[Bug 75531] Re: Icon sometimes turns into generic "blank paper" icon

[daniel2501]

I'm running kde-guidance-powermanager 0.7.1~svn20070111-0ubuntu2 in Feisty.
Powermanager doesn't start when system boots. Running guidance-power-manager from the command line results in:
Traceback (most recent call last):
  File "/usr/share/python-support/kde-guidance/guidance-power-manager.py", line 1021, in ?
    mainWindow = PowermanagerApp(None, "main window")
  File "/usr/share/python-support/kde-guidance/guidance-power-manager.py", line 965, in __init__
    self.pmwidget.prepare()
  File "/usr/share/python-support/kde-guidance/guidance-power-manager.py", line 117, in prepare
    self.poll(False)
  File "/usr/share/python-support/kde-guidance/guidance-power-manager.py", line 595, in poll
    self._updateCpuWidgets()
  File "/usr/share/python-support/kde-guidance/guidance-power-manager.py", line 759, in _updateCpuWidgets
    cpustate = self.powermanager.getCpuState(cpu)
  File "/usr/share/python-support/kde-guidance/powermanage.py", line 337, in getCpuState
    state['cur'] = int(_readValue("/sys/devices/system/cpu/"+cpu+"/cpufreq/scaling_cur_freq"))/1000
  File "/usr/share/python-support/kde-guidance/powermanage.py", line 42, in _readValue
    fhandle = open(file)
IOError: [Errno 2] No such file or directory: '/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq'
Error in sys.excepthook:
Traceback (most recent call last):
  File "/var/lib/python-support/python2.4/apport/python_hook.py", line 44, in apport_excepthook
    binary = os.path.normpath(os.path.join(os.getcwdu(), sys.argv[0]))
IndexError: list index out of range

Original exception was:
Traceback (most recent call last):
  File "/usr/share/python-support/kde-guidance/guidance-power-manager.py", line 1021, in ?
    mainWindow = PowermanagerApp(None, "main window")
  File "/usr/share/python-support/kde-guidance/guidance-power-manager.py", line 965, in __init__
    self.pmwidget.prepare()
  File "/usr/share/python-support/kde-guidance/guidance-power-manager.py", line 117, in prepare
    self.poll(False)
  File "/usr/share/python-support/kde-guidance/guidance-power-manager.py", line 595, in poll
    self._updateCpuWidgets()
  File "/usr/share/python-support/kde-guidance/guidance-power-manager.py", line 759, in _updateCpuWidgets
    cpustate = self.powermanager.getCpuState(cpu)
  File "/usr/share/python-support/kde-guidance/powermanage.py", line 337, in getCpuState
    state['cur'] = int(_readValue("/sys/devices/system/cpu/"+cpu+"/cpufreq/scaling_cur_freq"))/1000
  File "/usr/share/python-support/kde-guidance/powermanage.py", line 42, in _readValue
    fhandle = open(file)
IOError: [Errno 2] No such file or directory: '/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq'
power-manager: ERROR: Communication problem with power-manager, it probably crashed.

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Icon sometimes turns into generic "blank paper" icon
https://launchpad.net/bugs/75531