Re: [libvirt] [Qemu-devel] virtio serial device problem

On 2013年05月08日 23:53, fred.konrad(a)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?

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 = <null> >>>> 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(a)au1.ibm.com >> notes: Alexey Kardashevskiy/Australia/IBM >> >> >>