Microsoft Windows Virtual Desktop (WVD) bug with Multisession Windows 10 version 2004

I have today found out a major bug in Microsoft Windows Virtual Desktop (WVD) with OS Windows 10 Multisession version 2004. After helping a client with expanding some FSlogix storage, I saw there was some important patches for OS (CU) and some security patches, its always recommended to apply these patches, as you will gain performance and stability and improve security.

But after applying these CU, I ran into a very strange problem that when you login to the Multisession host from any WVD client, the Windows screen flicker and keep updating in the GUI and you couldn’t do anything not click anything inside the desktop. After some research on the web, I saw other people facing the same issue with as I saw. The interesting part was that Pieter Wigleven from Microsoft, confirm this bug and that the Microsoft Search team will solve this part in future builds of Windows.

UPDATE 22TH SEPTEMBER 2020
FROM PIETER WIGLEVEN, MICROSOFT

This specific issue only impacts Windows 10 Enterprise/multi-session version 2004 and the fix is currently scheduled for release in the third week of October 2020. 

In that third week of October - if you manually click the “Check for Updates” button you will get it. 

If you won't check manually, you’ll receive this bugfix in November's Patch Tuesday (second week of the month).

 

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NVIDIA vGPU Software v 10.0

Hi All

Its time to plan updating your NVIDIA TESLA M6, M10, M60, P4, P6, P40, P100, V100, T4, RTX6000, RTX8000 with NVIDIA vGPU software 10.0. NVIDIA have released new drivers for vGPU 10.0.

I have in this article also included which Public Cloud instance is available with NVIDIA GPUs and which license is BYO or provided by the public cloud provider such as Alibaba, Azure, AWS, GCP, Alibaba.

For a list of validated server platforms, refer to NVIDIA vGPU Certified Servers.

Important:

  • Citrix XenServer 7.0, 7.1 is not supported with NVIDIA Tesla T4
  • NVIDIA vGPU 10.0 is supported with VMware Horizon 7.11, 7.10, 7.9, 7.8, 7.7, 7.6, 7.5, 7.4, 7.3, 7.2, 7.1, 7.0, 6.2
  • NVIDIA vGPU 10.0 is only supported with Citrix Virtual Apps & Desktops 7.15, 7 1808, 7 1903, 7 1906, 7 1909, 7 1912 in HDX 3D Pro mode
  • If you are a customer using XenServer 7.2, 7.3, 7.4, 7.5 its no longer supported with NVIDIA vGPU 10.0 and should plan upgrading to Citrix Hypervisor 8.1

This release includes the following software:

  • NVIDIA vGPU Manager version 440.43 for the Citrix Hypervisor, VMware vSphere, RHEL KVM, Nutanix AHV
  • NVIDIA Windows driver version 441.66
  • NVIDIA Linux driver version 440.43

New Features in Release 10.0

  • Support for NVIDIA® GRID™ Virtual PC and GRID Virtual Applications on Quadro RTX 6000 and Quadro RTX 8000 GPUs
  • Increase in the maximum number of virtual display heads supported by -1Q, -2B, and -1B4 vGPUs:
    • All -1Q vGPUs now support 4 heads instead of 2 heads.
    • All -2B vGPUs now support 4 heads instead of 2 heads.
    • All -1B4 vGPUs now support 4 heads instead of 1 head.
  • Flexible virtual display resolutions

    Instead of a fixed maximum resolution per head, vGPUs now support a maximum combined resolution based on their frame buffer size. This behavior allows the same number of lower resolution displays to be used as before, but alternatively allows a smaller number of higher resolution displays to be used.

  • Virtual display resolutions greater than 4096×2160
  • 10-bit color
  • Changes to allow cross-branch driver support in future main release branches
    Note: This feature cannot be used until the next NVIDIA vGPU software main release branch is available.

    The purpose of this change is to allow a release of the Virtual GPU Manager from a later main release branch to be used with the NVIDIA vGPU software graphics drivers for the guest VMs from the previous branch.

  • Miscellaneous bug fixes

Hardware and Software Support Introduced in Release 10.0

  • Support for passively cooled Quadro RTX 6000 and Quadro RTX 8000 GPUs
  • Support for Tesla V100S PCIe 32GB GPUs
  • Support for Red Hat Enterprise Linux 8.1 as a guest OS
  • Support for Red Hat Enterprise Linux 8.0 and CentOS 8.0 as a guest OS
  • Support for Windows 10 November 2019 Update (1909) as a guest OS
  • Support for Citrix Virtual Apps and Desktops version 7 1912
  • Support for Citrix Hypervisor 8.1
  • Support for VMware Horizon 7.11

Features Deprecated in Release 10.0

The following table lists features that are deprecated in this release of NVIDIA vGPU software. Although the features remain available in this release, they might be withdrawn in a future release. In preparation for the possible removal of these features, use the preferred alternative listed in the table.

Deprecated Feature Preferred Alternative
-1B4 vGPU types -1B vGPU types
-2B4 vGPU types -2B vGPU types

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NVIDIA vGPU Software v 9.1

Hi All

Its time to plan updating your NVIDIA TESLA M6, M10, M60, P4, P6, P40, P100, V100, T4, RTX6000, RTX8000 with NVIDIA vGPU software 9.1.

NVIDIA have released new drivers for vGPU 9.1. This new-feature branch is supported until June 2020.

I have in this article also included which Public Cloud instance is available with NVIDIA GPUs and which license is BYO or provided by the public cloud provider such as Alibaba, Azure, AWS, GCP, Alibaba.

For a list of validated server platforms, refer to NVIDIA vGPU Certified Servers.

Important:

  • Citrix XenServer 7.0, 7.1 is not supported with NVIDIA Tesla T4
  • NVIDIA vGPU 9.0 is supported with VMware Horizon 7.9 7.8, 7.7, 7.6, 7.5, 7.4, 7.3, 7.2, 7.1, 7.0, 6.2
  • NVIDIA vGPU 9.0 is only supported with Citrix Virtual Apps & Desktops 7.15, 7.18, 7 1903, 7 1906 in HDX 3D Pro mode
  • If you are a customer using XenServer 7.2, 7.3, 7.4, 7.5 its no longer supported with NVIDIA vGPU 9.1 and should plan upgrading to XenServer 7.6 or Citrix Hypervisor 8.0

This release includes the following software:

  • NVIDIA vGPU Manager version 430.46 for the Citrix Hypervisor, VMware vSphere, RHEL KVM, Nutanix AHV
  • NVIDIA Windows driver version 431.79
  • NVIDIA Linux driver version 430.46

New Features in Release 9.1

  • Starting with release 6.7 U3, the assignment of multiple vGPUs to a single VM is supported.
  • Support for NVIDIA vComputeServer vGPUs on the following GPUs:
    • Quadro RTX 6000
    • Quadro RTX 8000
  • Security updates
  • Miscellaneous bug fixes

Hardware and Software Support Introduced in Release 9.1

  • Support for Citrix Virtual Apps and Desktops version 7 1906

Following bugfixes are solved in vGPU 9.1

Bug ID Summary and Description
200526633

9.0 only: VM crashes after the volatile ECC error count is reset

After the command nvidia-smi -p 0 is run from a guest VM to reset the volatile ECC error count, the VM crashes.

200525006

9.0 only: Incorrect ECC error counts are reported for vGPUs on some GPUs

Incorrect ECC error counts are reported for vGPUs on some GPUs when the command nvidia-smi -q is run from a guest VM.

200524555

9.0 only: On Linux VMs, the license directory is not deleted when the guest driver is uninstalled

On Linux guest VMs, the license directory /etc/nvidia/license is not deleted when the NVIDIA vGPU softwaregraphics driver is uninstalled.

200524348

9.0 only: nvidia-smi shows the incorrect ECC state for a vGPU

nvidia-smi vgpu -q shows the incorrect ECC state of a vGPU when ECC is enabled on the physical GPU but disabled on the vGPU from the vGPU VM. This issue occurs because data for the physical GPU host is not being reset and is being reused even after reboot.

200522255

9.0 only: No vComputeServer option available in NVIDIA X Server Settings

The vComputeServer option is missing from the Manage License section in the NVIDIA X Server Settings window.

200434909

9.0 only: Users’ view sessions may become corrupted after migration

When a VM configured with vGPU under heavy load is migrated to another host, users’ view sessions may become corrupted after the migration.

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NVIDIA vGPU Software v 9.0

Hi All

Its time to plan updating your NVIDIA TESLA M6, M10, M60, P4, P6, P40, P100, V100, T4, RTX6000, RTX8000 with NVIDIA vGPU software 9.0

NVIDIA have released new drivers for NVIDIA vGPU 9.0 for June 2019 This new-feature branch is supported until June 2020.

I have in this article also included which Public Cloud instance is available with NVIDIA GPUs and which license is BYO or provided by the public cloud provider such as Alibaba, Azure, AWS, GCP. One of the news is that Alibaba is supporting vGPU in their offerings which is pretty awesome.

For a list of validated server platforms, refer to NVIDIA vGPU Certified Servers.

Important:

  • Citrix XenServer 7.0, 7.1 is not supported with NVIDIA Tesla T4
  • NVIDIA vGPU 9.0 is supported with VMware Horizon 7.9 7.8, 7.7, 7.6, 7.5, 7.4, 7.3, 7.2, 7.1, 7.0, 6.2
  • NVIDIA vGPU 9.0 is only supported with Citrix Virtual Apps & Desktops 7.15, 7.18, 7 1903, 7 1906 in HDX 3D Pro mode
  • If you are a customer using XenServer 7.2, 7.3, 7.4, 7.5 its no longer supported with NVIDIA vGPU 9.0 and should plan upgrading to XenServer 7.6 or Citrix Hypervisor 8.0

This release includes the following software:

  • NVIDIA vGPU Manager version 430.27 for the Citrix Hypervisor, VMware vSphere, RHEL KVM, Nutanix AHV
  • NVIDIA Windows driver version 431.02
  • NVIDIA Linux driver version 430.30

New in this Release:

  • New Features in Release 9.0

    • NVIDIA vComputeServer vGPUs for artificial intelligence, deep learning, and high-performance computing workloads
    • Error correcting code (ECC) memory support
    • Page retirement support
    • Peer-to-peer CUDA transfers over NVLinksupport
    • Configurable times slices for equal share schedulers and fixed share schedulers
    • New configuration parameter to specify host ID of a licensed client

    Hardware and Software Support Introduced in Release 9.0

    • Support for Windows 10 May 2019 Update (1903) as a guest OS
    • Support for Ubuntu 18.04 LTS as a guest OS on Citrix Hypervisor 7.1 cumulative update 2
    • Support for the Tesla T4 GPU on Nutanix AHV
    • Support for VMware Horizon 7.9

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HPE Power’s the intelligent Edge at Citrix Synergy

 

At Citrix Synergy May 2019, HPE will show how dedicated graphics are delivered real-time by their HPE Edgeline solutions

HPE have following solutions:

Trader Workstation -HPE Moonshot & CITRIX are bringing Mobility and Security to Traders & Developers in Financial Services without compromising on End User Experience. 

Engineering Workstation – HPE Edgeline & CITRIX Cloud are bringing secure collaboration between engineering teams by enhancing systems and application performance and enable IOT & Industry 4.0 transition.

Bare metal VDI- Extending our success in POWER USERS to knowledge workers so that VDI does not need to be the lowest common denominator in terms of end user experience. 

I have helped HPE design & build the Engineering Workstation. Last year at HPE Discover in Europe, November 2018, the solution of the Engineering Workstation powered by Citrix Cloud solution was announced how customers can now use dedicated graphics with either Intel or adding AMD WX4100 GPU or now here in May 2019 add a NVIDIA P1000 GPU. The solutions are incredible how you can get raw dedicated and garanteed performance without any performance overhead of a hypervisor or an operating system that see’s a virtual system. Bare metal is same UX as a workstation, basically HPE is taking the physically workstation at the desk to the edge and making it intelligent with a high user density. HPE is the only vendor who can deliver 4 bare metal VDIs in 1U, which makes them a market leader for Baremetal VDI use cases at the Edge. Customers can as well use Citrix Virtual Apps (RDSH) and increase density, which is popular in the financial industry.

Follow on social media how HPE and Citrix is taking innovation at the edge. #HPECitrix #CitrixSynergy

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