[Bug 107573] [GM45] black screen when laptop lid reopened: primary A assertion failure (expected on, current off)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=107573

Adric Blake <promarbler14 at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEEDINFO                    |NEW

--- Comment #2 from Adric Blake <promarbler14 at gmail.com> ---
I tested the drm-tip kernel on Aug 15, but I could not replicate the bug at
hand.I bisected to what appeareds to be a merge into the 4.18(rc) drm-tip tree.
Any commit during bisection that was based on a 4.17 kernel did not show the
bug, though I can't determine whether the bug originated before (or because of)
the 4.18 merge. Or perhaps Git is confusing me, which is also a possibility.
But as an example, commit 05c72e77 ("drm/i915: Nuke the LVDS lid notifier") did
not show the bug, even though it seems to be some ancestor of the buggy commit.

>From what I can make out...
old buggy commit 294f96ae8aa5: Merge tag 'drm-misc-next-2018-07-18' of
git://anongit.freedesktop.org/drm/drm-misc into drm-next
bisected-to working commit ef8e0ff97ae8: Merge tag 'drm-intel-next-2018-07-19'
of git://anongit.freedesktop.org/drm/drm-intel into drm-next

That's the smallest change that I can confirm contains a fix and can determine
at this point in time. I don't know when the bug got introduced.

No logs since the bug didn't appear, though I made them just in case.

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