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Groups > linux.debian.bugs.dist > #972979

Bug#939170: linux: does not suspend completely, locks up

Cross-posted to 2 groups.

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Source: linux
Version: 5.2.9-2
Severity: important

Dear Maintainer,

*** Reporter, please consider answering these questions, where appropriate ***

   * What led up to the situation?
   * What exactly did you do (or not do) that was effective (or
     ineffective)?
   * What was the outcome of this action?
   * What outcome did you expect instead?

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Since the update from 4.19 to 5.2.9 my Lenovo Thinkpad E460 no longer suspends properly. If I 
close the lid or chose Suspend from the KDE launcher, the system will start to suspend but never 
reaches standby. Power light will blink as usual, display backlight turns off but keyboard LEDs 
don't turn off, fan is still active.

The system doesn't respond to Ctrl-Alt-Del or change to a Terminal. No input changes anything. 
Waiting (30min) doesn't help either. Rebooting to Kernel 4.19 fixes the problem immediatly.

Expected outcome would be a complete suspend/standby state and a complete recovery/powerup on
lid open or press of any key.


-- System Information:
Debian Release: bullseye/sid
  APT prefers testing
  APT policy: (500, 'testing'), (20, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 4.19.0-5-amd64 (SMP w/4 CPU cores)
Kernel taint flags: TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8), LANGUAGE=en_US (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

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Bug#939170: linux: does not suspend completely, locks up "Daniel M." <danielHL.83@googlemail.com> - 2019-09-02 01:20 +0200
  Bug#939170: linux-image-5.2.0-2-amd64: does not suspend completely, locks up Moritz Schlarb <schlarbm@uni-mainz.de> - 2019-09-05 22:00 +0200
  Bug#939170: Also with systemctl suspend "Daniel M." <danielhl.83@googlemail.com> - 2019-09-22 18:10 +0200
  Bug#939170: linux: does not suspend completely, locks up Marc Bonnor <mabo@myask.xyz> - 2019-09-23 12:00 +0200

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