[Bug 300031] bhyve iGPU passthrough on Alder Lake-N: display engine faults on 10-bit/tiled GUI planes, i915 never gets vblank interrupts

In reply to: bugzilla-noreply_a_freebsd.org: "[Bug 300031] bhyve iGPU passthrough on Alder Lake-N: display engine faults on 10-bit/tiled GUI planes, i915 never gets vblank interrupts"
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From: <bugzilla-noreply_at_freebsd.org>
Date: Sun, 25 Oct 2026 10:15:14 UTC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=300031

--- Comment #2 from wanpengqian@gmail.com ---
Created attachment 276440
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=276440&action=edit
pmap: vm.pmap.ept_guest_pat test knob (flip_done timeouts)

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