From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:58371) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dfOcI-0003kY-M5 for qemu-devel@nongnu.org; Wed, 09 Aug 2017 06:53:35 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dfOcF-0007BB-AM for qemu-devel@nongnu.org; Wed, 09 Aug 2017 06:53:34 -0400 Received: from mx1.redhat.com ([209.132.183.28]:44426) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dfOcF-00078b-4H for qemu-devel@nongnu.org; Wed, 09 Aug 2017 06:53:31 -0400 References: <767EFADFF809234DB6CAABD6D2F93847C5D31539@IRSMSX107.ger.corp.intel.com> <3319b641-b7f3-0ee8-e5ed-9c378e723eb4@redhat.com> <14b1b111-d2d6-6954-2d12-8e0ac791ae44@redhat.com> <97068eca-2788-8396-0f8d-1990c651bdfc@redhat.com> <20170723200440.GA3718@morn.lan> <767EFADFF809234DB6CAABD6D2F93847C5D3A5BC@IRSMSX107.ger.corp.intel.com> <8377f92c-9b65-0da4-2a5c-86c1e5d49448@redhat.com> <767EFADFF809234DB6CAABD6D2F93847C5D4D52D@IRSMSX107.ger.corp.intel.com> From: Marcel Apfelbaum Message-ID: <28b850bd-1bac-efc9-3afd-2bf8b80be34c@redhat.com> Date: Wed, 9 Aug 2017 13:53:16 +0300 MIME-Version: 1.0 In-Reply-To: <767EFADFF809234DB6CAABD6D2F93847C5D4D52D@IRSMSX107.ger.corp.intel.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] >256 Virtio-net-pci hotplug Devices List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: "Kinsella, Ray" , Kevin O'Connor Cc: "Tan, Jianfeng" , "seabios@seabios.org" , Michael Tsirkin , "qemu-devel@nongnu.org" , Gerd Hoffmann On 07/08/2017 22:00, Kinsella, Ray wrote: > Hi Marcel, > Hi Ray, Please have a look on this thread, I think Laszlo and Paolo found the root cause. https://lists.gnu.org/archive/html/qemu-devel/2017-08/msg01368.html It seems hot-plugging the devices would not help. Thanks, MArcel > Yup - I am using Seabios by default. > I took all the measures from the Kernel time reported in syslog. > As Seabios wasn't exhibiting any obvious scaling problem. > > Ray K > > -----Original Message----- > From: Marcel Apfelbaum [mailto:marcel@redhat.com] > Sent: Wednesday, August 2, 2017 5:43 AM > To: Kinsella, Ray ; Kevin O'Connor > Cc: Tan, Jianfeng ; seabios@seabios.org; Michael Tsirkin ; qemu-devel@nongnu.org; Gerd Hoffmann > Subject: Re: [Qemu-devel] >256 Virtio-net-pci hotplug Devices > > It is an issue worth looking into it, one more question, all the measurements are from OS boot? Do you use SeaBIOS? > No problems with the firmware? > > Thanks, > Marcel > >