<solved> black screen after upgrade from kde 4.13 to plasma 5.7.2

<solved> black screen after upgrade from kde 4.13 to plasma 5.7.2

Postby lechuale » 24 Jan 2017, 22:59

i've upgraded from kde 4.13 to plasma5 using abf repositories (removing kde before)
enabled sddm and after reboot i can see login screen from sddm and after login there is only black screen with mouse cursor
i tried to reinstall amdgpu (free) driver but without effect

in systemctrl sddm log is
Authenticating successfully
Auth: sddm-helper exited successfully
Greeter stoped.
Session started
found in syslog
kernel [] ksplashqm: segfault at 20 ip .. sp.. error 4 in radeonsi_dri.so
systemd-coredump : Failed to generate stack trace: Unwinding not supported for this architecture
Process (ksplashqm) of user dumped core

any help?


update
didn'r read messages during upgrade there were some dependencies form rosa2016.1 which i had tested and i've had to downgrade (--oldpackage) them to rosa2014.1 and then complete upgrade with urpmi --auto-update command
lechuale
 
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