[Bug 110591] New: Upgrading to 4.20.13 breaks modeset for xorg on intel

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=110591

            Bug ID: 110591
           Summary: Upgrading to 4.20.13 breaks modeset for xorg on intel
           Product: DRI
           Version: XOrg git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: andreesteve at gmail.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 144132
  --> https://bugs.freedesktop.org/attachment.cgi?id=144132&action=edit
lsmod

xorg crashes when running kernel 4.20.13 and later versions (tested all the way
to 5.0.10). Downgrading to 4.20.12 worked.

xorg fails with:

    modeset(0): failed to set mode: Invalid argument

Attached dmesg (drm.debug=14) and xorg logs for 4.20.12 (working), 4.20.13
(first version I noticed the issue) and 5.0.10 (latest version I have on hand,
also broken).

Added output for lsmod, lshw

Original bug files here: https://bugzilla.kernel.org/show_bug.cgi?id=203021

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