Still happens in 18.04. Switching to Xorg fixed it for me. $ sudo lshw roland-zenbook description: Convertible product: UX461UN vendor: ASUSTeK COMPUTER INC. version: 1.0 serial: J1N0CX17A84604B width: 64 bits capabilities: smbios-3.0 dmi-3.0 smp vsyscall32 configuration: boot=normal chassis=convertible family=UX uuid=4A314E30-4358-3137-4138-343630344241 *-core description: Motherboard product: UX461UN vendor: ASUSTeK COMPUTER INC. physical id: 0 version: 1.0 serial: QCCBKQ0JE80300258 slot: MIDDLE *-firmware description: BIOS vendor: American Megatrends Inc. physical id: 0 version: UX461UN.305 date: 12/04/2017 size: 64KiB capacity: 8128KiB capabilities: pci upgrade shadowing cdboot bootselect socketedrom edd int13floppy1200 int13floppy720 int13floppy2880 int5printscreen int9keyboard int14serial int17printer acpi usb smartbattery biosbootspecification uefi *-memory description: System Memory physical id: 8 slot: System board or motherboard size: 16GiB *-bank:0 description: Row of chips LPDDR3 Synchronous Unbuffered (Unregistered) 2133 MHz (0.5 ns) product: K4EBE304EB-EGCG vendor: Samsung physical id: 0 serial: 55000000 slot: ChannelA-DIMM0 size: 8GiB width: 64 bits clock: 2133MHz (0.5ns) *-bank:1 description: Row of chips LPDDR3 Synchronous Unbuffered (Unregistered) 2133 MHz (0.5 ns) product: K4EBE304EB-EGCG vendor: Samsung physical id: 1 serial: 55000000 slot: ChannelB-DIMM0 size: 8GiB width: 64 bits clock: 2133MHz (0.5ns) *-cache:0 description: L1 cache physical id: d slot: L1 Cache size: 256KiB capacity: 256KiB capabilities: synchronous internal write-back unified configuration: level=1 *-cache:1 description: L2 cache physical id: e slot: L2 Cache size: 1MiB capacity: 1MiB capabilities: synchronous internal write-back unified configuration: level=2 *-cache:2 description: L3 cache physical id: f slot: L3 Cache size: 8MiB capacity: 8MiB capabilities: synchronous internal write-back unified configuration: level=3 *-cpu description: CPU product: Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz vendor: Intel Corp. physical id: 10 bus info: cpu@0 version: Intel(R) Core(TM) i7-8550U CPU @ 1.80GHz serial: To Be Filled By O.E.M. slot: U3E1 size: 3544MHz capacity: 4005MHz width: 64 bits clock: 100MHz capabilities: x86-64 fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx pdpe1gb rdtscp constant_tsc art arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf tsc_known_freq pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 sdbg fma cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand lahf_lm abm 3dnowprefetch cpuid_fault epb invpcid_single pti tpr_shadow vnmi flexpriority ept vpid fsgsbase tsc_adjust bmi1 avx2 smep bmi2 erms invpcid mpx rdseed adx smap clflushopt intel_pt xsaveopt xsavec xgetbv1 xsaves dtherm ida arat pln pts hwp hwp_notify hwp_act_window hwp_epp cpufreq configuration: cores=4 enabledcores=4 threads=8 *-pci description: Host bridge product: Intel Corporation vendor: Intel Corporation physical id: 100 bus info: pci@0000:00:00.0 version: 08 width: 32 bits clock: 33MHz *-display description: VGA compatible controller product: Intel Corporation vendor: Intel Corporation physical id: 2 bus info: pci@0000:00:02.0 version: 07 width: 64 bits clock: 33MHz capabilities: pciexpress msi pm vga_controller bus_master cap_list rom configuration: driver=i915 latency=0 resources: irq:134 memory:ed000000-edffffff memory:c0000000-cfffffff ioport:f000(size=64) memory:c0000-dffff *-generic:0 description: Signal processing controller product: Skylake Processor Thermal Subsystem vendor: Intel Corporation physical id: 4 bus info: pci@0000:00:04.0 version: 08 width: 64 bits clock: 33MHz capabilities: msi pm cap_list configuration: driver=proc_thermal latency=0 resources: irq:16 memory:ef320000-ef327fff *-generic:1 description: Non-VGA unclassified device product: Intel Corporation vendor: Intel Corporation physical id: 13 bus info: pci@0000:00:13.0 version: 21 width: 64 bits clock: 33MHz capabilities: pm bus_master cap_list configuration: driver=intel_ish_ipc latency=0 resources: irq:20 memory:ef337000-ef337fff *-usb description: USB controller product: Sunrise Point-LP USB 3.0 xHCI Controller vendor: Intel Corporation physical id: 14 bus info: pci@0000:00:14.0 version: 21 width: 64 bits clock: 33MHz capabilities: pm msi xhci bus_master cap_list configuration: driver=xhci_hcd latency=0 resources: irq:126 memory:ef310000-ef31ffff *-usbhost:0 product: xHCI Host Controller vendor: Linux 4.15.18-041518-generic xhci-hcd physical id: 0 bus info: usb@1 logical name: usb1 version: 4.15 capabilities: usb-2.00 configuration: driver=hub slots=12 speed=480Mbit/s *-usb:0 description: Video product: USB2.0 HD UVC WebCam vendor: Azurewave physical id: 5 bus info: usb@1:5 version: 17.04 serial: 0x0001 capabilities: usb-2.00 configuration: driver=uvcvideo maxpower=500mA speed=480Mbit/s *-usb:1 description: Bluetooth wireless interface vendor: Intel Corp. physical id: 8 bus info: usb@1:8 version: 0.10 capabilities: bluetooth usb-2.00 configuration: driver=btusb maxpower=100mA speed=12Mbit/s *-usbhost:1 product: xHCI Host Controller vendor: Linux 4.15.18-041518-generic xhci-hcd physical id: 1 bus info: usb@2 logical name: usb2 version: 4.15 capabilities: usb-3.00 configuration: driver=hub slots=6 speed=5000Mbit/s *-generic:2 description: Signal processing controller product: Sunrise Point-LP Thermal subsystem vendor: Intel Corporation physical id: 14.2 bus info: pci@0000:00:14.2 version: 21 width: 64 bits clock: 33MHz capabilities: pm msi cap_list configuration: driver=intel_pch_thermal latency=0 resources: irq:18 memory:ef336000-ef336fff *-generic:3 description: Signal processing controller product: Sunrise Point-LP Serial IO I2C Controller #0 vendor: Intel Corporation physical id: 15 bus info: pci@0000:00:15.0 version: 21 width: 64 bits clock: 33MHz capabilities: pm bus_master cap_list configuration: driver=intel-lpss latency=0 resources: irq:16 memory:ef335000-ef335fff *-generic:4 description: Signal processing controller product: Sunrise Point-LP Serial IO I2C Controller #1 vendor: Intel Corporation physical id: 15.1 bus info: pci@0000:00:15.1 version: 21 width: 64 bits clock: 33MHz capabilities: pm bus_master cap_list configuration: driver=intel-lpss latency=0 resources: irq:17 memory:ef334000-ef334fff *-communication description: Communication controller product: Sunrise Point-LP CSME HECI #1 vendor: Intel Corporation physical id: 16 bus info: pci@0000:00:16.0 version: 21 width: 64 bits clock: 33MHz capabilities: pm msi bus_master cap_list configuration: driver=mei_me latency=0 resources: irq:138 memory:ef333000-ef333fff *-pci:0 description: PCI bridge product: Intel Corporation vendor: Intel Corporation physical id: 1c bus info: pci@0000:00:1c.0 version: f1 width: 32 bits clock: 33MHz capabilities: pci pciexpress msi pm normal_decode bus_master cap_list configuration: driver=pcieport resources: irq:122 ioport:e000(size=4096) memory:ee000000-ef0fffff ioport:d0000000(size=301989888) *-display description: 3D controller product: NVIDIA Corporation vendor: NVIDIA Corporation physical id: 0 bus info: pci@0000:01:00.0 version: a1 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list rom configuration: driver=nvidia latency=0 resources: irq:135 memory:ee000000-eeffffff memory:d0000000-dfffffff memory:e0000000-e1ffffff ioport:e000(size=128) memory:ef000000-ef07ffff *-pci:1 description: PCI bridge product: Sunrise Point-LP PCI Express Root Port #7 vendor: Intel Corporation physical id: 1c.6 bus info: pci@0000:00:1c.6 version: f1 width: 32 bits clock: 33MHz capabilities: pci pciexpress msi pm normal_decode bus_master cap_list configuration: driver=pcieport resources: irq:123 memory:ef200000-ef2fffff *-network description: Wireless interface product: Wireless 8265 / 8275 vendor: Intel Corporation physical id: 0 bus info: pci@0000:02:00.0 logical name: wlp2s0 version: 78 serial: e0:9d:31:f1:c0:f5 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless configuration: broadcast=yes driver=iwlwifi driverversion=4.15.18-041518-generic firmware=34.0.1 ip=192.168.111.56 latency=0 link=yes multicast=yes wireless=IEEE 802.11 resources: irq:142 memory:ef200000-ef201fff *-pci:2 description: PCI bridge product: Sunrise Point-LP PCI Express Root Port #9 vendor: Intel Corporation physical id: 1d bus info: pci@0000:00:1d.0 version: f1 width: 32 bits clock: 33MHz capabilities: pci pciexpress msi pm normal_decode bus_master cap_list configuration: driver=pcieport resources: irq:124 memory:ef100000-ef1fffff *-storage description: Non-Volatile memory controller product: Intel Corporation vendor: Intel Corporation physical id: 0 bus info: pci@0000:03:00.0 version: 03 width: 64 bits clock: 33MHz capabilities: storage pm pciexpress msix nvm_express bus_master cap_list configuration: driver=nvme latency=0 resources: irq:16 memory:ef100000-ef103fff *-generic:5 description: Signal processing controller product: Sunrise Point-LP Serial IO UART Controller #0 vendor: Intel Corporation physical id: 1e bus info: pci@0000:00:1e.0 version: 21 width: 64 bits clock: 33MHz capabilities: pm bus_master cap_list configuration: driver=intel-lpss latency=0 resources: irq:20 memory:ef332000-ef332fff *-generic:6 description: Signal processing controller product: Sunrise Point-LP Serial IO SPI Controller #0 vendor: Intel Corporation physical id: 1e.2 bus info: pci@0000:00:1e.2 version: 21 width: 64 bits clock: 33MHz capabilities: pm bus_master cap_list configuration: driver=intel-lpss latency=0 resources: irq:22 memory:ef331000-ef331fff *-isa description: ISA bridge product: Intel Corporation vendor: Intel Corporation physical id: 1f bus info: pci@0000:00:1f.0 version: 21 width: 32 bits clock: 33MHz capabilities: isa bus_master configuration: latency=0 *-memory description: Memory controller product: Sunrise Point-LP PMC vendor: Intel Corporation physical id: 1f.2 bus info: pci@0000:00:1f.2 version: 21 width: 32 bits clock: 33MHz (30.3ns) configuration: driver=intel_pmc_core latency=0 resources: irq:0 memory:ef32c000-ef32ffff *-multimedia description: Audio device product: Intel Corporation vendor: Intel Corporation physical id: 1f.3 bus info: pci@0000:00:1f.3 version: 21 width: 64 bits clock: 33MHz capabilities: pm msi bus_master cap_list configuration: driver=snd_hda_intel latency=32 resources: irq:139 memory:ef328000-ef32bfff memory:ef300000-ef30ffff *-serial UNCLAIMED description: SMBus product: Sunrise Point-LP SMBus vendor: Intel Corporation physical id: 1f.4 bus info: pci@0000:00:1f.4 version: 21 width: 64 bits clock: 33MHz configuration: latency=0 resources: memory:ef330000-ef3300ff ioport:f040(size=32) $ uname -a Linux roland-zenbook 4.15.18-041518-generic #201804190330 SMP Thu Apr 19 07:34:21 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux