[Bug 107759] [CI][DRMTIP] igt at prime_mmap_coherency@ioctl-errors - fail - Failed assertion: !(ptr2_cpu[i] != 0x11111111)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=107759

--- Comment #2 from Chris Wilson <chris at chris-wilson.co.uk> ---
I wrote it off as being another GTT coherency issue; but no what it actually is
comparing is the results of a gpu copy into a prime mmap. So this is much more
likely to be a bcs full-ppgtt issue.

Best, hopeful, guess: https://patchwork.freedesktop.org/series/48813/

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