From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.4 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id ACC41C433DF for ; Thu, 14 May 2020 11:11:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8A03C20722 for ; Thu, 14 May 2020 11:11:13 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="iDundy5L" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726156AbgENLLN (ORCPT ); Thu, 14 May 2020 07:11:13 -0400 Received: from us-smtp-delivery-1.mimecast.com ([207.211.31.120]:23400 "EHLO us-smtp-1.mimecast.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726066AbgENLLL (ORCPT ); Thu, 14 May 2020 07:11:11 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1589454669; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:autocrypt:autocrypt; bh=+qP2B7usFKG4trzN19dCxZ9YpN+Ul9dKhRNGJ7kmQH4=; b=iDundy5L07k0m9D0mL8OgZrTfqBq/ZKT2okbn1fMD4tsjnAT8hbxP767VFW80FvTGD/mpx OpvvLZxhkcOgS5fc760LxlJ0E91xNoQOAWcPHnNkJJDzNgTF/DAOgv8HyRstbvZwaKf+sL vhnEqu/NBBbsCMsuIf8lLGiHH8ZBkFI= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-23-SCjMNVzzOyeyABEUpnp8ng-1; Thu, 14 May 2020 07:11:05 -0400 X-MC-Unique: SCjMNVzzOyeyABEUpnp8ng-1 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.phx2.redhat.com [10.5.11.13]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 0C8D3474; Thu, 14 May 2020 11:11:00 +0000 (UTC) Received: from [10.36.114.168] (ovpn-114-168.ams2.redhat.com [10.36.114.168]) by smtp.corp.redhat.com (Postfix) with ESMTP id 9E839579AD; Thu, 14 May 2020 11:10:41 +0000 (UTC) Subject: Re: [virtio-dev] [PATCH v3 00/15] virtio-mem: paravirtualized memory From: David Hildenbrand To: teawater Cc: LKML , Linux MM , virtio-dev@lists.oasis-open.org, Linux Virtualization , kvm@vger.kernel.org, Michal Hocko , Andrew Morton , "Michael S . Tsirkin" , Sebastien Boeuf , Samuel Ortiz , Robert Bradford , Luiz Capitulino , Pankaj Gupta , Igor Mammedov , "Dr . David Alan Gilbert" , Alexander Duyck , Alexander Potapenko , Anshuman Khandual , Anthony Yznaga , Dan Williams , Dave Young , Jason Wang , Johannes Weiner , Juergen Gross , Konrad Rzeszutek Wilk , Len Brown , Mel Gorman , Michal Hocko , Mike Rapoport , Oscar Salvador , Oscar Salvador , Pavel Tatashin , Pavel Tatashin , Pingfan Liu , Qian Cai , "Rafael J. Wysocki" , "Rafael J. Wysocki" , Stefan Hajnoczi , Vlastimil Babka , Wei Yang References: <20200507103119.11219-1-david@redhat.com> <7848642F-6AA7-4B5E-AE0E-DB0857C94A93@linux.alibaba.com> <31c5d2f9-c104-53e8-d9c8-cb45f7507c85@redhat.com> <389b6bdc-b196-e4b9-b6be-dcac57524fdf@redhat.com> Autocrypt: addr=david@redhat.com; prefer-encrypt=mutual; keydata= mQINBFXLn5EBEAC+zYvAFJxCBY9Tr1xZgcESmxVNI/0ffzE/ZQOiHJl6mGkmA1R7/uUpiCjJ dBrn+lhhOYjjNefFQou6478faXE6o2AhmebqT4KiQoUQFV4R7y1KMEKoSyy8hQaK1umALTdL QZLQMzNE74ap+GDK0wnacPQFpcG1AE9RMq3aeErY5tujekBS32jfC/7AnH7I0v1v1TbbK3Gp XNeiN4QroO+5qaSr0ID2sz5jtBLRb15RMre27E1ImpaIv2Jw8NJgW0k/D1RyKCwaTsgRdwuK Kx/Y91XuSBdz0uOyU/S8kM1+ag0wvsGlpBVxRR/xw/E8M7TEwuCZQArqqTCmkG6HGcXFT0V9 PXFNNgV5jXMQRwU0O/ztJIQqsE5LsUomE//bLwzj9IVsaQpKDqW6TAPjcdBDPLHvriq7kGjt WhVhdl0qEYB8lkBEU7V2Yb+SYhmhpDrti9Fq1EsmhiHSkxJcGREoMK/63r9WLZYI3+4W2rAc UucZa4OT27U5ZISjNg3Ev0rxU5UH2/pT4wJCfxwocmqaRr6UYmrtZmND89X0KigoFD/XSeVv jwBRNjPAubK9/k5NoRrYqztM9W6sJqrH8+UWZ1Idd/DdmogJh0gNC0+N42Za9yBRURfIdKSb B3JfpUqcWwE7vUaYrHG1nw54pLUoPG6sAA7Mehl3nd4pZUALHwARAQABtCREYXZpZCBIaWxk ZW5icmFuZCA8ZGF2aWRAcmVkaGF0LmNvbT6JAlgEEwEIAEICGwMFCQlmAYAGCwkIBwMCBhUI AgkKCwQWAgMBAh4BAheAFiEEG9nKrXNcTDpGDfzKTd4Q9wD/g1oFAl3pImkCGQEACgkQTd4Q 9wD/g1o+VA//SFvIHUAvul05u6wKv/pIR6aICPdpF9EIgEU448g+7FfDgQwcEny1pbEzAmiw zAXIQ9H0NZh96lcq+yDLtONnXk/bEYWHHUA014A1wqcYNRY8RvY1+eVHb0uu0KYQoXkzvu+s Dncuguk470XPnscL27hs8PgOP6QjG4jt75K2LfZ0eAqTOUCZTJxA8A7E9+XTYuU0hs7QVrWJ jQdFxQbRMrYz7uP8KmTK9/Cnvqehgl4EzyRaZppshruKMeyheBgvgJd5On1wWq4ZUV5PFM4x II3QbD3EJfWbaJMR55jI9dMFa+vK7MFz3rhWOkEx/QR959lfdRSTXdxs8V3zDvChcmRVGN8U Vo93d1YNtWnA9w6oCW1dnDZ4kgQZZSBIjp6iHcA08apzh7DPi08jL7M9UQByeYGr8KuR4i6e RZI6xhlZerUScVzn35ONwOC91VdYiQgjemiVLq1WDDZ3B7DIzUZ4RQTOaIWdtXBWb8zWakt/ ztGhsx0e39Gvt3391O1PgcA7ilhvqrBPemJrlb9xSPPRbaNAW39P8ws/UJnzSJqnHMVxbRZC Am4add/SM+OCP0w3xYss1jy9T+XdZa0lhUvJfLy7tNcjVG/sxkBXOaSC24MFPuwnoC9WvCVQ ZBxouph3kqc4Dt5X1EeXVLeba+466P1fe1rC8MbcwDkoUo65Ag0EVcufkQEQAOfX3n0g0fZz Bgm/S2zF/kxQKCEKP8ID+Vz8sy2GpDvveBq4H2Y34XWsT1zLJdvqPI4af4ZSMxuerWjXbVWb T6d4odQIG0fKx4F8NccDqbgHeZRNajXeeJ3R7gAzvWvQNLz4piHrO/B4tf8svmRBL0ZB5P5A 2uhdwLU3NZuK22zpNn4is87BPWF8HhY0L5fafgDMOqnf4guJVJPYNPhUFzXUbPqOKOkL8ojk CXxkOFHAbjstSK5Ca3fKquY3rdX3DNo+EL7FvAiw1mUtS+5GeYE+RMnDCsVFm/C7kY8c2d0G NWkB9pJM5+mnIoFNxy7YBcldYATVeOHoY4LyaUWNnAvFYWp08dHWfZo9WCiJMuTfgtH9tc75 7QanMVdPt6fDK8UUXIBLQ2TWr/sQKE9xtFuEmoQGlE1l6bGaDnnMLcYu+Asp3kDT0w4zYGsx 5r6XQVRH4+5N6eHZiaeYtFOujp5n+pjBaQK7wUUjDilPQ5QMzIuCL4YjVoylWiBNknvQWBXS lQCWmavOT9sttGQXdPCC5ynI+1ymZC1ORZKANLnRAb0NH/UCzcsstw2TAkFnMEbo9Zu9w7Kv AxBQXWeXhJI9XQssfrf4Gusdqx8nPEpfOqCtbbwJMATbHyqLt7/oz/5deGuwxgb65pWIzufa N7eop7uh+6bezi+rugUI+w6DABEBAAGJAiUEGAECAA8FAlXLn5ECGwwFCQlmAYAACgkQTd4Q 9wD/g1qA6w/+M+ggFv+JdVsz5+ZIc6MSyGUozASX+bmIuPeIecc9UsFRatc91LuJCKMkD9Uv GOcWSeFpLrSGRQ1Z7EMzFVU//qVs6uzhsNk0RYMyS0B6oloW3FpyQ+zOVylFWQCzoyyf227y GW8HnXunJSC+4PtlL2AY4yZjAVAPLK2l6mhgClVXTQ/S7cBoTQKP+jvVJOoYkpnFxWE9pn4t H5QIFk7Ip8TKr5k3fXVWk4lnUi9MTF/5L/mWqdyIO1s7cjharQCstfWCzWrVeVctpVoDfJWp 4LwTuQ5yEM2KcPeElLg5fR7WB2zH97oI6/Ko2DlovmfQqXh9xWozQt0iGy5tWzh6I0JrlcxJ ileZWLccC4XKD1037Hy2FLAjzfoWgwBLA6ULu0exOOdIa58H4PsXtkFPrUF980EEibUp0zFz GotRVekFAceUaRvAj7dh76cToeZkfsjAvBVb4COXuhgX6N4pofgNkW2AtgYu1nUsPAo+NftU CxrhjHtLn4QEBpkbErnXQyMjHpIatlYGutVMS91XTQXYydCh5crMPs7hYVsvnmGHIaB9ZMfB njnuI31KBiLUks+paRkHQlFcgS2N3gkRBzH7xSZ+t7Re3jvXdXEzKBbQ+dC3lpJB0wPnyMcX FOTT3aZT7IgePkt5iC/BKBk3hqKteTnJFeVIT7EC+a6YUFg= Organization: Red Hat GmbH Message-ID: <3c82e149-6c42-690e-9d58-bb8e69870fe0@redhat.com> Date: Thu, 14 May 2020 13:10:40 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.7.0 MIME-Version: 1.0 In-Reply-To: <389b6bdc-b196-e4b9-b6be-dcac57524fdf@redhat.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.13 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 14.05.20 12:12, David Hildenbrand wrote: > On 14.05.20 12:02, teawater wrote: >> >> >>> 2020年5月14日 16:48，David Hildenbrand 写道： >>> >>> On 14.05.20 08:44, teawater wrote: >>>> Hi David, >>>> >>>> I got a kernel warning with v2 and v3. >>> >>> Hi Hui, >>> >>> thanks for playing with the latest versions. Surprisingly, I can >>> reproduce even by hotplugging a DIMM instead as well - that's good, so >>> it's not related to virtio-mem, lol. Seems to be some QEMU setup issue >>> with older machine types. >>> >>> Can you switch to a newer qemu machine version, especially >>> pc-i440fx-5.0? Both, hotplugging DIMMs and virtio-mem works for me with >>> that QEMU machine just fine. >> >> I still could reproduce this issue with pc-i440fx-5.0 or pc. Did I miss anything? >> > > Below I don't even see virtio_mem. I had to repair the image (filesystem > fsck) because it was broken, can you try that as well? > > Also, it would be great if you could test with v4. > Correction, something seems to be broken either in QEMU or the kernel. Once I define a DIMM so it's added and online during boot, I get these issues: (I have virtio-mem v4 installed in the guest) #! /bin/bash sudo x86_64-softmmu/qemu-system-x86_64 \ -machine pc-i440fx-5.0,accel=kvm,usb=off \ -cpu host \ -no-reboot \ -nographic \ -device ide-hd,drive=hd \ -drive if=none,id=hd,file=/home/dhildenb/git/Fedora-Cloud-Base-31-1.9.x86_64.qcow2,format=qcow2 \ -m 1g,slots=10,maxmem=2G \ -smp 1 \ -object memory-backend-ram,id=mem0,size=256m \ -device pc-dimm,id=dimm0,memdev=mem0 \ -s \ -monitor unix:/var/tmp/monitor,server,nowait Without the DIMM it seems to work just fine. -- Thanks, David / dhildenb From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Hildenbrand Subject: Re: [PATCH v3 00/15] virtio-mem: paravirtualized memory Date: Thu, 14 May 2020 13:10:40 +0200 Message-ID: <3c82e149-6c42-690e-9d58-bb8e69870fe0@redhat.com> References: <20200507103119.11219-1-david@redhat.com> <7848642F-6AA7-4B5E-AE0E-DB0857C94A93@linux.alibaba.com> <31c5d2f9-c104-53e8-d9c8-cb45f7507c85@redhat.com> <389b6bdc-b196-e4b9-b6be-dcac57524fdf@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Return-path: Sender: List-Post: List-Help: List-Unsubscribe: List-Subscribe: In-Reply-To: <389b6bdc-b196-e4b9-b6be-dcac57524fdf@redhat.com> Content-Language: en-US To: teawater Cc: LKML , Linux MM , virtio-dev@lists.oasis-open.org, Linux Virtualization , kvm@vger.kernel.org, Michal Hocko , Andrew Morton , "Michael S . Tsirkin" , Sebastien Boeuf , Samuel Ortiz , Robert Bradford , Luiz Capitulino , Pankaj Gupta , Igor Mammedov , "Dr . David Alan Gilbert" , Alexander Duyck , Alexander Potapenko , Anshuman Khandual , Anthony Yznaga , Dan Williams , Dave Young Jason Wang List-Id: virtualization@lists.linuxfoundation.org On 14.05.20 12:12, David Hildenbrand wrote: > On 14.05.20 12:02, teawater wrote: >> >> >>> 2020年5月14日 16:48，David Hildenbrand 写道： >>> >>> On 14.05.20 08:44, teawater wrote: >>>> Hi David, >>>> >>>> I got a kernel warning with v2 and v3. >>> >>> Hi Hui, >>> >>> thanks for playing with the latest versions. Surprisingly, I can >>> reproduce even by hotplugging a DIMM instead as well - that's good, so >>> it's not related to virtio-mem, lol. Seems to be some QEMU setup issue >>> with older machine types. >>> >>> Can you switch to a newer qemu machine version, especially >>> pc-i440fx-5.0? Both, hotplugging DIMMs and virtio-mem works for me with >>> that QEMU machine just fine. >> >> I still could reproduce this issue with pc-i440fx-5.0 or pc. Did I miss anything? >> > > Below I don't even see virtio_mem. I had to repair the image (filesystem > fsck) because it was broken, can you try that as well? > > Also, it would be great if you could test with v4. > Correction, something seems to be broken either in QEMU or the kernel. Once I define a DIMM so it's added and online during boot, I get these issues: (I have virtio-mem v4 installed in the guest) #! /bin/bash sudo x86_64-softmmu/qemu-system-x86_64 \ -machine pc-i440fx-5.0,accel=kvm,usb=off \ -cpu host \ -no-reboot \ -nographic \ -device ide-hd,drive=hd \ -drive if=none,id=hd,file=/home/dhildenb/git/Fedora-Cloud-Base-31-1.9.x86_64.qcow2,format=qcow2 \ -m 1g,slots=10,maxmem=2G \ -smp 1 \ -object memory-backend-ram,id=mem0,size=256m \ -device pc-dimm,id=dimm0,memdev=mem0 \ -s \ -monitor unix:/var/tmp/monitor,server,nowait Without the DIMM it seems to work just fine. -- Thanks, David / dhildenb From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: virtio-dev-return-7340-cohuck=redhat.com@lists.oasis-open.org Sender: List-Post: List-Help: List-Unsubscribe: List-Subscribe: Received: from lists.oasis-open.org (oasis-open.org [10.110.1.242]) by lists.oasis-open.org (Postfix) with ESMTP id C41CB985F2D for ; Thu, 14 May 2020 11:11:10 +0000 (UTC) From: David Hildenbrand References: <20200507103119.11219-1-david@redhat.com> <7848642F-6AA7-4B5E-AE0E-DB0857C94A93@linux.alibaba.com> <31c5d2f9-c104-53e8-d9c8-cb45f7507c85@redhat.com> <389b6bdc-b196-e4b9-b6be-dcac57524fdf@redhat.com> Message-ID: <3c82e149-6c42-690e-9d58-bb8e69870fe0@redhat.com> Date: Thu, 14 May 2020 13:10:40 +0200 MIME-Version: 1.0 In-Reply-To: <389b6bdc-b196-e4b9-b6be-dcac57524fdf@redhat.com> Content-Language: en-US Subject: Re: [virtio-dev] [PATCH v3 00/15] virtio-mem: paravirtualized memory Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable To: teawater Cc: LKML , Linux MM , virtio-dev@lists.oasis-open.org, Linux Virtualization , kvm@vger.kernel.org, Michal Hocko , Andrew Morton , "Michael S . Tsirkin" , Sebastien Boeuf , Samuel Ortiz , Robert Bradford , Luiz Capitulino , Pankaj Gupta , Igor Mammedov , "Dr . David Alan Gilbert" , Alexander Duyck , Alexander Potapenko , Anshuman Khandual , Anthony Yznaga , Dan Williams , Dave Young , Jason Wang , Johannes Weiner , Juergen Gross , Konrad Rzeszutek Wilk , Len Brown , Mel Gorman , Michal Hocko , Mike Rapoport , Oscar Salvador , Oscar Salvador , Pavel Tatashin , Pavel Tatashin , Pingfan Liu , Qian Cai , "Rafael J. Wysocki" , "Rafael J. Wysocki" , Stefan Hajnoczi , Vlastimil Babka , Wei Yang List-ID: On 14.05.20 12:12, David Hildenbrand wrote: > On 14.05.20 12:02, teawater wrote: >> >> >>> 2020=E5=B9=B45=E6=9C=8814=E6=97=A5 16:48=EF=BC=8CDavid Hildenbrand =E5=86=99=E9=81=93=EF=BC=9A >>> >>> On 14.05.20 08:44, teawater wrote: >>>> Hi David, >>>> >>>> I got a kernel warning with v2 and v3. >>> >>> Hi Hui, >>> >>> thanks for playing with the latest versions. Surprisingly, I can >>> reproduce even by hotplugging a DIMM instead as well - that's good, so >>> it's not related to virtio-mem, lol. Seems to be some QEMU setup issue >>> with older machine types. >>> >>> Can you switch to a newer qemu machine version, especially >>> pc-i440fx-5.0? Both, hotplugging DIMMs and virtio-mem works for me with >>> that QEMU machine just fine. >> >> I still could reproduce this issue with pc-i440fx-5.0 or pc. Did I miss= anything? >> >=20 > Below I don't even see virtio_mem. I had to repair the image (filesystem > fsck) because it was broken, can you try that as well? >=20 > Also, it would be great if you could test with v4. >=20 Correction, something seems to be broken either in QEMU or the kernel. Once= I define a DIMM so it's added and online during boot, I get these issues: (I have virtio-mem v4 installed in the guest) #! /bin/bash sudo x86_64-softmmu/qemu-system-x86_64 \ -machine pc-i440fx-5.0,accel=3Dkvm,usb=3Doff \ -cpu host \ -no-reboot \ -nographic \ -device ide-hd,drive=3Dhd \ -drive if=3Dnone,id=3Dhd,file=3D/home/dhildenb/git/Fedora-Cloud-Base-31= -1.9.x86_64.qcow2,format=3Dqcow2 \ -m 1g,slots=3D10,maxmem=3D2G \ -smp 1 \ -object memory-backend-ram,id=3Dmem0,size=3D256m \ -device pc-dimm,id=3Ddimm0,memdev=3Dmem0 \ -s \ -monitor unix:/var/tmp/monitor,server,nowait Without the DIMM it seems to work just fine. --=20 Thanks, David / dhildenb --------------------------------------------------------------------- To unsubscribe, e-mail: virtio-dev-unsubscribe@lists.oasis-open.org For additional commands, e-mail: virtio-dev-help@lists.oasis-open.org