Public bug reported:
After installing Ubuntu 18.10 and the Nvidia driver + Vulkan-Utils,
switching to NVIDIA and then running vulkaninfo or vulkan-cube works
perfectly.
But when you reboot and update, then switch to Intel, then back to Nvidia, all
Vulkan programs give an
"Assertion `!err' failed."
Vulkaninfo:
=======
Presentable Surfaces:
=====================
GPU id : 0 (GeForce GTX 960M)
Surface type : VK_KHR_xcb_surface
vulkaninfo:
/build/vulkan-tools-ZnxIl9/vulkan-tools-1.1.82.0+dfsg1/vulkaninfo/vulkaninfo.c:1253:
AppDumpSurfaceFormats: Assertion `!err' failed.
Annullato (core dump creato)
Vulkancube:
vulkan-cube:
/build/vulkan-tools-ZnxIl9/vulkan-tools-1.1.82.0+dfsg1/cube/cube.c:3416:
demo_init_vk_swapchain: Assertion `!err' failed.
Annullato (core dump creato)
I still have not found a workaround for that, the only way to get it working
again is to reinstall everything.
- Install Ubuntu 18.10
- Install proprietary 390 NVIDIA drivers
- Switch NVIDIA-Prime to NVIDIA
- Testing the vulkan capabilities works
- Updating the system then switching to intel
- Reboot
- Switch to nvida
- Now all Vulkan programs when using NVIDIA give that error
** Affects: nvidia-drivers-ubuntu
Importance: Undecided
Status: New
** Affects: nvidia-prime (Ubuntu)
Importance: Undecided
Status: New
** Also affects: nvidia-drivers-ubuntu
Importance: Undecided
Status: New
** No longer affects: xserver-xorg-video-intel (Ubuntu)
** Also affects: nvidia-prime (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1800465
Title:
Vulkan error when using NVIDIA-Prime
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