[kde] [Bug 485264] New: PIM Applications unable to open on Plasma 6.0.3 Wayland with Qt 6.6.3 with newer Nvidia GPUs

[bugzilla_noreply at kde.org]

https://bugs.kde.org/show_bug.cgi?id=485264

            Bug ID: 485264
           Summary: PIM Applications unable to open on Plasma 6.0.3
                    Wayland with Qt 6.6.3 with newer Nvidia GPUs
    Classification: I don't know
           Product: kde
           Version: unspecified
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: wheniwasatruestar at gmail.com
  Target Milestone: ---

SUMMARY
PIM applications such as Kmail, Kontact, Akonadi Console does not open in the
Plasma Wayland session, only in X11 session, when using a newer Nvidia GPU such
as 3060 or 4070.

STEPS TO REPRODUCE
1. Possess a newer Nvidia GPU, with the proprietary drivers.
2. Open Plasma 6 Wayland.
3. Attempt to open Kmail.

OBSERVED RESULT
Kmail does not open.

EXPECTED RESULT
Kmail opens.

SOFTWARE/OS VERSIONS
ArchLinux
> uname -a
Linux hostname 6.8.4-arch1-1 #1 SMP PREEMPT_DYNAMIC Fri, 05 Apr 2024 00:14:23
+0000 x86_64 GNU/Linux
> pacman -Qii kmail kontact qt6-base plasma-desktop nvidia nvidia-utils| grep -E "(Name|Version)"
Name            : kmail
Version         : 24.02.1-2
Name            : kontact
Version         : 24.02.1-1
Name            : qt6-base
Version         : 6.6.3-1
Name            : plasma-desktop
Version         : 6.0.3-1
Name            : nvidia
Version         : 550.67-5
Name            : nvidia-utils
Version         : 550.67-1

ADDITIONAL INFORMATION
I am using a Nvidia 3060 with a Light Hash Rate.
https://bbs.archlinux.org/viewtopic.php?id=294707 has noted identical issue
with a 4070, claiming that downgrading qt6 to qt6.6.2 has resolved the issue.
Attempting to open in the terminal only results in the following error message
```
> kmail
Connecting to deprecated signal
QDBusConnectionInterface::serviceOwnerChanged(QString,QString,QString)
org.kde.pim.akonadiserver: Starting up the Akonadi Server...
/usr/bin/mysqlcheck: Deprecated program name. It will be removed in a future
release, use '/usr/bin/mariadb-check' instead
akonadi.collectionattributetable                   OK
akonadi.collectionmimetyperelation                 OK
akonadi.collectionpimitemrelation                  OK
akonadi.collectiontable                            OK
akonadi.flagtable                                  OK
akonadi.mimetypetable                              OK
akonadi.parttable                                  OK
akonadi.parttypetable                              OK
akonadi.pimitemflagrelation                        OK
akonadi.pimitemtable                               OK
akonadi.pimitemtagrelation                         OK
akonadi.relationtable                              OK
akonadi.relationtypetable                          OK
akonadi.resourcetable                              OK
akonadi.schemaversiontable                         OK
akonadi.tagattributetable                          OK
akonadi.tagremoteidresourcerelationtable           OK
akonadi.tagtable                                   OK
akonadi.tagtypetable                               OK
/usr/bin/mysql_upgrade: Deprecated program name. It will be removed in a future
release, use '/usr/bin/mariadb-upgrade' instead
This installation of MariaDB is already upgraded to 11.3.2-MariaDB.
There is no need to run mariadb-upgrade again for 11.3.2-MariaDB.
You can use --force if you still want to run mariadb-upgrade
org.kde.pim.akonadiserver: Running DB initializer
org.kde.pim.akonadiserver: DB initializer done
Connecting to deprecated signal
QDBusConnectionInterface::serviceOwnerChanged(QString,QString,QString)
org.kde.pim.akonadiserver: New notification connection (registered as
Akonadi::Server::NotificationSubscriber(0x7e7cd0002200) )
org.kde.pim.akonadiserver: Subscriber
Akonadi::Server::NotificationSubscriber(0x7e7cd0002200) identified as
"ETMCalendarMonitor - 109686660511920"
org.kde.pim.akonadiserver: New notification connection (registered as
Akonadi::Server::NotificationSubscriber(0x7e7cd00290c0) )
...
org.kde.pim.akonadiserver: Subscriber
Akonadi::Server::NotificationSubscriber(0x7e7cd0268d00) identified as
"SpecialCollectionsMonitor - 95485126048928"
org.kde.pim.akonadiserver: Subscriber "" disconnected
org.kde.pim.akonadiserver: New notification connection (registered as
Akonadi::Server::NotificationSubscriber(0x7e7cd00a48b0) )
org.kde.pim.akonadiserver: New notification connection (registered as
Akonadi::Server::NotificationSubscriber(0x7e7cd0299970) )
kf.windowsystem: KWindowInfo is only functional when running on X11
Please register the custom scheme 'urn' via
QWebEngineUrlScheme::registerScheme() before installing the custom scheme
handler.
org.kde.pim.akonadiserver: Subscriber "" disconnected
org.kde.pim.akonadiserver: New notification connection (registered as
Akonadi::Server::NotificationSubscriber(0x7e7cd0030bb0) )
org.kde.pim.akonadiserver: New notification connection (registered as
Akonadi::Server::NotificationSubscriber(0x7e7cd02a3df0) )
org.kde.pim.akonadiserver: Subscriber "" disconnected
...
```
but the kmail window does not show up.

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