VisionFive 2 - vkcube not running

VisionFive 2 （English Forum)
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1

I’m using the latest official Debian Wayland image with kernel 6.6.20.

vkcube fails because it can’t find the VK_KHR_swapchain_extension :

Selected GPU 0: PowerVR B-Series BXE-4-32, type: IntegratedGpu
vkEnumerateDeviceExtensionProperties failed to find the VK_KHR_swapchain extension.

Do you have a compatible Vulkan installable client driver (ICD) installed?
Please look at the Getting Started guide for additional information.

Here is the beginning of the vulkaninfo output:

==========
VULKANINFO
==========

Vulkan Instance Version: 1.0.231


Instance Extensions: count = 7
==============================
        VK_EXT_debug_report                    : extension revision 10
        VK_EXT_debug_utils                     : extension revision 2
        VK_KHR_device_group_creation           : extension revision 1
        VK_KHR_external_fence_capabilities     : extension revision 1
        VK_KHR_external_memory_capabilities    : extension revision 1
        VK_KHR_external_semaphore_capabilities : extension revision 1
        VK_KHR_get_physical_device_properties2 : extension revision 2

Layers:
=======
Device Groups:
==============
Group 0:
        Properties:
                physicalDevices: count = 1
                        PowerVR B-Series BXE-4-32 (ID: 0)
                subsetAllocation = 0

        Present Capabilities = Group does not support VK_KHR_device_group, skipping printing present capabilities


Device Properties and Extensions:
=================================
GPU0:
VkPhysicalDeviceProperties:
---------------------------
        apiVersion        = 4206817 (1.3.225)
        driverVersion     = 6345021 (0x60d13d)
        vendorID          = 0x1010
        deviceID          = 0x36054182
        deviceType        = PHYSICAL_DEVICE_TYPE_INTEGRATED_GPU
        deviceName        = PowerVR B-Series BXE-4-32
        pipelineCacheUUID = 3dd16000-2432-0036-00b6-00b601b66400

I have tried installing all the extra packages from the setup guide, as well as a fresh install with no changes/tweaks. The same thing happens in either case.

Firefox registers the GPU with GLES, and OpenCL also seems to be working as expected.

Any ideas?

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