Re: [libvirt] virtio serial device problem

On 05/07/2013 07:50 PM, Paolo Bonzini wrote: > Il 07/05/2013 09:20, Li Zhang ha scritto: >> Hi all, >> >> When we use the latest version of QEMU to build ovirt, >> we get this error reported from libvirt. > What QEMU commit is this? b3e6d591b05538056d665572f3e3bbfb3cbb70e7

> 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 >> >> >>