https://bugs.freedesktop.org/show_bug.cgi?id=79980
--- Comment #9 from Andy Furniss adf.lists@gmail.com --- (In reply to comment #8)
(In reply to comment #7)
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Does it still happen if you drop the PTE patches?
Is that stop poisoning the GART TLB?
Ok ignore that :-) I didn't spot the rs600
It applies to all asics from rs600 forward.
Ahh, in the meantime I've now built with
optimize SI VM handling + use lower_32_bits where appropriate reverted - the latter just so I could revert the former.
I'll see if I am stable over the next couple of days like this.
I am stable so far with the above reverted.