[pkg-lxqt-devel] Bug#988549: lxqt: dmesg tail given before a reboot due to graphics subsystem freez

o1bigtenor o1bigtenor at gmail.com
Sat May 15 13:18:53 BST 2021

Subject: lxqt: dmesg tail given before a reboot due to graphics subsystem freeze
Package: lxqt
X-Debbugs-Cc: o1bigtenor at gmail.com
Version: 30
Severity: critical
Justification: breaks unrelated software
Tags: upstream

Dear Maintainer,

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

   * What led up to the situation?

   Nothing specific was done, found graphics subsystem locked and
before running reboot from a second system on my network ran dmesg

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

   Didn't do anything and a reboot cleared the issue, likely
temporarily but the issue was cleared
   filed a bug report at lxqt

   * What was the outcome of this action?

    upstream dev indicated that it wasn't their problem - - - rather
it was debian's problem

Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages lxqt depends on:
ii  featherpad                            0.12.1-1
ii  i3-wm [x-window-manager]              4.19.1-1
ii  lightdm [x-display-manager]           1.26.0-7
ii  lxdm [x-display-manager]              0.5.3-4
ii  lximage-qt                            0.14.1-1+b1
ii  lxqt-about                            0.14.1-1+b1
ii  lxqt-admin                            0.14.1-1+b1
ii  lxqt-branding-debian [lxqt-branding]
ii  lxqt-core                             30
ii  lxqt-openssh-askpass                  0.14.1-1
ii  lxqt-powermanagement                  0.14.1-1+b1
ii  lxqt-sudo                             0.14.1-2+b1
ii  openbox [x-window-manager]            3.6.1-9+deb11u1
ii  pavucontrol                           4.0-2
ii  qlipper                               1:5.1.2-1+b1
ii  qps                                   2.0.0-1+b1
ii  qterminal                             0.14.1-1+b1
ii  qttranslations5-l10n                  5.15.2-2
ii  sddm [x-display-manager]              0.18.1-1
ii  sddm-theme-debian-maui [sddm-theme]   0.18.1-1
pn  screengrab                                                 <none>
ii  smplayer                                                   20.6.0~ds0-1
ii  smtube                                                     18.3.0-1+b1
ii  vivaldi-stable [www-browser]                               3.8.2259.40-1

Versions of packages lxqt suggests:
ii  calibre            5.3.0+dfsg-1
pn  compton-conf       <none>
pn  juffed             <none>
pn  nomacs             <none>
pn  obconf-qt          <none>
pn  qt5-style-kvantum  <none>
pn  qtpass             <none>
pn  shutter            <none>
pn  vokoscreen         <none>

-- no debconf information

dpkg -l | less | grep lxqt*

ii  liblxqt-globalkeys-ui0:amd64                    0.14.3-1+b1
             amd64        daemon used to register global keyboard
ii  liblxqt-globalkeys0:amd64                       0.14.3-1+b1
             amd64        daemon used to register global keyboard
ii  liblxqt-l10n                                    0.16.0-1
             all          Language package for liblxqt
ii  lxqt-policykit                                  0.14.1-1+b1
             amd64        LXQt authentication agent for PolicyKit
ii  lxqt-policykit-l10n                             0.16.0-1
             all          Language package for lxqt-policykit
ii  lxqt-powermanagement                            0.14.1-1+b1
             amd64        power management module for LXQt
ii  lxqt-powermanagement-l10n                       0.16.0-1
             all          Language package for lxqt-powermanagement
ii  lxqt-qtplugin:amd64                             0.14.0-3+b2
             amd64        LXQt system integration plugin for Qt
ii  lxqt-runner                                     0.14.1-1+b1
             amd64        LXQt program launcher
ii  lxqt-runner-l10n                                0.16.0-1
             all          Language package for lxqt-runner
ii  lxqt-session                                    0.14.1-2+b1
             amd64        session manager component for LXQt
ii  lxqt-session-l10n                               0.16.0-1
             all          Language package for lxqt-session
ii  lxqt-sudo                                       0.14.1-2+b1
             amd64        Graphical QT frontend for plain sudo
ii  lxqt-sudo-l10n                                  0.16.0-1
             all          Language package for lxqt-sudo
ii  lxqt-system-theme                               0.16.0-1
             all          System theme for LXQt
ii  lxqt-theme-debian                     
             all          Debian theme for LXQt
ii  lxqt-themes                                     0.16.0-1
             all          Themes for LXQt

dmesg  tail showing issue

[Tue May 11 07:41:22 2021] traps: lxqt-globalkeys[1872] general
protection fault ip:7efd223044a6 sp:7ffc014175e0 error:0 in
[Tue May 11 07:41:24 2021] pcmanfm-qt[1871]: segfault at 30 ip
00007f038e86e925 sp 00007fff7ee3c700 error 4 in
[Tue May 11 07:41:24 2021] Code: 53 48 83 ec 28 8b 05 f2 ec 28 00 83
f8 ff 7c 16 0f b6 05 8e ec 28 00 84 c0 0f 84 c6 00 00 00 48 8d 0d 9f
ec 28 0
root at memyself:/#

AFAIK I haven't deliberately tried to keep lxqt 14.x

Should I remove all lxqt 14.x files (apt remove && purge) ?
It seems that I need lxqt 17.x to resolve the issue

Please advise

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