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List:       kde-bugs-dist
Subject:    [kwin] [Bug 386417] New: All desktop panels crash using Wayland
From:       Nathan <bugzilla_noreply () kde ! org>
Date:       2017-11-01 8:08:06
Message-ID: bug-386417-17878 () http ! bugs ! kde ! org/
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https://bugs.kde.org/show_bug.cgi?id=386417

            Bug ID: 386417
           Summary: All desktop panels crash using Wayland
           Product: kwin
           Version: 5.11.2
          Platform: Neon Packages
                OS: Linux
            Status: UNCONFIRMED
          Severity: major
          Priority: NOR
         Component: wayland-generic
          Assignee: kwin-bugs-null@kde.org
          Reporter: 2gd4who@gmail.com
  Target Milestone: ---

I am keen to run wayland so I can help out with bug reports etc but at the
moment for I am finding its not running well. I have three machines all running
Neon fully update. Since version 5.11.0 up to 5.11.2 I have noticed maybe a
regression in wayland. On all three machines (All intel with onboard intel
graphics) any application I open causes the taskbar panel to close and reopen
(its very repeatable) but there is no crash detected so I do not know how to
send in a bug report. One of the machines I have (HP elitebook 850 G1) has two
screens connected, any application I open disappears off both the screens so I
cannot use it at all. Please advise anything I can do to help in this situation
esp since there seems to be a push to get this ready by 5.12.

I did find these couple of things in syslog :-

Oct 20 20:55:31 nathan-ThinkPad-Helix org.kde.kuiserver[1668]:
QObject::connect: invalid null parameter

Oct 20 21:07:23 nathan-ThinkPad-Helix kernel: [ 773.703267]
QSGRenderThread[3041]: segfault at 18 ip 00007f6a4f5b6b60 sp 00007f697c8e7950
error 4 in libwayland-client.so.0.3.0[7f6a4f5b0000+c000]

And this after opening KInfocentre under wayland
-------------------------------------------------------------------------------------------------------------------------------------


Oct 25 16:24:40 nathan-OptiPlex-790 org.kde.kuiserver[15836]: QDBusConnection:
session D-Bus connection created before QCoreApplication. Application may
misbehave.
Oct 25 16:24:40 nathan-OptiPlex-790 org.kde.kuiserver[15836]: kuiserver: cannot
connect to X server
Oct 25 16:24:40 nathan-OptiPlex-790 org.kde.kuiserver[15836]: unnamed
app(16173): Communication problem with "kuiserver" , it probably crashed.
Oct 25 16:24:40 nathan-OptiPlex-790 org.kde.kuiserver[15836]: Error message
was: "org.freedesktop.DBus.Error.NoReply" : " "Message recipient disconnected
from message bus without replying" "
Oct 25 16:24:40 nathan-OptiPlex-790 org.kde.kuiserver[15836]: QDBusConnection:
session D-Bus connection created before QCoreApplication. Application may
misbehave.
Oct 25 16:24:40 nathan-OptiPlex-790 org.kde.kuiserver[15836]: QDBusConnection:
session D-Bus connection created before QCoreApplication. Application may
misbehave.
Oct 25 16:24:40 nathan-OptiPlex-790 org.kde.kuiserver[15836]: kuiserver: cannot
connect to X server
Oct 25 16:24:40 nathan-OptiPlex-790 org.kde.kuiserver[15836]: unnamed
app(16176): Communication problem with "kuiserver" , it probably crashed.
Oct 25 16:24:40 nathan-OptiPlex-790 org.kde.kuiserver[15836]: Error message
was: "org.freedesktop.DBus.Error.NoReply" : " "Message recipient disconnected
from message bus without replying" "

this time lost the whole desktop, managed to grab this before rebooting
> -------------------------------------------------------------------------------------------------------------
> 

Oct 25 16:30:07 nathan-OptiPlex-790 kernel: [ 2416.749607] konsole[16143]:
segfault at 3bc ip 00007f316c3ad5b9 sp 00007ffe89e0a4b0 error 6 in
libwayland-client.so.0.3.0[7f316c3a4000+c000]
Oct 25 16:30:40 nathan-OptiPlex-790 org.kde.kdeconnect[15836]:
QCoreApplication::postEvent: Unexpected null receiver
Oct 25 16:30:46 nathan-OptiPlex-790 org.kde.kuiserver[15836]: QDBusConnection:
session D-Bus connection created before QCoreApplication. Application may
misbehave.
Oct 25 16:30:46 nathan-OptiPlex-790 org.kde.kuiserver[15836]: QDBusConnection:
session D-Bus connection created before QCoreApplication. Application may
misbehave.
Oct 25 16:30:46 nathan-OptiPlex-790 org.kde.kuiserver[15836]: kuiserver: cannot
connect to X server
Oct 25 16:30:46 nathan-OptiPlex-790 org.kde.kuiserver[15836]: unnamed
app(16625): Communication problem with "kuiserver" , it probably crashed.
Oct 25 16:30:46 nathan-OptiPlex-790 org.kde.kuiserver[15836]: Error message
was: "org.freedesktop.DBus.Error.NoReply" : " "Message recipient disconnected
from message bus without replying" "
Oct 25 16:30:46 nathan-OptiPlex-790 org.kde.kuiserver[15836]: QDBusConnection:
session D-Bus connection created before QCoreApplication. Application may
misbehave.
Oct 25 16:30:46 nathan-OptiPlex-790 org.kde.kuiserver[15836]: QDBusConnection:
session D-Bus connection created before QCoreApplication. Application may
misbehave.
Oct 25 16:30:46 nathan-OptiPlex-790 org.kde.kuiserver[15836]: kuiserver: cannot
connect to X server
Oct 25 16:30:46 nathan-OptiPlex-790 org.kde.kuiserver[15836]: unnamed
app(16628): Communication problem with "kuiserver" , it probably crashed.
Oct 25 16:30:46 nathan-OptiPlex-790 org.kde.kuiserver[15836]: Error message
was: "org.freedesktop.DBus.Error.NoReply" : " "Message recipient disconnected
from message bus without replying" "
Oct 25 16:30:47 nathan-OptiPlex-790 packagekitd[1718]: Starting
pkgProblemResolver with broken count: 0
Oct 25 16:30:47 nathan-OptiPlex-790 packagekitd[1718]: Starting 2
pkgProblemResolver with broken count: 0
Oct 25 16:30:47 nathan-OptiPlex-790 packagekitd[1718]: Done
Oct 25 16:30:48 nathan-OptiPlex-790 PackageKit: get-updates transaction
/3181_cdccaaad from uid 1000 finished with success after 478ms
Oct 25 16:30:48 nathan-OptiPlex-790 packagekitd[1718]: Starting
pkgProblemResolver with broken count: 0
Oct 25 16:30:48 nathan-OptiPlex-790 packagekitd[1718]: Starting 2
pkgProblemResolver with broken count: 0
Oct 25 16:30:48 nathan-OptiPlex-790 packagekitd[1718]: Done
Oct 25 16:30:48 nathan-OptiPlex-790 PackageKit: get-updates transaction
/3182_eddcbaed from uid 1000 finished with success after 473ms
Oct 25 16:30:52 nathan-OptiPlex-790 kernel: [ 2461.654221]
QSGRenderThread[16642]: segfault at 18 ip 00007f02c40c8b60 sp 00007f01f669b950
error 4 in libwayland-client.so.0.3.0[7f02c40c2000+c000]

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