[Bug 159662] New: Plasma crashes on booting into KDE 4. Kubuntu Hardy Heron 64-bit, updated through 21 MAR.

[Don Boyd]

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http://bugs.kde.org/show_bug.cgi?id=159662         
           Summary: Plasma crashes on booting into KDE 4.  Kubuntu Hardy
                    Heron 64-bit, updated through 21 MAR.
           Product: plasma
           Version: unspecified
          Platform: unspecified
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: general
        AssignedTo: panel-devel kde org
        ReportedBy: donbnfborn aol com


Version:           0.0.1 (using 4.0.2 (KDE 4.0.2), Kubuntu packages)
Compiler:          gcc
OS:                Linux (x86_64) release 2.6.24-12-generic

KDE 4 on Hardy Heron was very stable up until the most recent updates (20 MAR).  After today's updates, cannot boot into KDE 4 -- the graphic runs, the music plays, and plasma crashes.  Have deleted the .kde4 hidden directory and re-installed KDE 4 entirely -- no change.  KDE 3.5 is fine. Backtrace below ("no debug symbols" lines omitted for brevity):

Using host libthread_db library "/lib/libthread_db.so.1".
[Thread debugging using libthread_db enabled]
[New Thread 0x7f1e39c407e0 (LWP 7181)]
[KCrash handler]
#5  0x0000000000000005 in ?? ()
#6  0x00007f1e428629f5 in Plasma::Applet::flushUpdatedConstraints ()
   from /usr/lib/kde4/lib/libplasma.so.1
#7  0x00007f1e428852dd in Plasma::Corona::loadApplets ()
   from /usr/lib/kde4/lib/libplasma.so.1
#8  0x00007f1e42ec9462 in ?? () from /usr/lib/kde4/lib/libkdeinit4_plasma.so
#9  0x00007f1e42ecb5e2 in ?? () from /usr/lib/kde4/lib/libkdeinit4_plasma.so
#10 0x00007f1e42ec9bf1 in ?? () from /usr/lib/kde4/lib/libkdeinit4_plasma.so
#11 0x00007f1e42eca282 in ?? () from /usr/lib/kde4/lib/libkdeinit4_plasma.so
#12 0x00007f1e42ec8fa9 in kdemain ()
   from /usr/lib/kde4/lib/libkdeinit4_plasma.so
#13 0x00007f1e42b7a1c4 in __libc_start_main () from /lib/libc.so.6
#14 0x0000000000400649 in _start ()
#0  0x00007f1e42bf9ba0 in nanosleep () from /lib/libc.so.6