[Bug 161265] New: Both screens turn grey when adding taskmanager widget to panel on right monitor.

[Andrew Fink]

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http://bugs.kde.org/show_bug.cgi?id=161265         
           Summary: Both screens turn grey when adding taskmanager widget to
                    panel on right monitor.
           Product: kde
           Version: unspecified
          Platform: unspecified
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: crash
          Priority: NOR
         Component: dualhead
        AssignedTo: unassigned-bugs kde org
        ReportedBy: afink huskerglass com


Version:           unknown (using 4.0.3 (KDE 4.0.3) "release 14.6", compiled sources)
Compiler:          gcc
OS:                Linux (i686) release 2.6.25-rc9-17-default

When adding the Task Manager widget to a panel located at the bottom of the right monitor both backgrounds turn gray (same color as panel) then the panel crashes.  I am using the nvidia driver. Backtrace below

[?1034h(no debugging symbols found)
(
[Thread debugging using libthread_db enabled]
[New Thread 0xb56ec6f0 (LWP 8703)]
[New Thread 0xb0d6db90 (LWP 12284)]
[New Thread 0xb2cf5b90 (LWP 9024)]
[New Thread 0xb2249b90 (LWP 8707)]
[New Thread 0xb3d06b90 (LWP 8705)]
0xffffe430 in __kernel_vsyscall ()
[Current thread is 0 (LWP 8703)]

Thread 5 (Thread 0xb3d06b90 (LWP 8705)):
#0  0xffffe430 in __kernel_vsyscall ()
#1  0xb7218c15 in pthread_cond_wait  GLIBC_2 3 2 () from /lib/libpthread.so.0
#2  0xb72879b6 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#3  0xb3e3d64a in ?? () from /usr/lib/kde4/plasma_containment_desktop.so
#4  0x080e9fb0 in ?? ()
#5  0x080e9fac in ?? ()
#6  0xffffffff in ?? ()
#7  0xb3d06250 in ?? ()
#8  0xb3d0630c in ?? ()
#9  0x00000000 in ?? ()

Thread 4 (Thread 0xb2249b90 (LWP 8707)):
#0  0xffffe430 in __kernel_vsyscall ()
#1  0xb7218c15 in pthread_cond_wait  GLIBC_2 3 2 () from /lib/libpthread.so.0
#2  0xb72879b6 in QWaitCondition::wait () from /usr/lib/libQtCore.so.4
#3  0xb3e3d64a in ?? () from /usr/lib/kde4/plasma_containment_desktop.so
#4  0x080e7388 in ?? ()
#5  0x080e7384 in ?? ()
#6  0xffffffff in ?? ()
#7  0xb2249250 in ?? ()
#8  0xb224930c in ?? ()
#9  0x00000000 in ?? ()

Thread 3 (Thread 0xb2cf5b90 (LWP 9024)):
#0  0xffffe430 in __kernel_vsyscall ()
#1  0xb6605f01 in select () from /lib/libc.so.6
#2  0xb7341ae5 in QProcessManager::run () from /usr/lib/libQtCore.so.4
#3  0xb7286dc7 in QThreadPrivate::start () from /usr/lib/libQtCore.so.4
#4  0xb7215175 in start_thread () from /lib/libpthread.so.0
#5  0xb660cdde in clone () from /lib/libc.so.6

Thread 2 (Thread 0xb0d6db90 (LWP 12284)):
#0  0xffffe430 in __kernel_vsyscall ()
#1  0xb7218f42 in pthread_cond_timedwait  GLIBC_2 3 2 ()
   from /lib/libpthread.so.0
#2  0xb30bfe35 in ?? () from /usr/lib/libxine.so.1
#3  0x08917b30 in ?? ()
#4  0x08917b18 in ?? ()
#5  0xb0d6d37c in ?? ()
#6  0x08917b30 in ?? ()
#7  0xb0d6d37c in ?? ()
#8  0x08917b18 in ?? ()
#9  0xb0d6d384 in ?? ()
#10 0x4811d89a in ?? ()
#11 0x2fcc0db0 in ?? ()
#12 0x4811d895 in ?? ()
#13 0x000c3c6e in ?? ()
#14 0xb7223ff4 in ?? () from /lib/libpthread.so.0
#15 0x00000000 in ?? ()

Thread 1 (Thread 0xb56ec6f0 (LWP 8703)):
#0  0xffffe430 in __kernel_vsyscall ()
#1  0xb65d6106 in nanosleep () from /lib/libc.so.6
#2  0xb65d5eee in sleep () from /lib/libc.so.6
#3  0xb79dbea9 in ?? () from /usr/lib/libkdeui.so.5
#4  0x00000000 in ?? ()
#0  0xffffe430 in __kernel_vsyscall ()