Hello,

I've set up suspend to be on when I close my laptop's lid. Sadly it won't work. It's a freshly installed KDE Neon with Plasma 5.10.3.

My inxi output:

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System:    Kernel: 4.8.0-58-generic x86_64 (64 bit) Desktop: KDE Plasma 5.10.3
           Distro: neon 16.04 xenial
Machine:   Mobo: Acer model: Larne v: V1.01 Bios: Insyde v: V1.01 date: 05/27/2014
CPU:       Quad core AMD A8-6410 APU with AMD Radeon R5 Graphics (-MCP-) cache: 8192 KB
           clock speeds: max: 2000 MHz 1: 1400 MHz 2: 1200 MHz 3: 1800 MHz 4: 1200 MHz
Graphics:  Card-1: Advanced Micro Devices [AMD/ATI] Mullins [Radeon R4/R5 Graphics]
           Card-2: Advanced Micro Devices [AMD/ATI] Jet XT [Radeon R5 M240]
           Display Server: X.Org 1.18.4 drivers: ati,radeon (unloaded: fbdev,vesa) Resolution: 1366x768@60.00hz
           GLX Renderer: Gallium 0.4 on AMD MULLINS (DRM 2.46.0 / 4.8.0-58-generic, LLVM 3.8.0)
           GLX Version: 3.0 Mesa 12.0.6
Audio:     Card-1 Advanced Micro Devices [AMD] FCH Azalia Controller driver: snd_hda_intel
           Card-2 Advanced Micro Devices [AMD/ATI] Kabini HDMI/DP Audio driver: snd_hda_intel
           Sound: Advanced Linux Sound Architecture v: k4.8.0-58-generic
Network:   Card-1: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller driver: r8169
           Card-2: Qualcomm Atheros QCA9565 / AR9565 Wireless Network Adapter driver: ath9k
Drives:    HDD Total Size: 240.1GB (80.9% used) ID-1: /dev/sda model: TOSHIBA_Q300. size: 240.1GB
Sensors:   System Temperatures: cpu: 50.2C mobo: N/A gpu: 49.0,N/A
           Fan Speeds (in rpm): cpu: N/A
Info:      Processes: 204 Uptime: 2:22 Memory: 2081.0/6935.7MB Client: Shell (bash) inxi: 2.2.35


Is this issue known? If so, then I'm sorry, but I couldn't find it on the forums.
Please advise in case you need more logs or other input. Thanks.

Do You have enough swap-space?

# Test:
$ swapon --verbose --show
NAME TYPE SIZE USED PRIO
/dev/sdb6 partition 16G 0B -1
/dev/sdb3 partition 16G 0B -2

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swapon --verbose --show
NAME      TYPE      SIZE  USED PRIO
/dev/sda2 partition  12G 74,5M   -1


12 GB should be enough for 8 GB.

After restarting, it works, but it fails when baloo is active and searching for files. I'll monitor it and keep updating.

Another thing: I've unplugged the charger, but KDE still thinks it's plugged in. Weird.

Maybe, the reason is this functionality:

# Sleep and Shutdown Inhibition:

https://www.freedesktop.org/software/sy ... hibit.html

And look under: Power Management

https://www.kde.org/announcements/plasma-5.2.95.php

Else search for:

"site:www.kde.org inhibit"

in <Your Favorite Search Engine>.

Try and check:

System Settings
-Power Management
--Activity Settings
---Define a special behavior
----Never suspend or shutdown the computer, etc.

Thanks for all of your answers. Suspend now works fine. I think it had to do with Baloo hogging the memory and the system probably presuming the machine was busy. I'm marking this as solved.

For Hibernating (Suspend to Disk), there's
the 'resume=…' kernel parameter, too.

# Example:
$ cat /etc/default/grub | grep resume
GRUB_CMDLINE_LINUX_DEFAULT="resume=UUID=8e518044-87f8-412f-b874-f7ff8cabfffd"