[Bug 108456] userptr deadlock in Vulkan CTS: mmu_notifier vs workers vs struct_mutex

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=108456

--- Comment #19 from Mark Janes <mark.a.janes at intel.com> ---
(In reply to Francesco Balestrieri from comment #18)
> There is a proposed fix (still under debate) here: 
> 
> https://patchwork.freedesktop.org/series/52209/ 
>  
> Meanwhile, this patch that was merged a few weeks ago should have provided a
> workaround: 
> 
> https://patchwork.freedesktop.org/patch/258901/ 
> 
> Did it help?

Mesa i965 CI tests with upstream kernels, to ensure stability for the
developers testing Mesa patches.

I built a kernel with these patches, and deployed it on a subset of systems in
Mesa CI.  Due to the intermittent nature of the bug, it will be days before we
have the data to say it helped.

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