[Bug 94879] New: mouse cursor disappears after screen locking (Haswell-ULT Integrated Graphics Controller)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=94879

            Bug ID: 94879
           Summary: mouse cursor disappears after screen locking
                    (Haswell-ULT Integrated Graphics Controller)
           Product: xorg
           Version: git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/intel
          Assignee: chris at chris-wilson.co.uk
          Reporter: hanno at hboeck.de
        QA Contact: intel-gfx-bugs at lists.freedesktop.org

On my system the mouse cursor disappears if I lock the screen and unlock it
again. The GPU, according to lspci, is:
00:02.0 VGA compatible controller: Intel Corporation Haswell-ULT Integrated
Graphics Controller (rev 0b)

This is a Gentoo system, that currently uses a snapshot of the xf86-video-intel
driver (from 20160407). This bug also appears with the latest git code from
today. It does not appear if I downgrade to 2.99.917.

I tried to git-bisect the commit that introduced this bug, but it was
impossible, because most of the time the driver simply wouldn't compile.

The screen locker I'm using is light-locker, started by a combination of lxde
and lightdm. The way it works is - as far as I know - that the screen gets
locked on console 7, a new X instance gets started on console 8 and that shows
the passwort prompt. So I assume this happens somehow related to the switching
between different X instances. Interestingly the mouse cursor is still there on
the password prompt.

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