Re: [Qemu-devel] [Spice-devel] Vioserial of Windows guest OS on Qemu 0.15

[Dominique Rodrigues <dominique.rodrigues@nanocloud.com>]

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I currently use qemu-1.0 and I confirm that this version works fine with 
SPICE.

Regards,


        Dominique Rodrigues

nanoClouD <http://www.nanocloud.com>
8, rue Lemercier
75017 Paris
France
standard : +33 1 77 69 64 38
529 002 743 R.C.S. Paris

Le 16/01/2012 10:32, Charles.Tsai-蔡清海-研究發展部 a écrit :
> Stefan,
>
> We need  the spice support in Qemu. Does qemu-kvm 1.0 support for spice?
>
> -----Original Message-----
> From: Stefan Hajnoczi [mailto:stefanha@gmail.com]
> Sent: Monday, January 16, 2012 4:37 PM
> To: Charles.Tsai-蔡清海-研究發展部
> Cc: Vadim Rozenfeld; Alon Levy; spice-devel@lists.freedesktop.org; Alex Huang-黃必賢-研究發展部; qemu-devel
> Subject: Re: [Spice-devel] Vioserial of Windows guest OS on Qemu 0.15
>
> On Mon, Jan 16, 2012 at 10:02:22AM +0800, Charles.Tsai-蔡清海-研究發展部 wrote:
>> Vadim,
>>
>> Thank you for your prompt reply. Here are the information for our test case.
>>
>>
>> 1) we use the following command line to launch the guest OS
>>
>>
>> /usr/bin/kvm -S -M pc-0.14 -enable-kvm -m 1024 -smp
>> 1,sockets=1,cores=1,threads=1 -name win_xp -uuid
>> d9388815-ddd3-c38e-33c2-a9d5fcc7a775 -nodefconfig -nodefaults -chardev
>> socket,id=charmonitor,path=/var/lib/libvirt/qemu/win_xp.monitor,server
>> ,nowait -mon chardev=charmonitor,id=monitor,mode=readline
>> -rtc base=localtime
>> -device
>> virtio-serial-pci,id=virtio-serial0,bus=pci.0,multifunction=on,addr=0x
>> 5.0x0 -drive
>> file=/media/Images/Windows-XP.img,if=none,id=drive-ide0-0-0,format=raw
>> -device
>> ide-drive,bus=ide.0,unit=0,drive=drive-ide0-0-0,id=ide0-0-0,bootindex=
>> 1
>> -netdev tap,fd=17,id=hostnet0
>> -device
>> rtl8139,netdev=hostnet0,id=net0,mac=52:54:00:e8:dc:b1,bus=pci.0,multif
>> unction=on,addr=0x3.0x0
>> -chardev pty,id=charserial0
>> -device isa-serial,chardev=charserial0,id=serial0
>> -chardev spicevmc,id=charchannel0,name=vdagent
>> -device
>> virtserialport,bus=virtio-serial0.0,nr=1,chardev=charchannel0,id=chann
>> el0,name=com.redhat.spice.0
> I tried the virtio-serial pieces with qemu.git and a RHEL6 guest.  The guest was able to see the "com.redhat.spice.0" port.  This suggests the problem was either fixed since QEMU 0.15 or that it only affects the Windows virtio drivers.
>
>> -usb -device usb-tablet,id=input0
>> -spice port=5900,addr=0.0.0.0,disable-ticketing
>> -vga qxl -global qxl-vga.vram_size=67108864 -device
>> virtio-balloon-pci,id=balloon0,bus=pci.0,multifunction=on,addr=0x4.0x0
>>
>>
>>
>> 2). In Guest Windows XP OS
>>
>>
>> When the following callback function of the vioserial device  is called in guest OS. The allocated resources is empty.
>>
>>
>> VIOSerialEvtDevicePrepareHardware() ---This function is to get the I/O address of the vioserial device and map the physical address to the logical address space.
>>
>> I added the following trace and the value of nListSize is ZERO.
>> TraceEvents(TRACE_LEVEL_INFORMATION, DBG_PNP, "%s (nListSize=%d)\n",
>> __FUNCTION__,nListSize);
>>
>>
>> So far, we have tested Qemu 0.14 without any problem but Qemu 0.15 seemed to be broken in vioserial device.
>> Let me know if you need further information. Thanks.
> I suggest trying qemu-kvm 1.0 or qemu-kvm.git because the issue may have been fixed since 0.15.
>
> If the issue is still present, you could use git-bisect(1) to find the commit that caused behavior to change between 0.14 and 0.15.
>
> Stefan
> _______________________________________________
> Spice-devel mailing list
> Spice-devel@lists.freedesktop.org
> http://lists.freedesktop.org/mailman/listinfo/spice-devel

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