[Bug 293187] New: 100% CPU usage by plasma-desktop due to choice off settings in System Tray

[fmuldoo at me.lsu.edu]

https://bugs.kde.org/show_bug.cgi?id=293187

           Summary: 100% CPU usage by plasma-desktop due to choice off
                    settings in System Tray
           Product: kde
           Version: unspecified
          Platform: unspecified
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
        AssignedTo: unassigned-bugs at kde.org
        ReportedBy: fmuldoo at me.lsu.edu


Created an attachment (id=68452)
 --> (http://bugs.kde.org/attachment.cgi?id=68452)
screen shot

Version:           unspecified (using KDE 4.7.4) 
OS:                Linux

100% CPU usage by plasma-desktop due to choice off settings in System Tray

Reproducible: Always

Steps to Reproduce:
Open the "System Tray Settings". Select the "Display" panel/box.  If under
Shown Item Categories (and all except "Application Status" and "Hardware
Control" are turned off), if Hardware Control is then turned off, the CPU usage
 by plasma-desktop goes to ~100%.  The CPU usage does not go to back to normal
if "Hardware Control" is turned back on, but does so if "System Services" is
also turned on.  If "System Services" is then turned off, all is OK.

Actual Results:  
100% CPU usage by plasma-desktop

Expected Results:  
100% CPU usage by plasma-desktop

uname -r
3.2.2-1.fc16.x86_64

[root at localhost temp22]# more /p*/cp*
processor    : 0
vendor_id    : GenuineIntel
cpu family    : 6
model        : 42
model name    : Intel(R) Core(TM) i7-2670QM CPU @ 2.20GHz
stepping    : 7
microcode    : 0x25
cpu MHz        : 800.000
cache size    : 6144 KB
physical id    : 0
siblings    : 8
core id        : 0
cpu cores    : 4
apicid        : 0
initial apicid    : 0
fpu        : yes
fpu_exception    : yes
cpuid level    : 13
wp        : yes
flags        : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov
pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm
constant_tsc ar
ch_perfmon pebs bts nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64
monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic
popcnt tsc_deadline_t
imer aes xsave avx lahf_lm ida arat epb xsaveopt pln pts dts tpr_shadow vnmi
flexpriority ept vpid
bogomips    : 4385.38
clflush size    : 64
cache_alignment    : 64
address sizes    : 36 bits physical, 48 bits virtual
power management:

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