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Nvidia Vulkan driver bug fixed with mutex for queuesubmit

A mutex has been added to prevent simultaneous queue submissions on the same VkDevice in Vulkan.

13 Sept 20261 verified claims1 sources1 observations
What happened

The official source reports this update: b10938: vulkan: workaround NV queuesubmit driver bug. vulkan: workaround NV queuesubmit driver bug ( #28830 ) There is a driver bug where two queues on the same VkDevice simultaneously submitting can break some internal synchronization. Until it's fixed, add a mutex around queuesubmit.

Why it matters

This official update documents a development concerning b10938: vulkan: workaround NV queuesubmit driver bug. Its practical significance depends on the scope and evidence stated by the source.

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Read the official source update and verify its stated scope, evidence and timing before acting on it.

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