The issue isn't obvious until it's been running for hours, and the problem persists even after the wallpaper is switched away from animated back to a single image. Responsiveness didn't go back to normal until after a reboot.
Hardware is as follows:
Code: Select all
rc
description: Notebook
product: Inspiron 5559 (06B2)
vendor: Dell Inc.
serial: H3TRN72
width: 64 bits
capabilities: smbios-2.8 dmi-2.8 vsyscall32
configuration: boot=normal chassis=docking family=Inspiron sku=06B2 uuid=44454C4C-3300-1054-8052-C8C04F4E3732
*-core
description: Motherboard
product: 052K07
vendor: Dell Inc.
physical id: 0
version: A00
serial: /H3TRN72/CN1296363N0479/
*-firmware
description: BIOS
vendor: Dell Inc.
physical id: 0
version: 1.2.9
date: 06/21/2017
size: 64KiB
capacity: 15MiB
capabilities: pci pnp upgrade shadowing cdboot bootselect edd int13floppy1200 int13floppy720 int13floppy2880 int5printscreen int9keyboard int14serial int17printer acpi usb smartbattery biosbootspecification netboot uefi
*-cache:0
description: L1 cache
physical id: 41
slot: L1 Cache
size: 64KiB
capacity: 64KiB
capabilities: synchronous internal write-back data
configuration: level=1
*-cache:1
description: L1 cache
physical id: 42
slot: L1 Cache
size: 64KiB
capacity: 64KiB
capabilities: synchronous internal write-back instruction
configuration: level=1
*-cache:2
description: L2 cache
physical id: 43
slot: L2 Cache
size: 512KiB
capacity: 512KiB
capabilities: synchronous internal write-back unified
configuration: level=2
*-cache:3
description: L3 cache
physical id: 44
slot: L3 Cache
size: 4MiB
capacity: 4MiB
capabilities: synchronous internal write-back unified
configuration: level=3
*-cpu
description: CPU
product: Intel(R) Core(TM) i7-6500U CPU @ 2.50GHz
vendor: Intel Corp.
physical id: 45
bus info: cpu@0
version: Intel(R) Core(TM) i7-6500U CPU @ 2.50GHz
serial: To Be Filled By O.E.M.
slot: U3E1
size: 2977MHz
capacity: 3100MHz
width: 64 bits
clock: 100MHz
capabilities: 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 x86-64 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 ibrs ibpb stibp 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=2 threads=4
*-memory
description: System Memory
physical id: 46
slot: System board or motherboard
size: 16GiB
*-bank:0
description: SODIMM DDR3 Synchronous 1600 MHz (0.6 ns)
product: HMT41GS6BFR8A-PB
vendor: SK Hynix
physical id: 0
serial: 12151215
slot: DIMM A
size: 8GiB
width: 64 bits
clock: 1600MHz (0.6ns)
*-bank:1
description: SODIMM DDR3 Synchronous 1600 MHz (0.6 ns)
product: HMT41GS6BFR8A-PB
vendor: SK Hynix
physical id: 1
serial: 12121212
slot: DIMM B
size: 8GiB
width: 64 bits
clock: 1600MHz (0.6ns)
*-pci
description: Host bridge
product: Sky Lake Host Bridge/DRAM Registers
vendor: Intel Corporation
physical id: 100
bus info: pci@0000:00:00.0
version: 08
width: 32 bits
clock: 33MHz
configuration: driver=skl_uncore
resources: irq:0
*-display
description: VGA compatible controller
product: Sky Lake Integrated Graphics
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:125 memory:d1000000-d1ffffff memory:b0000000-bfffffff ioport:f000(size=64) memory:c0000-dffff
*-usb
description: USB controller
product: Intel Corporation
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:122 memory:d2210000-d221ffff
*-generic:0
description: Signal processing controller
product: Intel Corporation
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:d2230000-d2230fff
*-generic:1
description: Signal processing controller
product: Intel Corporation
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:d222f000-d222ffff
*-generic:2
description: Signal processing controller
product: Intel Corporation
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:d222e000-d222efff
*-communication
description: Communication controller
product: Intel Corporation
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:128 memory:d222d000-d222dfff
*-storage
description: SATA controller
product: Intel Corporation
vendor: Intel Corporation
physical id: 17
bus info: pci@0000:00:17.0
version: 21
width: 32 bits
clock: 66MHz
capabilities: storage msi pm ahci_1.0 bus_master cap_list
configuration: driver=ahci latency=0
resources: irq:123 memory:d2228000-d2229fff memory:d222c000-d222c0ff ioport:f090(size=8) ioport:f080(size=4) ioport:f060(size=32) memory:d222b000-d222b7ff
*-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:16 ioport:e000(size=4096) memory:c0000000-d00fffff
*-display
description: Display controller
product: Sun XT [Radeon HD 8670A/8670M/8690M / R5 M330]
vendor: Advanced Micro Devices, Inc. [AMD/ATI]
physical id: 0
bus info: pci@0000:01:00.0
version: 81
width: 64 bits
clock: 33MHz
capabilities: pm pciexpress msi bus_master cap_list rom
configuration: driver=radeon latency=0
resources: irq:126 memory:c0000000-cfffffff memory:d0000000-d003ffff ioport:e000(size=256) memory:d0040000-d005ffff
*-pci:1
description: PCI bridge
product: Intel Corporation
vendor: Intel Corporation
physical id: 1c.4
bus info: pci@0000:00:1c.4
version: f1
width: 32 bits
clock: 33MHz
capabilities: pci pciexpress msi pm normal_decode bus_master cap_list
configuration: driver=pcieport
resources: irq:16 memory:d2100000-d21fffff
*-network
description: Wireless interface
product: Wireless 3160
vendor: Intel Corporation
physical id: 0
bus info: pci@0000:02:00.0
logical name: wlp2s0
version: 83
serial: 2c:6e:85:1a:8a:1a
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration: broadcast=yes driver=iwlwifi driverversion=4.15.0-32-generic firmware=17.948900127.0 latency=0 link=no multicast=yes wireless=IEEE 802.11
resources: irq:127 memory:d2100000-d2101fff
*-pci:2
description: PCI bridge
product: Intel Corporation
vendor: Intel Corporation
physical id: 1c.5
bus info: pci@0000:00:1c.5
version: f1
width: 32 bits
clock: 33MHz
capabilities: pci pciexpress msi pm normal_decode bus_master cap_list
configuration: driver=pcieport
resources: irq:17 ioport:d000(size=4096) memory:d2000000-d20fffff
*-network
description: Ethernet interface
product: RTL8101/2/6E PCI Express Fast/Gigabit Ethernet controller
vendor: Realtek Semiconductor Co., Ltd.
physical id: 0
bus info: pci@0000:03:00.0
logical name: enp3s0
version: 07
serial: 84:7b:eb:19:0e:b1
size: 100Mbit/s
capacity: 100Mbit/s
width: 64 bits
clock: 33MHz
capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full firmware=rtl8106e-1_0.0.1 06/29/12 ip=192.168.1.2 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s
resources: irq:17 ioport:d000(size=256) memory:d2004000-d2004fff memory:d2000000-d2003fff
*-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 UNCLAIMED
description: Memory controller
product: Intel Corporation
vendor: Intel Corporation
physical id: 1f.2
bus info: pci@0000:00:1f.2
version: 21
width: 32 bits
clock: 33MHz (30.3ns)
configuration: latency=0
resources: memory:d2224000-d2227fff
*-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:129 memory:d2220000-d2223fff memory:d2200000-d220ffff
*-serial UNCLAIMED
description: SMBus
product: Intel Corporation
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:d222a000-d222a0ff ioport:f040(size=32)
*-scsi:0
physical id: 1
logical name: scsi0
capabilities: emulated
*-disk
description: ATA Disk
product: Crucial_CT256MX1
physical id: 0.0.0
bus info: scsi@0:0.0.0
logical name: /dev/sda
version: MU01
serial: 14340D00CB8D
size: 238GiB (256GB)
capabilities: gpt-1.00 partitioned partitioned:gpt
configuration: ansiversion=5 guid=caaa0202-9c87-480b-a4b9-985819a9d193 logicalsectorsize=512 sectorsize=4096
*-volume:0 UNCLAIMED
description: Windows FAT volume
vendor: mkfs.fat
physical id: 1
bus info: scsi@0:0.0.0,1
version: FAT32
serial: cc30-2c7a
size: 510MiB
capacity: 511MiB
capabilities: boot fat initialized
configuration: FATs=2 filesystem=fat name=EFI System Partition
*-volume:1
description: EXT4 volume
vendor: Linux
physical id: 2
bus info: scsi@0:0.0.0,2
logical name: /dev/sda2
logical name: /
version: 1.0
serial: 1493e103-3301-4534-b2a0-ba592f8825b3
size: 237GiB
capacity: 237GiB
capabilities: journaled extended_attributes large_files huge_files dir_nlink recover extents ext4 ext2 initialized
configuration: created=2018-04-29 08:41:44 filesystem=ext4 lastmountpoint=/ modified=2018-08-20 22:12:52 mount.fstype=ext4 mount.options=rw,relatime,discard,errors=remount-ro,data=ordered mounted=2018-08-20 22:12:52 state=mounted
*-scsi:1
physical id: 2
logical name: scsi1
capabilities: emulated
*-disk
description: ATA Disk
product: ST1000LM024 HN-M
vendor: Seagate
physical id: 0.0.0
bus info: scsi@1:0.0.0
logical name: /dev/sdb
version: 0004
serial: S314J90H236411
size: 931GiB (1TB)
capabilities: partitioned partitioned:dos
configuration: ansiversion=5 logicalsectorsize=512 sectorsize=4096 signature=000242d7
*-volume:0
description: EXT4 volume
vendor: Linux
physical id: 1
bus info: scsi@1:0.0.0,1
logical name: /dev/sdb1
logical name: /mnt/DS
version: 1.0
serial: 1f4ecf47-efb0-431c-a3ce-152c9a548c42
size: 927GiB
capacity: 927GiB
capabilities: primary journaled extended_attributes large_files huge_files dir_nlink recover extents ext4 ext2 initialized
configuration: created=2017-01-20 22:22:12 filesystem=ext4 label=DS lastmountpoint=/mnt/DS modified=2018-08-20 22:12:53 mount.fstype=ext4 mount.options=rw,relatime,data=ordered mounted=2018-08-20 22:12:53 state=mounted
*-volume:1
description: Linux swap volume
physical id: 2
bus info: scsi@1:0.0.0,2
logical name: /dev/sdb2
version: 1
serial: 64e6b476-163d-4b7c-a0e8-712932fbe945
size: 4094MiB
capacity: 4094MiB
capabilities: primary nofs swap initialized
configuration: filesystem=swap pagesize=4096
*-battery
product: DELL 78V9D62
vendor: Panasonic
physical id: 1
version: 02/24/2016
serial: 0892
slot: Sys. Battery Bay
capacity: 37290mWh
configuration: voltage=14.8V
[1]
https://store.kde.org/p/1242589/