KDE sddm login screen hangs if left unattended for a few minutes


#1

My upto date (stable branch) KDE sddm login screen hangs if left unattended for a few minutes.
Only way out is pressing the laptop power button which shutsdown the laptop. Then again boot the laptop.

[gmat@dell ~]$ inxi -Fx
System:    Host: dell Kernel: 4.14.54-1-MANJARO x86_64 bits: 64 compiler: gcc v: 8.1.1 
           Desktop: KDE Plasma 5.13.2 tk: Qt 5.11.1 Distro: Manjaro Linux 17.1.11 Hakoila 
Machine:   Type: Portable System: Dell product: Inspiron 5521 v: A14 serial: <root required> 
           Mobo: Dell model: 05X7WX v: A00 serial: <root required> UEFI: Dell v: A14 date: 07/31/2015 
Battery:   ID-1: BAT1 charge: 33.4 Wh condition: 33.4/66.6 Wh (50%) model: LGC DELL 0MF6937D status: Full 
CPU:       Topology: Dual Core model: Intel Core i7-3537U bits: 64 type: MT MCP arch: Ivy Bridge rev: 9 
           L2 cache: 4096 KiB 
           flags: lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx bogomips: 19960 
           Speed: 798 MHz min/max: 800/3100 MHz Core speeds (MHz): 1: 798 2: 797 3: 798 4: 799 
Graphics:  Card-1: Intel 3rd Gen Core processor Graphics driver: i915 v: kernel bus ID: 00:02.0 
           Card-2: Advanced Micro Devices [AMD/ATI] Mars [Radeon HD 8730M] driver: radeon v: kernel 
           bus ID: 01:00.0 
           Display: x11 server: X.Org 1.19.6 driver: ati,intel,radeon unloaded: fbdev,modesetting,vesa 
           resolution: 1366x768~60Hz 
           OpenGL: renderer: Mesa DRI Intel Ivybridge Mobile v: 4.2 Mesa 18.1.3 direct render: Yes 
Audio:     Card-1: Intel 7 Series/C216 Family High Definition Audio driver: snd_hda_intel v: kernel 
           bus ID: 00:1b.0 
           Sound Server: ALSA v: k4.14.54-1-MANJARO 
Network:   Card-1: Realtek RTL810xE PCI Express Fast Ethernet driver: r8169 v: 2.3LK-NAPI port: 2000 
           bus ID: 07:00.0 
           IF: enp7s0 state: down mac: 74:86:7a:21:0f:f8 
           Card-2: Intel Centrino Wireless-N 2230 driver: iwlwifi v: kernel bus ID: 08:00.0 
           IF: wlp8s0 state: up mac: 68:17:29:a4:92:c8 
Drives:    HDD Total Size: 931.51 GiB used: 73.01 GiB (7.8%) 
           ID-1: /dev/sda vendor: Seagate model: ST1000LM024 HN-M101MBB size: 931.51 GiB 
Partition: ID-1: / size: 19.56 GiB used: 10.48 GiB (53.6%) fs: ext4 dev: /dev/sda5 
           ID-2: swap-1 size: 5.00 GiB used: 0 KiB (0.0%) fs: swap dev: /dev/sda6 
Sensors:   System Temperatures: cpu: 40.0 C mobo: N/A 
           Fan Speeds (RPM): cpu: 5100 
Info:      Processes: 161 Uptime: 5m Memory: 7.68 GiB used: 1014.1 MiB (12.9%) Init: systemd Compilers: 
           gcc: 8.1.1 clang: 6.0.0 Shell: bash v: 4.4.23 inxi: 3.0.12 


#2

You sure it’s the login screen and not your input?

After you reset it with power button, please post the log from your last boot (upload to pastebin or the like):
journalctl -b -1


#3

It is probably that haveged thing.


#4

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