Comment # 1 on bug 1094692 from Knut Trepte

60.0.1, seen on:
http://www.dell.com/de-de/work/shop/cty/pdp/spd/latitude-12-7280-laptop/s021l728012deatmbb

after interaction with some UI elements

hwinfo --gfxcard
16: PCI 02.0: 0300 VGA compatible controller (VGA)              
  [Created at pci.378]
  Unique ID: _Znp.X9XG4dK6Qx2
  SysFS ID: /devices/pci0000:00/0000:00:02.0
  SysFS BusID: 0000:00:02.0
  Hardware Class: graphics card
  Device Name: "Onboard IGD"
  Model: "Intel HD Graphics 520"
  Vendor: pci 0x8086 "Intel Corporation"
  Device: pci 0x1916 "HD Graphics 520"
  SubVendor: pci 0x1028 "Dell"
  SubDevice: pci 0x079f 
  Revision: 0x07
  Driver: "i915"
  Driver Modules: "i915"
  Memory Range: 0xeb000000-0xebffffff (rw,non-prefetchable)
  Memory Range: 0xa0000000-0xafffffff (ro,non-prefetchable)
  I/O Ports: 0xf000-0xf03f (rw)
  Memory Range: 0x000c0000-0x000dffff (rw,non-prefetchable,disabled)
  IRQ: 133 (5890 events)
  Module Alias: "pci:v00008086d00001916sv00001028sd0000079Fbc03sc00i00"
  Driver Info #0:
    Driver Status: i915 is active
    Driver Activation Cmd: "modprobe i915"
  Config Status: cfg=new, avail=yes, need=no, active=unknown

Primary display adapter: #16