Description of problem:

System experiences hangs/freezes every few minutes, apparently during lots of graphics output activity such as refreshing the screen during desktop changes, application switching, etc.

Version-Release number of selected component (if applicable):
xorg-x11-drv-intel-2.99.917-42.20180618.fc29.x86_64
kernel-5.1.12-200.fc29.x86_64

How reproducible:
always

Steps to Reproduce:
1. use the system normally, browse the web, etc.
2.
3.

Actual results:
System freezes.  Mouse cursor doesn't move.  Keyboard input is buffered until the system recovers from the freeze a few seconds later, then all the buffered keystrokes are input into the application.

Expected results:
No freezes.

Additional info:

Jun 25 20:48:42 a chromium-browser.desktop[1670]: [5959:5959:0625/204842.002546:ERROR:gl_surface_presentation_helper.cc(237)] GetVSyncParametersIfAvailable() failed!
Jun 25 20:48:45 a chromium-browser.desktop[1670]: [5959:5959:0625/204845.113375:ERROR:gl_surface_presentation_helper.cc(237)] GetVSyncParametersIfAvailable() failed!
Jun 25 20:48:45 a chromium-browser.desktop[1670]: [5959:5959:0625/204845.117495:ERROR:gl_surface_presentation_helper.cc(237)] GetVSyncParametersIfAvailable() failed!
Jun 25 20:49:34 a kernel: i915 0000:00:02.0: Resetting chip for hang on rcs0
Jun 25 20:49:35 a chromium-browser.desktop[1670]: [5959:5959:0625/204935.586899:ERROR:gl_surface_presentation_helper.cc(237)] GetVSyncParametersIfAvailable() failed!
Jun 25 20:49:44 a chromium-browser.desktop[1670]: [5959:5959:0625/204944.552791:ERROR:gl_surface_presentation_helper.cc(237)] GetVSyncParametersIfAvailable() failed!


00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09) (prog-if
 00 [VGA controller])
        Subsystem: ASUSTeK Computer Inc. Device 108d
        Flags: bus master, fast devsel, latency 0, IRQ 29
        Memory at f7800000 (64-bit, non-prefetchable) [size=4M]
        Memory at e0000000 (64-bit, prefetchable) [size=256M]
        I/O ports at f000 [size=64]
        [virtual] Expansion ROM at 000c0000 [disabled] [size=128K]
        Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit-
        Capabilities: [d0] Power Management version 2
        Capabilities: [a4] PCI Advanced Features
        Kernel driver in use: i915
        Kernel modules: i915

a                           
    description: Notebook
    product: X202E (ASUS-NotebookSKU)
    vendor: ASUSTeK COMPUTER INC.
    version: 1.0
    serial: 
    width: 64 bits
    capabilities: smbios-2.7 dmi-2.7 smp vsyscall32
    configuration: boot=normal chassis=notebook family=X sku=ASUS-NotebookSKU uuid=
  *-core
       description: Motherboard
       product: X202E
       vendor: ASUSTeK COMPUTER INC.
       physical id: 0
       version: 1.0
       serial: 
       slot: MIDDLE
     *-firmware
          description: BIOS
          vendor: American Megatrends Inc.
          physical id: 0
          version: X202E.204
          date: 09/19/2012
          size: 64KiB
          capacity: 6MiB
          capabilities: pci upgrade shadowing cdboot bootselect socketedrom edd int13floppy1200 int13floppy720 int13floppy2880 int5printscreen int9keyboard int14serial int17printer acpi usb smartbattery biosbootspecification uefi