From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:58150) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UaKOK-0000Er-LY for qemu-devel@nongnu.org; Thu, 09 May 2013 02:32:11 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1UaKNy-0004xM-MB for qemu-devel@nongnu.org; Thu, 09 May 2013 02:31:48 -0400 Received: from e23smtp01.au.ibm.com ([202.81.31.143]:41653) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1UaKNx-0004wo-EQ for qemu-devel@nongnu.org; Thu, 09 May 2013 02:31:26 -0400 Received: from /spool/local by e23smtp01.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Thu, 9 May 2013 16:23:43 +1000 Received: from d23relay04.au.ibm.com (d23relay04.au.ibm.com [9.190.234.120]) by d23dlp03.au.ibm.com (Postfix) with ESMTP id 6236A3578017 for ; Thu, 9 May 2013 16:31:19 +1000 (EST) Received: from d23av04.au.ibm.com (d23av04.au.ibm.com [9.190.235.139]) by d23relay04.au.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id r496HQkZ21364932 for ; Thu, 9 May 2013 16:17:26 +1000 Received: from d23av04.au.ibm.com (loopback [127.0.0.1]) by d23av04.au.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id r496VHSq027072 for ; Thu, 9 May 2013 16:31:18 +1000 Message-ID: <518B42B5.3010604@au1.ibm.com> Date: Thu, 09 May 2013 16:31:17 +1000 From: Alexey Kardashevskiy MIME-Version: 1.0 References: <5188AB30.1020307@gmail.com> <5188CE5F.2060703@redhat.com> <5188FC03.6040204@au1.ibm.com> <518B3D30.8020303@gmail.com> In-Reply-To: <518B3D30.8020303@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Subject: Re: [Qemu-devel] [libvirt]virtio serial device problem List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Li Zhang Cc: "libvir-list@redhat.com" , "qemu-devel@nongnu.org" , David Gibson , Paolo Bonzini , Pradipta Kumar Banerjee , fred.konrad@greensocs.com On 05/09/2013 04:07 PM, Li Zhang wrote: > On 2013年05月08日 23:53, fred.konrad@greensocs.com wrote: >>> On 05/07/2013 07:50 PM, Paolo Bonzini wrote: >>>> Il 07/05/2013 09:20, Li Zhang ha scritto: >>>>> Hi all, >> Hi, >>>>> When we use the latest version of QEMU to build ovirt, >>>>> we get this error reported from libvirt. >>>> What QEMU commit is this? >>> >>> b3e6d591b05538056d665572f3e3bbfb3cbb70e7 >> This commit is from 05/29 no? >> >> there were issues with that. But it should be fixed. >> >> Do you still have the command-line issue with the last git? >> >> See commit 80270a19685dd20eda017b0360c743b3e3ed6f57 > > Hi Fred, > > This patch is to change bus which can be compatible with old version, right? > But I saw the current name is still different from old version. > > The current name is: "virtio-serial-bus0.0" > The old version is: "virtio-serial0.0" > > Is it possible to change it back to the old name? This is what the most recent qemu produces: bus: pci type PCI dev: virtio-serial-pci, id "virtio-serial0" ioeventfd = on vectors = 2 class = 0x780 indirect_desc = on event_idx = on max_ports = 31 addr = 03.0 romfile = rombar = 1 multifunction = off command_serr_enable = on class Class 0780, addr 00:03.0, pci id 1af4:1003 (sub 1af4:0003) bar 0: i/o at 0xffffffffffffffff [0x1e] bar 1: mem at 0xffffffffffffffff [0xffe] bus: virtio-bus type virtio-pci-bus dev: virtio-serial-device, id "" max_ports = 31 bus: virtio-serial0.0 type virtio-serial-bus dev: virtserialport, id "channel0" chardev = charchannel0 nr = 1 name = "com.redhat.rhevm.vdsm" port 1, guest off, host off, throttle off The device layout is new, the bus name is old - "virtio-serial0.0", everything should be ok now. > Thanks. :) > --Li >> >> Thanks, >> Fred >> >>> >>>> It might have been fixed already. >>> Hm. From what I see, it is all correct from the qemu side, the problem is >>> in libvirt which does not know about "virtio-pci-bus" yet. >>> >>> >>> >>>> Paolo >>>> >>>>> qemu-system-ppc64: -device >>>>> virtserialport,bus=virtio-serial0.0,nr=1,chardev=charchannel0,id=channel0,name=com.redhat.rhevm.vdsm: >>>>> >>>>> >>>>> Bus 'virtio-serial0.0' is full >>>>> qemu-system-ppc64: -device >>>>> virtserialport,bus=virtio-serial0.0,nr=1,chardev=charchannel0,id=channel0,name=com.redhat.rhevm.vdsm: >>>>> >>>>> >>>>> Bus 'virtio-serial0.0' not found >>>>> >>>>> Libvirt helps create QEMU command line and put virtserialport device to >>>>> bus virtio-serial0.0. >>>>> For latest version of QEMU, the bus type is changed. >>>>> >>>>> (qemu) info qtree >>>>> bus: main-system-bus >>>>> type System >>>>> dev: spapr-pci-host-bridge, id "" >>>>> index = 0 >>>>> buid = 0x800000020000000 >>>>> liobn = 0x80000000 >>>>> mem_win_addr = 0x100a0000000 >>>>> mem_win_size = 0x20000000 >>>>> io_win_addr = 0x10080000000 >>>>> io_win_size = 0x10000 >>>>> msi_win_addr = 0x10090000000 >>>>> irq 0 >>>>> bus: pci >>>>> type PCI >>>>> dev: virtio-serial-pci, id "virtio-serial0" >>>>> ioeventfd = on >>>>> vectors = 2 >>>>> class = 0x780 >>>>> indirect_desc = on >>>>> event_idx = on >>>>> max_ports = 31 >>>>> addr = 03.0 >>>>> romfile = >>>>> rombar = 1 >>>>> multifunction = off >>>>> command_serr_enable = on >>>>> class Class 0780, addr 00:03.0, pci id 1af4:1003 (sub >>>>> 1af4:0003) >>>>> bar 0: i/o at 0xffffffffffffffff [0x1e] >>>>> bar 1: mem at 0xffffffffffffffff [0xffe] >>>>> bus: virtio-serial0.0 >>>>> type virtio-pci-bus >>>>> dev: virtio-serial-device, id "" >>>>> max_ports = 31 >>>>> bus: virtio-serial-bus.0 >>>>> type virtio-serial-bus >>>>> dev: virtserialport, id "channel1" >>>>> chardev = charchannel1 >>>>> nr = 2 >>>>> name = "org.qemu.guest_agent.0" >>>>> port 2, guest off, host off, throttle off >>>>> dev: virtserialport, id "channel0" >>>>> chardev = charchannel0 >>>>> nr = 1 >>>>> name = "com.redhat.rhevm.vdsm" >>>>> port 1, guest off, host off, throttle off >>>>> >>>>> >>>>> But we tried to replace virtio-serial0.0 with virtio-serial-bus.0, >>>>> SLOF crashes. It still doesn't work at all. >>>>> >>>>> Does anyone know how to use virtserialport in QEMU command line? >>>>> If configuration is changed in QEMU, libvirt also needs to change it >>>>> accordingly. >>>>> >>>>> Thanks. :) >>>>> --Li >>>>> >>>>> >>>>> >>> >>> -- >>> Alexey Kardashevskiy >>> IBM OzLabs, LTC Team >>> >>> e-mail: aik@au1.ibm.com >>> notes: Alexey Kardashevskiy/Australia/IBM >>> >>> >>> -- Alexey Kardashevskiy IBM OzLabs, LTC Team e-mail: aik@au1.ibm.com notes: Alexey Kardashevskiy/Australia/IBM