TW ksplashqml segfault error 4 trying to start plasma (black screen)

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TW ksplashqml segfault error 4 trying to start plasma (black screen)

Felix Miata-3
i845G i586 TW 20180410
Nothing shows up in /var/lib/systemd/coredump/.
From journalctl tail:
$SUBJECT based on dmesg.
t2240 [RPM][12313]: Transaction ID 5ad1b273 finished: 0
t2240 kdeinit5[1144]: org.kde.kcoreaddons: Expected JSON property
"X-KDE-OnlyShowOnQtPlatforms" to be a string list. Treating it as a list with a
single entry: "xcb"
t2240 ksplashqml[12513]: QOpenGLShader: could not create shader
t2240 kernel: ksplashqml[12513]: segfault at 0 ip 00000000 sp bfb27edc error 4
in ksplashqml[4b3000+9000]
t2240 org_kde_powerdevil[1300]: powerdevil: ACTIVE SESSION PATH CHANGED:
"/org/freedesktop/login1/session/_32"
t2240 org_kde_powerdevil[1300]: powerdevil: Current session is now inactive
t2240 nmbd[999]:

Any clue here that suggests a missing dep or package rather than a bug,
something that I can to do to not have a black screen that eventually aborts the
useless session? IceWM works fine, and runs Konq, Spectacle, Kcalc, Konsole &
Kcmshell5 fonts. Systemsettings5 just opens a black window.
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 Team OS/2 ** Reg. Linux User #211409 ** a11y rocks!

Felix Miata  ***  http://fm.no-ip.com/
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Re: TW ksplashqml segfault error 4 trying to start plasma (black screen)

Fabian Vogt-2
Hi,

Am Samstag, 14. April 2018, 10:11:29 CEST schrieb Felix Miata:
> i845G i586 TW 20180410
> Nothing shows up in /var/lib/systemd/coredump/.
> From journalctl tail:
> $SUBJECT based on dmesg.
> t2240 [RPM][12313]: Transaction ID 5ad1b273 finished: 0
> t2240 kdeinit5[1144]: org.kde.kcoreaddons: Expected JSON property
> "X-KDE-OnlyShowOnQtPlatforms" to be a string list. Treating it as a list with a
> single entry: "xcb"
> t2240 ksplashqml[12513]: QOpenGLShader: could not create shader

^ Broken or incompatible graphics driver.
Can you reproduce the crash with "ksplashqml --test"?
If so, please test also "LIBGL_ALWAYS_SOFTWARE=1 ksplashqml --test" and
"QT_LOGGING_RULES=*.debug=true ksplashqml --test".

> t2240 kernel: ksplashqml[12513]: segfault at 0 ip 00000000 sp bfb27edc error 4
> in ksplashqml[4b3000+9000]

This should still not happen, can you get a backtrace of the crash so the nullptr
deref can be avoided?

Cheers,
Fabian

> t2240 org_kde_powerdevil[1300]: powerdevil: ACTIVE SESSION PATH CHANGED:
> "/org/freedesktop/login1/session/_32"
> t2240 org_kde_powerdevil[1300]: powerdevil: Current session is now inactive
> t2240 nmbd[999]:
>
> Any clue here that suggests a missing dep or package rather than a bug,
> something that I can to do to not have a black screen that eventually aborts the
> useless session? IceWM works fine, and runs Konq, Spectacle, Kcalc, Konsole &
> Kcmshell5 fonts. Systemsettings5 just opens a black window.
>




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