Freezes and applications stop working

System:    Host: domino-t490 Kernel: 5.3.12-1-MANJARO x86_64 bits: 64 compiler: gcc v: 9.2.0 Desktop: i3 4.17.1 
           Distro: Manjaro Linux 
Machine:   Type: Laptop System: LENOVO product: 20N3001EMC v: ThinkPad T490 serial: <filter> 
           Mobo: LENOVO model: 20N3001EMC v: SDK0J40697 WIN serial: <filter> UEFI: LENOVO v: N2IET73W (1.51 ) date: 07/18/2019 
Battery:   ID-1: BAT0 charge: 51.1 Wh condition: 51.5/50.5 Wh (102%) model: LGC 02DL007 status: Unknown 
CPU:       Topology: Quad Core model: Intel Core i5-8265U bits: 64 type: MT MCP arch: Kaby Lake rev: C L2 cache: 6144 KiB 
           flags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx bogomips: 28808 
           Speed: 800 MHz min/max: 400/3900 MHz Core speeds (MHz): 1: 800 2: 800 3: 800 4: 800 5: 800 6: 800 7: 800 8: 800 
Graphics:  Device-1: Intel UHD Graphics 620 vendor: Lenovo driver: i915 v: kernel bus ID: 00:02.0 
           Display: x11 server: X.Org 1.20.5 driver: intel unloaded: modesetting resolution: 1920x1080~60Hz 
           OpenGL: renderer: Mesa DRI Intel UHD Graphics (Whiskey Lake 3x8 GT2) v: 4.5 Mesa 19.2.6 direct render: Yes 
Audio:     Device-1: Intel Cannon Point-LP High Definition Audio vendor: Lenovo driver: snd_hda_intel v: kernel 
           bus ID: 00:1f.3 
           Sound Server: ALSA v: k5.3.12-1-MANJARO 
Network:   Device-1: Intel Cannon Point-LP CNVi [Wireless-AC] driver: iwlwifi v: kernel port: 3000 bus ID: 00:14.3 
           IF: wlp0s20f3 state: up mac: <filter> 
           Device-2: Intel Ethernet I219-V vendor: Lenovo driver: e1000e v: 3.2.6-k port: efa0 bus ID: 00:1f.6 
           IF: enp0s31f6 state: down mac: <filter> 
           IF-ID-1: ppp12 state: unknown speed: N/A duplex: N/A mac: N/A 
           IF-ID-2: tun0 state: unknown speed: 10 Mbps duplex: full mac: N/A 
           IF-ID-3: tun2 state: unknown speed: 10 Mbps duplex: full mac: N/A 
           IF-ID-4: tun_echo state: unknown speed: 10 Mbps duplex: full mac: N/A 
           IF-ID-5: wwp0s20f0u7 state: down mac: <filter> 
Drives:    Local Storage: total: 476.94 GiB used: 35.65 GiB (7.5%) 
           ID-1: /dev/nvme0n1 vendor: Samsung model: MZVLB512HBJQ-000L7 size: 476.94 GiB 
Partition: ID-1: / size: 468.16 GiB used: 35.65 GiB (7.6%) fs: ext4 dev: /dev/dm-0 
Sensors:   System Temperatures: cpu: 53.0 C mobo: N/A 
           Fan Speeds (RPM): cpu: 3519 
Info:      Processes: 266 Uptime: 7h 37m Memory: 15.37 GiB used: 3.86 GiB (25.1%) Init: systemd Compilers: gcc: 9.2.0 
           Shell: zsh v: 5.7.1 inxi: 3.0.36 
nvme0n1                                       259:0    0   477G  0 disk  
├─nvme0n1p1                                   259:1    0   300M  0 part  /boot/efi
└─nvme0n1p2                                   259:2    0 476.7G  0 part  
  └─luks-cff89c3e-89ca-4493-9b6f-fa2142e4045e 254:0    0 476.7G  0 crypt /

AND Using


randomly OS freeze for few seconds (2-4s), sound during freeze plays, but mouse and keyboard don't work, what system logs I can check please? It starts one week after clean installation.

Second problem I have from clean installation and reinstall didn't help.
I'm using Manjaro I3 environment and some applications disappear from workspace, but process running and it need to kill. Workspace looks empty, but if I switch to another workspace, workspace didn't disappear. Empty workspace disappear after kill application.

Problem applications:
Atom editor
Microsoft teams

Other applications work propertly.

Than you for advice and I'm sorry for my english.

This sounds like something is doing system level work at those times.
Check your enabled timers and your journal for those instances you had the freezing(s).

Check systemd timers for info

systemctl status *.timer

For journal, it depends on what you are looking for. Check usage

man journalctl

Check ram and swap usage.

Install alternate kernels.

Intel iGPU gen8, yepp, 5 second random freeze. Yepp, sounds like this:

If sudo dmesg shows something like this:

i915 0000:00:02.0: GPU HANG: ecode 9:0:0x00000000, hang on rcs0

Try the 4.19 or 5.4 kernel...


Thank you guys for help, Kernel 4.19 si better.

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