[Bug 105251] [Vega10] GPU lockup on boot: VMC page fault

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=105251

--- Comment #61 from Benjamin Hodgetts <ben at xnode.org> ---
Created attachment 142797
  --> https://bugs.freedesktop.org/attachment.cgi?id=142797&action=edit
New Error Since 4.19.X

Ok, so some time between my last report and now (started happening since
4.19.something, I don't know which version specifically) this problem has
changed in how it manifests itself. Previously you'd get the "[gfxhub] VMC page
fault" messages. Now it manifests itself in considerably more serious looking
errors (with none of the "VMC page faults" in sight). Log file attached.

Once something triggers this, the card will become basically unresponsive and
anything that tries to use it will start throwing more of the errors seen in
the attached log.

It's not random though. For example I can run Unigine valley/superposition or
Elder Scrolls Online (via Wine+DXVK) for as long as I like, stress-testing or
benchmarking and it'll be fine. But as soon a I try one of the problem
programs, it'll basically "break" the graphics card until I hard reset.

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