cbc,282,0,a3481215,...) at = X_db_sym_numargs+0x146 kdb_backtrace(c010e74b,c0366eaf,c16ca5f0,c16ca178,cca6eab8,...) at = kdb_backtrace+0x2a = witness_display_spinlock(c0366eaf,c054de04,c03670bc,c16ca178,c038d96c,...)= at witness_display_spinlock+0x75 witness_checkorder(c054de04,9,c038d96c,431,0,...) at = witness_checkorder+0x839 _mtx_lock_flags(c054de04,0,c038d96c,431,292,...) at _mtx_lock_flags+0xc4 pmap_extract(c1ae78fc,28202000,4,c035f3ba,c1ae78fc,...) at = pmap_extract+0x1c8 vm_fault_unwire(c1ae784c,28202000,28203000,0,0,...) at = vm_fault_unwire+0x32 vm_map_delete(c1ae784c,1000,bf800000,1,c1ae784c,...) at = vm_map_delete+0x17f vm_map_remove(c1ae784c,1000,bf800000,0,c1b2d7f8,...) at = vm_map_remove+0x51 vmspace_exit(c18f82d0,0,c035bd35,12d,cca6ec60,...) at vmspace_exit+0xbf exit1(c18f82d0,0,cca6ec8c,c0117f86,c18f82d0,...) at exit1+0x5db sys_exit(c18f82d0,cca6ecfc,cca6ed38,c0365893,0,...) at sys_exit+0x1d syscallenter(c18f82d0,cca6ecf4,cca6ecf4,0,c03335ea,...) at = syscallenter+0x246 syscall(cca6ed38) at syscall+0x34 Xint0x80_syscall() at Xint0x80_syscall+0x22 --- syscall (1, FreeBSD ELF32, sys_exit), eip =3D 0x280ff32f, esp =3D = 0xbf7fe72c, ebp =3D 0xbf7fe738 --- Could somebody assis me with that ? Please let me know if more details required. --- Yura From owner-freebsd-xen@FreeBSD.ORG Fri Mar 18 20:11:55 2011 Return-Path: Delivered-To: freebsd-xen@freebsd.org Received: from mx2.freebsd.org (mx2.freebsd.org [IPv6:2001:4f8:fff6::35]) by hub.freebsd.org (Postfix) with ESMTP id 9EC0B106566C for ; Fri, 18 Mar 2011 20:11:55 +0000 (UTC) (envelope-from cperciva@freebsd.org) Received: from xps.daemonology.net (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx2.freebsd.org (Postfix) with SMTP id 1BD0615004E for ; Fri, 18 Mar 2011 20:11:55 +0000 (UTC) Received: (qmail 19026 invoked from network); 18 Mar 2011 20:11:54 -0000 Received: from unknown (HELO xps.daemonology.net) (127.0.0.1) by localhost with SMTP; 18 Mar 2011 20:11:54 -0000 Message-ID: <4D83BC8A.6030600@freebsd.org> Date: Fri, 18 Mar 2011 13:11:54 -0700 From: Colin Percival User-Agent: Mozilla/5.0 (X11; U; FreeBSD amd64; en-US; rv:1.9.1.16) Gecko/20101220 Thunderbird/3.0.11 MIME-Version: 1.0 To: Yuriy Kohut References: In-Reply-To: X-Enigmail-Version: 1.0.1 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: "freebsd-xen@freebsd.org" Subject: Re: 8.2-RELEASE (XEN config) panics on /usr/src/sys/i386/xen/pmap.c:1073 X-BeenThere: freebsd-xen@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussion of the freebsd port to xen - implementation and usage List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 18 Mar 2011 20:11:55 -0000 On 03/18/11 02:56, Yuriy Kohut wrote: > I got kernel panics while was compiling GHC from ports: > > ===> Configuring for hs-ghc-paths-0.1.0.5_1 > [1 of 1] Compiling Main ( Setup.hs, Setup.o ) > Linking setup ... > gcc: Internal error: Killed: 9 (program ld) > Please submit a full bug report. > See for instructions. > *** Error code 1 That's not a kernel panic... > The panic details are (from main console): > > lock order reversal: > 1st 0xc05b08c4 PMAP2 (PMAP2) @ /usr/src/sys/i386/xen/pmap.c:1049 > 2nd 0xc054de04 vm page queue mutex (vm page queue mutex) @ /usr/src/sys/i386/xen/pmap.c:1073 > KDB: stack backtrace: > X_db_sym_numargs(c0363f9a,c03e8cbc,282,0,a3481215,...) at X_db_sym_numargs+0x146 > kdb_backtrace(c010e74b,c0366eaf,c16ca5f0,c16ca178,cca6eab8,...) at kdb_backtrace+0x2a > witness_display_spinlock(c0366eaf,c054de04,c03670bc,c16ca178,c038d96c,...) at witness_display_spinlock+0x75 > witness_checkorder(c054de04,9,c038d96c,431,0,...) at witness_checkorder+0x839 > _mtx_lock_flags(c054de04,0,c038d96c,431,292,...) at _mtx_lock_flags+0xc4 > pmap_extract(c1ae78fc,28202000,4,c035f3ba,c1ae78fc,...) at pmap_extract+0x1c8 > vm_fault_unwire(c1ae784c,28202000,28203000,0,0,...) at vm_fault_unwire+0x32 > vm_map_delete(c1ae784c,1000,bf800000,1,c1ae784c,...) at vm_map_delete+0x17f > vm_map_remove(c1ae784c,1000,bf800000,0,c1b2d7f8,...) at vm_map_remove+0x51 > vmspace_exit(c18f82d0,0,c035bd35,12d,cca6ec60,...) at vmspace_exit+0xbf > exit1(c18f82d0,0,cca6ec8c,c0117f86,c18f82d0,...) at exit1+0x5db > sys_exit(c18f82d0,cca6ecfc,cca6ed38,c0365893,0,...) at sys_exit+0x1d > syscallenter(c18f82d0,cca6ecf4,cca6ecf4,0,c03335ea,...) at syscallenter+0x246 > syscall(cca6ed38) at syscall+0x34 > Xint0x80_syscall() at Xint0x80_syscall+0x22 > --- syscall (1, FreeBSD ELF32, sys_exit), eip = 0x280ff32f, esp = 0xbf7fe72c, ebp = 0xbf7fe738 --- This is a known LOR, but shouldn't cause a kernel panic. -- Colin Percival Security Officer, FreeBSD | freebsd.org | The power to serve Founder / author, Tarsnap | tarsnap.com | Online backups for the truly paranoid From owner-freebsd-xen@FreeBSD.ORG Sat Mar 19 09:54:19 2011 Return-Path: Delivered-To: freebsd-xen@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id F391A1065689; Sat, 19 Mar 2011 09:54:18 +0000 (UTC) (envelope-from ykohut@onapp.com) Received: from edgelb.ocscloud.net (edge02.ocscloud.net [91.210.68.36]) by mx1.freebsd.org (Postfix) with ESMTP id 0B8918FC0C; Sat, 19 Mar 2011 09:54:18 +0000 (UTC) Received: from W01EXHUB01.hosting.tg.local (10.101.22.23) by W01EXEDGE02.hosting.tg.local (91.210.68.36) with Microsoft SMTP Server (TLS) id 8.1.311.2; Sat, 19 Mar 2011 09:54:15 +0000 Received: from 33-129-210-178.static.telcom.net.ua (178.210.129.33) by smtpauth.thinkgrid.net (10.101.22.25) with Microsoft SMTP Server (TLS) id 8.1.311.2; Sat, 19 Mar 2011 09:54:15 +0000 MIME-Version: 1.0 (Apple Message framework v1082) Content-Type: text/plain; charset="us-ascii" From: Yuriy Kohut In-Reply-To: <4D83BC8A.6030600@freebsd.org> Date: Sat, 19 Mar 2011 11:54:13 +0200 Content-Transfer-Encoding: quoted-printable Message-ID: <1C2668D1-1E5A-40CC-8D8B-2862A8E6A6B0@onapp.com> References: <4D83BC8A.6030600@freebsd.org> To: Colin Percival X-Mailer: Apple Mail (2.1082) Cc: "freebsd-xen@freebsd.org" Subject: Re: 8.2-RELEASE (XEN config) panics on /usr/src/sys/i386/xen/pmap.c:1073 X-BeenThere: freebsd-xen@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussion of the freebsd port to xen - implementation and usage List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 19 Mar 2011 09:54:19 -0000 Thanks for making things clear. --- Yura On Mar 18, 2011, at 10:11 PM, Colin Percival wrote: > On 03/18/11 02:56, Yuriy Kohut wrote: >> I got kernel panics while was compiling GHC from ports: >>=20 >> =3D=3D=3D> Configuring for hs-ghc-paths-0.1.0.5_1 >> [1 of 1] Compiling Main ( Setup.hs, Setup.o ) >> Linking setup ... >> gcc: Internal error: Killed: 9 (program ld) >> Please submit a full bug report. >> See for instructions. >> *** Error code 1 >=20 > That's not a kernel panic... >=20 >> The panic details are (from main console): >>=20 >> lock order reversal: >> 1st 0xc05b08c4 PMAP2 (PMAP2) @ /usr/src/sys/i386/xen/pmap.c:1049 >> 2nd 0xc054de04 vm page queue mutex (vm page queue mutex) @ = /usr/src/sys/i386/xen/pmap.c:1073 >> KDB: stack backtrace: >> X_db_sym_numargs(c0363f9a,c03e8cbc,282,0,a3481215,...) at = X_db_sym_numargs+0x146 >> kdb_backtrace(c010e74b,c0366eaf,c16ca5f0,c16ca178,cca6eab8,...) at = kdb_backtrace+0x2a >> = witness_display_spinlock(c0366eaf,c054de04,c03670bc,c16ca178,c038d96c,...)= at witness_display_spinlock+0x75 >> witness_checkorder(c054de04,9,c038d96c,431,0,...) at = witness_checkorder+0x839 >> _mtx_lock_flags(c054de04,0,c038d96c,431,292,...) at = _mtx_lock_flags+0xc4 >> pmap_extract(c1ae78fc,28202000,4,c035f3ba,c1ae78fc,...) at = pmap_extract+0x1c8 >> vm_fault_unwire(c1ae784c,28202000,28203000,0,0,...) at = vm_fault_unwire+0x32 >> vm_map_delete(c1ae784c,1000,bf800000,1,c1ae784c,...) at = vm_map_delete+0x17f >> vm_map_remove(c1ae784c,1000,bf800000,0,c1b2d7f8,...) at = vm_map_remove+0x51 >> vmspace_exit(c18f82d0,0,c035bd35,12d,cca6ec60,...) at = vmspace_exit+0xbf >> exit1(c18f82d0,0,cca6ec8c,c0117f86,c18f82d0,...) at exit1+0x5db >> sys_exit(c18f82d0,cca6ecfc,cca6ed38,c0365893,0,...) at sys_exit+0x1d >> syscallenter(c18f82d0,cca6ecf4,cca6ecf4,0,c03335ea,...) at = syscallenter+0x246 >> syscall(cca6ed38) at syscall+0x34 >> Xint0x80_syscall() at Xint0x80_syscall+0x22 >> --- syscall (1, FreeBSD ELF32, sys_exit), eip =3D 0x280ff32f, esp =3D = 0xbf7fe72c, ebp =3D 0xbf7fe738 --- >=20 > This is a known LOR, but shouldn't cause a kernel panic. >=20 > --=20 > Colin Percival > Security Officer, FreeBSD | freebsd.org | The power to serve > Founder / author, Tarsnap | tarsnap.com | Online backups for the truly = paranoid