Re: [Xen-devel] VGA passthrough is not working

[Maxim Gordeev <m.gordeev@xxxxxxxxxxxxx>]

Sorry, Xen don`t map memory BAR1 when I use "qemu-dm" or
"qemu-xen-traditional"...
10.06.2014 10:56, Maxim Gordeev ÐÐÑÐÑ:
> Hi!
>
> Thanks for your answer!
>
> I tried starting my VM with device_model_version = "qemu-xen.
> VM is working, but I don`t see NVIDIA in list pci devices...
>
> This is output message of command "xl create:"
>> Hi!
>>
>> Thanks for your answer!
>>
>> I tried starting my VM with device_model_version = "qemu-xen.
>> VM is working, but I don`t see NVIDIA in list pci devices...
>>
>> This is output message of command xl create:
> dmesg:
>> [81234.316270] xen_pciback: vpci: 0000:03:00.0: assign to virtual slot 0
> It is All.
>
> Maybe I will try use this parameter in Xen 4.3?
>
> 09.06.2014 16:48, Gordan Bobic ÐÐÑÐÑ:
>> Yes, I think so. I have a sneaky suspicion that qemu cannot handle
>> BARs over a certain size. Have you tried with
>> device_model_version = "qemu-xen"
>> instead of qemu-xen-traditional ?
>>
>> On 06/09/2014 01:42 PM, Maxim Gordeev wrote:
>>> Do you understand me? :)
>>>
>>> I can give you logs!
>>> 09.06.2014 16:40, Maxim Gordeev ÐÐÑÐÑ:
>>>> no, no.
>>>> With 4.3 is bad work! With 4.4 is do not starting.
>>>> I see into lspci: BAR1 is not possible assignment. With 4.3 can not
>>>> maping BAR1.
>>>> Thanks!
>>>>
>>>> 09.06.2014 16:29, Gordan Bobic ÐÐÑÐÑ:
>>>>> On 06/09/2014 01:21 PM, Maxim Gordeev wrote:
>>>>>> 16Gb this is BAR1.
>>>>>> This is example my VM config:
>>>>>>> /builder='hvm'//
>>>>>>> //memory = 16000//
>>>>>>> //name = "xen-hvm-cheap1"//
>>>>>>> //vcpus=8//
>>>>>>> //acpi=0//
>>>>>>> //disk = [ //
>>>>>>> //// 'file:/opt/VM/cheap1_glinux-1.img,hda,w',//
>>>>>>> // 'file:/opt/VM/cheap1_glinux-2.img,hdb,w'//
>>>>>>> // ]//
>>>>>>> // xen_platform_pci = 1//
>>>>>>> //on_poweroff = 'destroy'//
>>>>>>> //on_reboot = 'restart'//
>>>>>>> //on_crash = 'restart'//
>>>>>>> //device_model_version = 'qemu-xen-traditional'//
>>>>>>> //boot="c"//
>>>>>>> //vnc=1//
>>>>>>> //vnclisten="0.0.0.0"//
>>>>>>> //vncdisplay=1//
>>>>>>> //vncunused=1//
>>>>>>> //vncpasswd=''//
>>>>>>> //stdvga=0//
>>>>>>> //serial='pty'//
>>>>>>> //monitor=1//
>>>>>>> //gfx_passthru=0//
>>>>>>> //pci=['03:00.0' ] /
>>>>>> Xen 4.3 start this VM, but Xen 4.4 is not starting VM.
>>>>> So you are saying that this works fine with 4.3 but breaks with 4.4?
>>>>>
>>>>> Gordan
>>>>>
>>>>> _______________________________________________
>>>>> Xen-devel mailing list
>>>>> Xen-devel@xxxxxxxxxxxxx
>>>>> http://lists.xen.org/xen-devel
>>
>> _______________________________________________
>> Xen-devel mailing list
>> Xen-devel@xxxxxxxxxxxxx
>> http://lists.xen.org/xen-devel


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