[Bug 100932] [regression] GPU hangs in Sacha Willems' Multithreading Vulkan demo

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=100932

--- Comment #3 from Jason Ekstrand <jason at jlekstrand.net> ---
Ok, I managed to track down what I think the problem is.  When a BO has the
EXEC_OBJECT_ASYNC flag set, the kernel is not properly flushing write-combine
mappings.  I'm not sure if this is a kernel bug or if that behavior is
intended.

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