From owner-freebsd-xen@freebsd.org Thu Feb 2 19:22:08 2017 Return-Path: Delivered-To: freebsd-xen@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id A243CCCD470 for ; Thu, 2 Feb 2017 19:22:08 +0000 (UTC) (envelope-from liuyingdong@huawei.com) Received: from szxga03-in.huawei.com (szxga03-in.huawei.com [119.145.14.66]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (Client CN "myname.my.domain", Issuer "www.mirapoint.com" (not verified)) by mx1.freebsd.org (Postfix) with ESMTPS id 44BE91658 for ; Thu, 2 Feb 2017 19:22:06 +0000 (UTC) (envelope-from liuyingdong@huawei.com) Received: from 172.24.1.47 (EHLO szxema411-hub.china.huawei.com) ([172.24.1.47]) by szxrg03-dlp.huawei.com (MOS 4.4.3-GA FastPath queued) with ESMTP id COR86237; Fri, 03 Feb 2017 03:15:29 +0800 (CST) Received: from SZXEMA506-MBS.china.huawei.com ([169.254.4.67]) by szxema411-hub.china.huawei.com ([10.82.72.70]) with mapi id 14.03.0235.001; Fri, 3 Feb 2017 03:15:15 +0800 From: Liuyingdong To: freebsd xen CC: "freebsd-xen@freebsd.org" , Suoben , "Zhaojun (Euler)" , Wanglinkai , chuzhaosong , "Wangchunfeng (Ivan)" Subject: Re: [PATCH]netfront: need release all resources after adding and removing NICs time and again Thread-Topic: [PATCH]netfront: need release all resources after adding and removing NICs time and again Thread-Index: AdJ9gxO2He9z8yhGRz6AxJrIQzYSiQ== Date: Thu, 2 Feb 2017 19:15:15 +0000 Message-ID: <3655E9A8B903724782E1F75DCFD74E6B0122A2DC2F@szxema506-mbs.china.huawei.com> Accept-Language: zh-CN, en-US Content-Language: zh-CN X-MS-Has-Attach: yes X-MS-TNEF-Correlator: x-originating-ip: [10.47.111.25] Content-Type: multipart/mixed; boundary="_004_3655E9A8B903724782E1F75DCFD74E6B0122A2DC2Fszxema506mbsc_" MIME-Version: 1.0 X-CFilter-Loop: Reflected X-BeenThere: freebsd-xen@freebsd.org X-Mailman-Version: 2.1.23 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: Thu, 02 Feb 2017 19:22:08 -0000 --_004_3655E9A8B903724782E1F75DCFD74E6B0122A2DC2Fszxema506mbsc_ Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 SGVsbG8gUm9nZXIsDQoJVGhhbmsgeW91IGZvciB0aGUgdGltZSBhbmQgcGF0aWVuY2UgeW91IGRl dm90ZWQgdG8gcmVhZGluZyBteSBtZXNzYWdlcyBhbmQgZS1tYWlscy4gSSByZWFsbHkgYXBwcmVj aWF0ZSB0aGF0Lg0KCURlcGVuZCBvbiB5b3VyIHJlcGx5LCBJIHN1Ym1pdCB0aG9zZSBhZ2FpbnN0 IGN1cnJlbnQgSEVBRCAob3JpZ2luL21hc3RlcikuDQoNCjEuIDAwMDEgcGF0Y2g6IGludHJvZHVj ZSBzdXNwZW5kX2NhbmNlbCBtZWNoYW5pc20gZm9yIGZyb250ZW5kIGRldmljZXMuDQoxLjEgT24g YSBjYW5jZWxsZWQgc3VzcGVuZCwgeGVuIGZyb250ZW5kIGRldmljZXMgbmVlZCBrbm93IHRoZWly IHN0YXRlIGlzIGludmFyaWFudC4NCjEuMiBPbiBhIGNhbmNlbGxlZCBzdXNwZW5kIHRoZSB2Y3B1 X2luZm8gbG9jYXRpb24gZG9lcyBub3QgY2hhbmdlIChpdCdzIHN0aWxsIGluIHRoZSBwZXItY3B1 IGFyZWEgcmVnaXN0ZXJlZCBieSB4ZW5faHZtX2NwdV9pbml0KCkpLiBTbyBkbyBub3QgY2FsbCB4 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virtual machine to become unresponsive after live migration.patch"; size=886; creation-date="Thu, 02 Feb 2017 17:58:01 GMT"; modification-date="Thu, 02 Feb 2017 18:38:29 GMT" Content-Transfer-Encoding: base64 RnJvbSA3ODIxNWMwYjExN2ZiN2I2NTFjZjdlNTdhNmEzMjM0MDc0MTNkZGRlIE1vbiBTZXAgMTcg MDA6MDA6MDAgMjAwMQpGcm9tOiBsaXV5aW5nZG9uZyA8bGl1eWluZ2RvbmdAaHVhd2VpLmNvbT4K RGF0ZTogVGh1LCAyIEZlYiAyMDE3IDE5OjUyOjMzICswMjAwClN1YmplY3Q6IEJlY2F1c2Ugd3Jv bmcgb3JkZXIgb2YgZGV2aWNlIHJlc3VtZSwgVk0gd2lsbCBoYW5nIGFmdGVyIGxpdmUgbWlncmF0 aW9uLiAKYXR0YWNoIHRoZSBYZW4gUFYgdGltZXIgdG8gdGhlIG5leHVzIGRpcmVjdGx5IGFzIGl0 IHdhcyBkb25lIGJlZm9yZS4KCi0tLQogZGV2L3hlbi90aW1lci90aW1lci5jIHwgNCArKy0tCiAx IGZpbGUgY2hhbmdlZCwgMiBpbnNlcnRpb25zKCspLCAyIGRlbGV0aW9ucygtKQoKZGlmZiAtLWdp dCBhL2Rldi94ZW4vdGltZXIvdGltZXIuYyBiL2Rldi94ZW4vdGltZXIvdGltZXIuYwppbmRleCAw YjI2ODQ3Li5hZThmNjAzIDEwMDY0NAotLS0gYS9kZXYveGVuL3RpbWVyL3RpbWVyLmMKKysrIGIv ZGV2L3hlbi90aW1lci90aW1lci5jCkBAIC01NDYsNSArNTQ2LDUgQEAgc3RhdGljIGRyaXZlcl90 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[209.85.215.48]) by smtp.gmail.com with ESMTPSA id c143sm7072300lfc.13.2017.02.02.15.37.22 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 02 Feb 2017 15:37:22 -0800 (PST) Received: by mail-lf0-f48.google.com with SMTP id x1so1646395lff.0 for ; Thu, 02 Feb 2017 15:37:22 -0800 (PST) X-Received: by 10.46.84.92 with SMTP id y28mt5286243ljd.40.1486078642653; Thu, 02 Feb 2017 15:37:22 -0800 (PST) MIME-Version: 1.0 Received: by 10.25.145.68 with HTTP; Thu, 2 Feb 2017 15:37:02 -0800 (PST) In-Reply-To: <159d57da8bb.e9fea5dc25161.6113276104371162720@nfvexpress.com> References: <20170124114444.xdl3qj35lwebkso7@dhcp-3-221.uk.xensource.com> <159d0f04b55.10bbf935114648.7927688075504705395@nfvexpress.com> <20170124165621.iidjypfoyp4ccysi@dhcp-3-221.uk.xensource.com> <159d55b6b65.dc9b3b1720453.5847395326743424395@nfvexpress.com> <20170125115051.sasgqxwgt47p7pwi@dhcp-3-221.uk.xensource.com> <159d57da8bb.e9fea5dc25161.6113276104371162720@nfvexpress.com> From: Akshay Jaggi Date: Thu, 2 Feb 2017 23:37:02 +0000 X-Gmail-Original-Message-ID: Message-ID: Subject: Re: Xen on FreeBSD 11: Cannot boot from QCOW2 properly (waiting for XENBUS, xenbusb_nop_confighook_cb) Cc: =?UTF-8?Q?Roger_Pau_Monn=C3=A9?= , FreeBSD-Xen Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.23 X-BeenThere: freebsd-xen@freebsd.org X-Mailman-Version: 2.1.23 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: Thu, 02 Feb 2017 23:43:47 -0000 [-Alex] Hi Roger, Did this get solved with the change you submitted to Xen? On 25 January 2017 at 11:58, Alexander Nusov wrote: > Cool, many thanks! > > -- > Alex > > ---- On Wed, 25 Jan 2017 14:50:51 +0300 *Roger Pau Monn=C3=A9 > >* wrote ---- > > On Wed, Jan 25, 2017 at 02:20:55PM +0300, Alexander Nusov wrote: > > Got it, thanks. > > > > > > > > I found a workaround to avoid XENBUS delay in Linux DomUs by adding > xen_platform_pci =3D 0 to the configuration file. > > > > So FreeBSD 11.0 Dom0 can boot Linux guests and Windows Server (FreeBSD > DomU still stuck on xenbusb_nop_confighook_cb) from QCOW2 images (also > works with QCOW2 overlay images) > > > > On FreeBSD you can boot with QCOW2 by not setting "xen_platform_pci =3D 0= " > on the > guest config file and adding "hw.xen.disable_pv_disks=3D1" to the > /boot/loader.conf file of the guest. This will prevent FreeBSD from using > the > PV disk, but you will still get the PV network interfaces. > > > > > Can you tell me please what is the disadvantage of not using > /dev/xen/vbd devices and drivers in guests? like slow I/O? > > Slow IO only. > > > May it lead to data corruption? > > No. > > > From owner-freebsd-xen@freebsd.org Fri Feb 3 10:15:20 2017 Return-Path: Delivered-To: freebsd-xen@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id D61F8CCCE7D for ; Fri, 3 Feb 2017 10:15:20 +0000 (UTC) (envelope-from prvs=200bd2211=roger.pau@citrix.com) Received: from SMTP.EU.CITRIX.COM (smtp.ctxuk.citrix.com [185.25.65.24]) (using TLSv1.2 with cipher RC4-SHA (128/128 bits)) (Client CN "mail.citrix.com", Issuer "DigiCert SHA2 Secure Server CA" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 217C1E7A; Fri, 3 Feb 2017 10:15:19 +0000 (UTC) (envelope-from prvs=200bd2211=roger.pau@citrix.com) X-IronPort-AV: E=Sophos;i="5.33,328,1477958400"; d="scan'208";a="40053707" Date: Fri, 3 Feb 2017 10:14:02 +0000 From: Roger Pau =?iso-8859-1?Q?Monn=E9?= To: Akshay Jaggi CC: FreeBSD-Xen Subject: Re: Xen on FreeBSD 11: Cannot boot from QCOW2 properly (waiting for XENBUS, xenbusb_nop_confighook_cb) Message-ID: <20170203101402.dto7lzj2sldvuxl5@MacBook-Pro-de-Roger.local> References: <20170124114444.xdl3qj35lwebkso7@dhcp-3-221.uk.xensource.com> <159d0f04b55.10bbf935114648.7927688075504705395@nfvexpress.com> <20170124165621.iidjypfoyp4ccysi@dhcp-3-221.uk.xensource.com> <159d55b6b65.dc9b3b1720453.5847395326743424395@nfvexpress.com> <20170125115051.sasgqxwgt47p7pwi@dhcp-3-221.uk.xensource.com> <159d57da8bb.e9fea5dc25161.6113276104371162720@nfvexpress.com> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: User-Agent: NeoMutt/20170128 (1.7.2) X-ClientProxiedBy: AMSPEX02CAS02.citrite.net (10.69.22.113) To AMSPEX02CL02.citrite.net (10.69.22.126) X-BeenThere: freebsd-xen@freebsd.org X-Mailman-Version: 2.1.23 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, 03 Feb 2017 10:15:20 -0000 On Thu, Feb 02, 2017 at 11:37:02PM +0000, Akshay Jaggi wrote: > [-Alex] > > Hi Roger, > > Did this get solved with the change you submitted to Xen? This issue is cased by a bug in the VM subsystem, kib is currently looking into it, and patches will be committed soon hopefully. The Xen patch I've sent is the FreeBSD handlers for the gnttab lib, with that everything is already upstream :). I will backport the Xen patch to your Xen package once the VM issue is solved. Thanks, Roger. From owner-freebsd-xen@freebsd.org Fri Feb 3 16:16:32 2017 Return-Path: Delivered-To: freebsd-xen@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 1A311CCF8AD for ; Fri, 3 Feb 2017 16:16:32 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from kenobi.freebsd.org (kenobi.freebsd.org [IPv6:2001:1900:2254:206a::16:76]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 09E1DFAC for ; Fri, 3 Feb 2017 16:16:32 +0000 (UTC) (envelope-from bugzilla-noreply@freebsd.org) Received: from bugs.freebsd.org ([127.0.1.118]) by kenobi.freebsd.org (8.15.2/8.15.2) with ESMTP id v13GGVeT038551 for ; Fri, 3 Feb 2017 16:16:31 GMT (envelope-from bugzilla-noreply@freebsd.org) From: bugzilla-noreply@freebsd.org To: freebsd-xen@FreeBSD.org Subject: [Bug 212681] I/O is slow for FreeBSD DOMu on XenServer Date: Fri, 03 Feb 2017 16:16:32 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Base System X-Bugzilla-Component: kern X-Bugzilla-Version: 10.3-RELEASE X-Bugzilla-Keywords: performance X-Bugzilla-Severity: Affects Only Me X-Bugzilla-Who: rainer@ultra-secure.de X-Bugzilla-Status: New X-Bugzilla-Resolution: X-Bugzilla-Priority: --- X-Bugzilla-Assigned-To: freebsd-xen@FreeBSD.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugs.freebsd.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: freebsd-xen@freebsd.org X-Mailman-Version: 2.1.23 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, 03 Feb 2017 16:16:32 -0000 https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D212681 --- Comment #20 from rainer@ultra-secure.de --- Interestingly enough, even when the backend storage is an SSD-backed ScaleIO volume (PCIe NVMe), it's not faster. Linux is faster on SSDs. --=20 You are receiving this mail because: You are the assignee for the bug.=