I don't know if it is somehow related to the latest kernel upgrades, but all of a sudden my 18.3 Cinnamon desktop has become quite slow and jerky, with the mouse moving in a really unpleasant way. Is anybody experiencing anything similar? At first I thought that it was Firefox' fault (it took ten minutes to write a mail in Gmail this morning...), but now I'm not so sure because the problem persists even after closing Firefox.
The weird thing is that if I launch the system monitor nothing is going beyond 15-20% of CPU use, in spite of that the mouse moves jerkily and characters are inserted two-three seconds after I type them in (if I go too fast they're not inserted at all).
Here's the output of inxi -Fxz, thanks for any tip!
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System: Host: Wodan Kernel: 4.15.0-58-generic x86_64 (64 bit gcc: 5.4.0) Desktop: Cinnamon 3.6.7 (Gtk 3.18.9-1ubuntu3.3) Distro: Linux Mint 18.3 Sylvia Machine: Mobo: ASUSTeK model: H110M-C v: Rev X.0x Bios: American Megatrends v: 0508 date: 10/19/2015 CPU: Quad core Intel Core i5-6500 (-MCP-) cache: 6144 KB flags: (lm nx sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx) bmips: 25536 clock speeds: max: 3600 MHz 1: 800 MHz 2: 800 MHz 3: 800 MHz 4: 800 MHz Graphics: Card: NVIDIA GK107 [GeForce GT 740] bus-ID: 01:00.0 Display Server: X.Org 1.18.4 drivers: nvidia (unloaded: fbdev,vesa,nouveau) Resolution: firstname.lastname@example.org, email@example.com GLX Renderer: GeForce GT 740/PCIe/SSE2 GLX Version: 4.5.0 NVIDIA 384.130 Direct Rendering: Yes Audio: Card-1 NVIDIA GK107 HDMI Audio Controller driver: snd_hda_intel bus-ID: 01:00.1 Card-2 Intel 100 Series/C230 Series Family HD Audio Controller driver: snd_hda_intel bus-ID: 00:1f.3 Sound: Advanced Linux Sound Architecture v: k4.15.0-58-generic Network: Card: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller driver: r8169 v: 2.3LK-NAPI port: d000 bus-ID: 05:00.0 IF: enp5s0 state: up speed: 1000 Mbps duplex: full mac: <filter> Drives: HDD Total Size: 2240.5GB (74.9% used) ID-1: /dev/sda model: WDC_WD20EFRX size: 2000.4GB ID-2: /dev/sdb model: KINGSTON_SV300S3 size: 240.1GB Partition: ID-1: / size: 22G used: 18G (84%) fs: ext4 dev: /dev/sdb2 ID-2: /home size: 40G used: 33G (88%) fs: ext4 dev: /dev/sda8 ID-3: swap-1 size: 4.86GB used: 0.00GB (0%) fs: swap dev: /dev/sda12 RAID: No RAID devices: /proc/mdstat, md_mod kernel module present Sensors: System Temperatures: cpu: 29.8C mobo: 27.8C gpu: 0.0:44C Fan Speeds (in rpm): cpu: 0 Info: Processes: 262 Uptime: 6:07 Memory: 7108.3/15963.4MB Init: systemd runlevel: 5 Gcc sys: 5.4.0 Client: Shell (bash 4.3.481) inxi: 2.2.35