Pretty slow shutdown

My laptop takes 2 minutes to shutdown completely. I’d say it powers off right away, but then the monitor backlight stays on for a little less than 2 minutes.

      Kernel: 5.9.12-1-MANJARO x86_64 bits: 64 compiler: gcc v: 10.2.0 
      Desktop: GNOME 3.38.2 tk: GTK 3.24.24 wm: gnome-shell dm: GDM 3.38.2 
      Distro: Manjaro Linux 
      Type: Laptop System: Dell product: Inspiron 15-3567 v: N/A 
      serial: <filter> Chassis: type: 9 serial: <filter> 
      Mobo: Dell model: 0XPYYD v: A00 serial: <filter> UEFI: Dell v: 2.13.0 
      date: 08/13/2020 
      RAM: total: 7.64 GiB used: 2.26 GiB (29.6%) 
      RAM Report: 
      permissions: Unable to run dmidecode. Root privileges required. 
      Info: Dual Core model: Intel Core i5-7200U bits: 64 type: MT MCP 
      arch: Amber Lake rev: 9 L2 cache: 3072 KiB bogomips: 21607 
      Speed: 3100 MHz min/max: 400/2601 MHz boost: enabled Core speeds (MHz): 
      1: 3100 2: 3100 3: 3100 4: 3100 
      Flags: 3dnowprefetch abm acpi adx aes aperfmperf apic arat arch_perfmon 
      art avx avx2 bmi1 bmi2 bts clflush clflushopt cmov constant_tsc cpuid 
      cpuid_fault cx16 cx8 de ds_cpl dtes64 dtherm dts epb ept ept_ad erms est 
      f16c flexpriority flush_l1d fma fpu fsgsbase fxsr ht hwp hwp_act_window 
      hwp_epp hwp_notify ibpb ibrs ida intel_pt invpcid invpcid_single lahf_lm 
      lm mca mce md_clear mmx monitor movbe mpx msr mtrr nonstop_tsc nopl nx pae 
      pat pbe pcid pclmulqdq pdcm pdpe1gb pebs pge pln pni popcnt pse pse36 pti 
      pts rdrand rdseed rdtscp rep_good sdbg sep smap smep ss ssbd sse sse2 
      sse4_1 sse4_2 ssse3 stibp syscall tm tm2 tpr_shadow tsc tsc_adjust 
      tsc_deadline_timer vme vmx vnmi vpid x2apic xgetbv1 xsave xsavec xsaveopt 
      xsaves xtopology xtpr 
      Device-1: Intel HD Graphics 620 vendor: Dell driver: i915 v: kernel 
      bus ID: 00:02.0 chip ID: 8086:5916 
      Device-2: Sunplus Innovation Integrated_Webcam_HD type: USB 
      driver: uvcvideo bus ID: 1-5:3 chip ID: 1bcf:28c0 
      Display: wayland server: 1.20.10 compositor: gnome-shell 
      driver: i915 note: display driver n/a - try sudo/root 
      resolution: <missing: xdpyinfo> 
      OpenGL: renderer: Mesa Intel HD Graphics 620 (KBL GT2) v: 4.6 Mesa 20.3.0 
      direct render: Yes 
      Device-1: Intel Sunrise Point-LP HD Audio vendor: Dell 
      driver: snd_hda_intel v: kernel bus ID: 00:1f.3 chip ID: 8086:9d71 
      Sound Server: ALSA v: k5.9.12-1-MANJARO 
      Device-1: Intel Wireless 3165 driver: iwlwifi v: kernel port: f040 
      bus ID: 01:00.0 chip ID: 8086:3165 
      IF: wlp1s0 state: up mac: <filter> 
      IP v4: <filter> type: dynamic noprefixroute scope: global 
      broadcast: <filter> 
      Device-2: Realtek RTL810xE PCI Express Fast Ethernet vendor: Dell 
      driver: r8169 v: kernel port: e000 bus ID: 02:00.0 chip ID: 10ec:8136 
      IF: enp2s0 state: down mac: <filter> 
      WAN IP: <filter> 
      Local Storage: total: 931.51 GiB used: 59.90 GiB (6.4%) 
      ID-1: /dev/sda vendor: Western Digital model: WDS100T2B0A-00SM50 
      size: 931.51 GiB speed: 6.0 Gb/s serial: <filter> rev: 40WD scheme: GPT 
      Message: No Optical or Floppy data was found. 
      Message: No RAID data was found. 
      ID-1: / size: 449.95 GiB used: 59.87 GiB (13.3%) fs: ext4 dev: /dev/sda5 
      label: N/A uuid: 14730961-78c6-b863-a49f-08ca1a93b337 
      ID-2: /boot/efi size: 99.2 MiB used: 35.1 MiB (35.3%) fs: vfat 
      dev: /dev/sda3 label: N/A uuid: BBFA-B57B 
      ID-1: swap-1 type: partition size: 8.00 GiB used: 0 KiB (0.0%) 
      priority: -2 dev: /dev/sda6 label: N/A 
      uuid: bc8acd18-170e-3e2b-e5db-ea38074cef3e 
      ID-1: /dev/sda1 size: 128.0 MiB fs: <superuser/root required> label: N/A 
      uuid: N/A 
      ID-2: /dev/sda2 size: 499.0 MiB fs: ntfs label: Recovery 
      uuid: E38AFBB3DDC4CE48 
      ID-3: /dev/sda4 size: 465.12 GiB fs: ntfs label: N/A 
      uuid: EA92414EAD295C01 
      ID-4: /dev/sda7 size: 580.0 MiB fs: ntfs label: N/A uuid: 677A6DF7D6B9EE21 
      Hub: 1-0:1 info: Full speed (or root) Hub ports: 12 rev: 2.0 
      speed: 480 Mb/s chip ID: 1d6b:0002 
      Device-1: 1-1:2 info: Sunplus Innovation Optical Mouse type: Mouse 
      driver: hid-generic,usbhid interfaces: 1 rev: 2.0 speed: 1.5 Mb/s 
      chip ID: 1bcf:0005 
      Device-2: 1-5:3 info: Sunplus Innovation Integrated_Webcam_HD type: Video 
      driver: uvcvideo interfaces: 2 rev: 2.0 speed: 480 Mb/s chip ID: 1bcf:28c0 
      Device-3: 1-6:4 info: Realtek RTS5129 Card Reader Controller 
      type: <vendor specific> driver: rtsx_usb,rtsx_usb_ms,rtsx_usb_sdmmc 
      interfaces: 1 rev: 2.0 speed: 480 Mb/s chip ID: 0bda:0129 serial: <filter> 
      Device-4: 1-8:5 info: Intel Bluetooth wireless interface type: Bluetooth 
      driver: btusb interfaces: 2 rev: 2.0 speed: 12 Mb/s chip ID: 8087:0a2a 
      Hub: 2-0:1 info: Full speed (or root) Hub ports: 6 rev: 3.0 speed: 5 Gb/s 
      chip ID: 1d6b:0003 
      System Temperatures: cpu: 42.0 C mobo: 40.0 C 
      Fan Speeds (RPM): cpu: 0 
      Processes: 215 Uptime: 21m wakeups: 1 Init: systemd v: 247 Compilers: 
      gcc: 10.2.0 Packages: pacman: 1229 Shell: Zsh v: 5.8 
      running in: gnome-terminal inxi: 3.1.09

I managed to query journalctl to get some info about the last shutdown, but the log is too long. I uploaded it on MEGA:
mega [dot] nz/file/Yp9zVChL#wLIl9krZ5uG4ip981w6jRVICBiJFnauVxA6mG5fDKxg
virustotal [dot] com/gui/url/5c781fcf929dedca62f41fe3a0ff21f9d43c7aeafc6ff15d0007ce51ddaec2c7/detection

There was a bug fix proposed, I have not tested it, so use it with care:

Just add


to the bottom of this file (as root)




I wouldn’t say it’s working, but I’m not sure I did everything correctly.
I only added Slice=-.slice at the end of /usr/lib/systemd/user/gnome-session-restart-dbus.service. Should I do anything else?

Have you rebooted twice?

If it’s not working move it at the end of the


section in that file.

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The first shutdown still required 2 minutes, the second one was almost instantaneous.
Which makes me think gnome-session-restart-dbus.service is loaded right when systemd starts or something. I thought it would be loaded after issuing a shutdown. The more you know!
Thank you, your help was much appreciated

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