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Re: [Qemu-devel] [libvirt]virtio serial device problem
From: |
Alexey Kardashevskiy |
Subject: |
Re: [Qemu-devel] [libvirt]virtio serial device problem |
Date: |
Thu, 09 May 2013 10:43:29 +1000 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130402 Thunderbird/17.0.5 |
Hi!
On 05/09/2013 01:53 AM, address@hidden 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
No, this patch helps, thanks!
>
> 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: address@hidden
notes: Alexey Kardashevskiy/Australia/IBM
- [Qemu-devel] [libvirt]virtio serial device problem, Li Zhang, 2013/05/07
- Re: [Qemu-devel] [libvirt]virtio serial device problem, Paolo Bonzini, 2013/05/07
- Re: [Qemu-devel] [libvirt]virtio serial device problem, Li Zhang, 2013/05/07
- Re: [Qemu-devel] [libvirt]virtio serial device problem, Alexey Kardashevskiy, 2013/05/07
- Re: [Qemu-devel] [libvirt]virtio serial device problem, Li Zhang, 2013/05/07
- Re: [Qemu-devel] [libvirt]virtio serial device problem, fred . konrad, 2013/05/08
- Re: [Qemu-devel] [libvirt]virtio serial device problem,
Alexey Kardashevskiy <=
- Re: [Qemu-devel] [libvirt]virtio serial device problem, Li Zhang, 2013/05/09
- Re: [Qemu-devel] [libvirt]virtio serial device problem, Alexey Kardashevskiy, 2013/05/09
- Re: [Qemu-devel] [libvirt]virtio serial device problem, Li Zhang, 2013/05/09