- Running "qt-language-select --mode select" as mentioned above resulted in the "QMutex::lock: Deadlock detected in thread" error. Got no further. No help.
- Removing "language-pack-kde-en" immediately re-enabled KDE3 apps (k3b, ktorrent, etc.). (No logout/login or reboot necessary.)
Ran into this problem on all my Kubuntu systems. Had to switch to Gnome until I found this thread. :) Thanks for the work-arounds mentioned above.
- Installing KDE4 (as per http:// kubuntu. org/announcemen ts/kde- 4.0.1.php) was no help. KDE4 started just fine (from KDM3), but problem persisted with KDE3 apps.
- Running "qt-language-select --mode select" as mentioned above resulted in the "QMutex::lock: Deadlock detected in thread" error. Got no further. No help.
- Removing "language- pack-kde- en" immediately re-enabled KDE3 apps (k3b, ktorrent, etc.). (No logout/login or reboot necessary.)
FWIW