#1051094 kde-baseapps: entire machine freezes with soft lockups at KDE login after upgrade to bookworm

Package:
kde-baseapps
Source:
kde-baseapps
Description:
base applications from the official KDE release (metapackage)
Submitter:
D. R. Evans
Date:
2023-09-29 12:45:07 UTC
Severity:
normal
#1051094#5
Date:
2023-09-02 16:23:10 UTC
From:
To:
Dear Maintainer,

   * What led up to the situation?

Updated from bullseye to bookworm. No obvious errors during the upgrade.

   * What exactly did you do (or not do) that was effective (or
     ineffective)?

Symptom: Usually KDE simply freezes during login. Sometimes it does allow me to
log in (very slowly) and open a terminal, but shortly thereafter, it freezes.

In addition, the machine starts to beep when it freezes, which indicates a soft lockup.

Looking in journalctl:

  root@zserver:~# journalctl | grep lockup
  Sep 01 11:14:31 zserver kernel: watchdog: BUG: soft lockup - CPU#7 stuck for 45s! [akonadi_control:10618]
  Sep 01 11:14:31 zserver kernel:  ? softlockup_fn+0x70/0x70
  Sep 01 11:15:08 zserver kernel: watchdog: BUG: soft lockup - CPU#7 stuck for 71s! [akonadi_control:10618]
  Sep 01 11:15:08 zserver kernel:  ? softlockup_fn+0x70/0x70
  Sep 01 11:15:31 zserver kernel: watchdog: BUG: soft lockup - CPU#7 stuck for 101s! [akonadi_control:10618]
  Sep 01 11:15:31 zserver kernel:  ? softlockup_fn+0x70/0x70
  Sep 01 11:26:07 zserver kernel: watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [kalendarac:6891]
  Sep 01 11:26:07 zserver kernel:  ? lockup_detector_update_enable+0x50/0x50
  Sep 01 12:10:15 zserver kernel: watchdog: BUG: soft lockup - CPU#1 stuck for 22s! [kaccess:59605]
  Sep 01 12:15:15 zserver kernel: watchdog: BUG: soft lockup - CPU#7 stuck for 44s! [akonadi_followu:15090]
  Sep 01 12:15:15 zserver kernel:  ? softlockup_fn+0x70/0x70
  Sep 01 12:15:16 zserver kernel: watchdog: BUG: soft lockup - CPU#7 stuck for 70s! [akonadi_followu:15090]
  Sep 01 12:15:16 zserver kernel:  ? softlockup_fn+0x70/0x70
  Sep 01 12:15:44 zserver kernel: watchdog: BUG: soft lockup - CPU#7 stuck for 97s! [akonadi_followu:15090]
  Sep 01 12:15:44 zserver kernel:  ? softlockup_fn+0x70/0x70
  Sep 02 09:16:13 zserver kernel: watchdog: BUG: soft lockup - CPU#7 stuck for 45s! [akonadi_akonote:14911]
  Sep 02 09:16:13 zserver kernel:  ? softlockup_fn+0x70/0x70
  Sep 02 09:16:13 zserver kernel: watchdog: BUG: soft lockup - CPU#7 stuck for 71s! [akonadi_akonote:14911]
  Sep 02 09:16:13 zserver kernel:  ? softlockup_fn+0x70/0x70
  Sep 02 09:16:13 zserver kernel: watchdog: BUG: soft lockup - CPU#7 stuck for 104s! [akonadi_akonote:14911]
  Sep 02 09:16:14 zserver kernel:  ? softlockup_fn+0x70/0x70
  Sep 02 09:16:14 zserver kernel: watchdog: BUG: soft lockup - CPU#7 stuck for 130s! [akonadi_akonote:14911]
  Sep 02 09:16:14 zserver kernel:  ? softlockup_fn+0x70/0x70
  Sep 02 09:16:14 zserver kernel: watchdog: BUG: soft lockup - CPU#7 stuck for 160s! [akonadi_akonote:14911]
  Sep 02 09:16:14 zserver kernel:  ? softlockup_fn+0x70/0x70
  Sep 02 09:16:14 zserver kernel:  ? softlockup_fn+0x70/0x70
  Sep 02 09:16:14 zserver kernel: watchdog: BUG: soft lockup - CPU#7 stuck for 246s! [akonadi_akonote:14911]
  Sep 02 09:16:14 zserver kernel:  ? softlockup_fn+0x70/0x70
  Sep 02 09:16:31 zserver kernel: watchdog: BUG: soft lockup - CPU#7 stuck for 272s! [akonadi_akonote:14911]
  root@zserver:~#

which suggests a problem associated with akonadi, perhaps?

journalctl also says, for example:

Sep 02 09:16:28 zserver systemd[7328]: Started drkonqi-coredump-launcher@0-21521-0.service - Launch DrKonqi for a systemd
  80)  #612328  kde-plasma-desktop: System Settings, Appearance, Splash Screen, installation of "KSarboard Splash" fails │-coredump crash (PID 21521/UID 0).

I'm unsure how to actually find the coredump (if it still exists) or how to send it to you.

   * What was the outcome of this action?

I have been unable to find any way around this; KDE is therefore completely unsable here, after the upgrade to bookworm.

It worked fine prior to the upgrade.

   * What outcome did you expect instead?

I expected to be able to log in and use KDE as usual.
#1051094#8
Date:
2023-09-29 12:16:33 UTC
From:
To:
Hi

Nothing in userland should be able to do this kind of lockups in the kernel.

Is this mayhaps the amd tpm issue?
or maybe a graphics driver issue https://gitlab.freedesktop.org/drm/amd/-/
issues/2843  ?

/Sune