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baddea

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    Ryzen performance

    in VM Engine (KVM)

    Posted

    when we can see fix for The NPT (nested page tables) ? 

     

    On ٢٦‏/٧‏/٢٠١٧ at 9:36 PM, Beancounter said:

    I ran a amd 270 before upgrading to a rx580 last week.  I ran a b350 MB /w 32GB of ram and a stock 1700.  I had no issues with sounds popping or videos.

     

    I did have a software issue with netflix green screening but no other issues.

     

     

     

    The gaming issue is a bug in KVM.  This isn't a AMD issue or a Unraid issue.  I actually bought a new video card so I could play some games with my kids in the home theater where the server is located... boy was I pissed when I installed the card only to see almost no increase in FPS.  games that should run 60+ FPS on my amd 270 are running at 10-25FPS on my rx580.

     

    The issue is related to NPT (nested page tables)  on AMD systems and has been a bug with KVM for 5+ years.  The only work around at this point is to disable NPT.  I haven't noticed any increase in FPS by disabling NPT but I also can't say for sure if I'm disabling NPT successfully.

     

     

    Anybody planning a Ryzen build?

    in Motherboards and CPUs

    Posted

    DID  that mean good result or need to waiting to move from intel to Ryzen motherboard ?

    i need  more cache to be king lol :)  for workstation request and NAS .

    is there any update or stable version from unraid will be releasing yet for fix issues like limited ram or cpu. ?

    On ٥‏/١٠‏/١٤٣٨ هـ at 11:27 PM, Stef-dk said:

    I have find a problem. if i run my ram to high (3200) i get a low score in Cinebench on my vm. i can see the cpu is going in a safe mode and down clock to 2,2 ghz. but my vm says 3,8 ghz.

    after i put the ram til 2999 MHz i have no problem,

     

    Score in CB bare metal 1654.

    Score in VM 1633.

    Score with the high ram MHz bare metal 1712.

    Score with the high ram MHz  VM 954.

     

    So if you have a low score in VM try to look at the clock on the ram and cpu.

     

     

    important :is nvidia dedicated can work with another pci ?

    in General Support

    Posted

    what that mean  if i have second gpu assign to vm2  8) working and primary gpu for my laptop not assign to vm1  :'(

     

    i have ASUS G75JT  Laptop

     

    primary gpu: NVIDIA GTX 970M not working with vm1 -> blackscreen

    SECOND GPU: NVIDIA GTX 980 working with vm 2 booting to windows 10

     

    why that happen is that related to dedicated GPU for Nvidia ????

    please i need some suggestions and help ..

     

     

     

     

     

    unraid with 1 dedicated gpu laptop

    in General Support

    Posted

    Hello  :)

     

    i take 2 days testing unraid 6 version it is very good many features .

     

    i try to install unraid 6  in my laptop ASUS G751JT

    https://www.asus.com/uk/ROG-Republic-Of-Gamers/ROG-G751JT/specifications/

     

    MY configuration as  following bellow :

    samsung 840 ssd 120 gb cache

    hdd 1 tb sata 3 internal  disk

    i have one vga monitor (option)

    note: i don't have optimus technology only dedicated gpu of course

     

    i know that if i have dedicated gpu mean i need another gpu pci to be assign to make it booting because i don't have onboard video also i getting black screen  .

    if i have onboard video like nvidia optimus technology we can than assign the gpu nvidia to vm and keep intel gpu running without need second gpu pci and swap them between host and vm .

     

    my result of testing using my primary gpu only  ::

    i try to display the vm throuh laptop ... failed using one gpu nvidia gtx 970m

    i try to connect it to external monitor vga connector .... failed

    i try to change graphics card nvidia to vnc ... it work success with - qemu - install windows 10 but vey slow -useless

     

    i have 3 solution to fix my problem:

     

    connect laptop to 1- external monitor with hdmi

                                2-to external monitor -vga through adapter using mini display  to thunderbolt port

                                3- the ultimate solution :

    is to getting external gpu that connected to thunderbolt to be assign than to vm and see what happen .

    so that mean no luck to using external gpu in the primary screen for laptop because it need to be display in external monitor .

     

    i thing that finally solution will also cost me more money

    -power supply $$

    -adapter / enclouser $

    -cables $

    -new gpu  $$$

     

    i understand that for laptops with nvidia optimus technology make more help than laptops that include dedicated gpu only .

    no more cost for unraid technology.

     

     

     

     

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