[Bug 97074] New: video problems with 4.6 kernel and Windows 10 virtual machine

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=97074

            Bug ID: 97074
           Summary: video problems with 4.6 kernel and Windows 10 virtual
                    machine
           Product: xorg
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/intel
          Assignee: chris at chris-wilson.co.uk
          Reporter: horsley1953 at gmail.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org

I submitted this Fedora bug a while back:

https://bugzilla.redhat.com/show_bug.cgi?id=1352325

The latest discoveries I have made tend to indicate it is a problem with the
intel video drivers when running under a 4.6 kernel. The strange behavior
disappeared when I plugged in an nvidia card and stopped using the onboard
intel video on my motherboard.

The most obvious problem happens with the cursor in a Windows 10 virtual
machine using QXL/Spice for the display. A video attached to the fedora
bugzilla above shows the horrible flickering plus the mouse images it leaves
behind when I move the mouse.

I also have an ancient Motif app displaying some xpm icons which start randomly
flickering on and off (they are not animated icons :-). There is an attached
video for that as well.

On the 4.5 kernel, none of these problems happen. On the 4.6 kernel they happen
all the time.

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