[Bug 134282] Re: CPU Frequency - Incorrect Display

Michael Marte informarte at freenet.de
Sat Jul 19 20:07:02 UTC 2008


As the thread's initiator did not answer the question of Andreas, I'll
take over. I am running hardy KDE desktop on a Dell Latitude D600 with a
1.7Mhz Pentium M. With feisty, suspend to RAM, suspend to disk, and the
display of current CPU frequency worked well. After the upgrade to
hardy, suspend to RAM and disk did not work any more but the CPU
frequency was still displayed correctly. Yesterday I installed
kpowersave in addition to kde-guidance-powermanager and, voila, suspend
to RAM works again. After that, the CPU frequency was still displayed
correctly. Then I decided to play around with the packages recommended
by kpowersave, namely pm-utils, powersaved, acpi-tools, and hibernate,
hoping to fix suspend to disk as well. I started with powersaved; after
requesting its installation in adept_manager and without checking the
request's consequences on my installation, adept_manager removed apmd,
system-config-printer-kde, hal-cups-utils, hwdb-client-kde, hwdb-client-
common, kde-core, kde-hal-device-manager, kdebase, knetworkmanager,
network-manager-kde, and network-manager, powernowd, and ubuntu-laptop-
mode. I undid this change immediately, but now neither kde-guidance-
powermanager nor kpowersave display the CPU frequency. (To be precise,
kde-guidance-powermanager always displays 0 Mhz while kpowersave always
displays 598 Mhz, even when the CPU is running at full speed.)

Here is the output of hal-device `hal-find-by-capability --capability
'processor'`:

udi = '/org/freedesktop/Hal/devices/acpi_CPU0'
  processor.number = 0  (0x0)  (int)
  processor.can_throttle = true  (bool)
  info.parent = '/org/freedesktop/Hal/devices/computer'  (string)
  info.product = 'Intel(R) Pentium(R) M processor 1.70GHz'  (string)
  info.udi = '/org/freedesktop/Hal/devices/acpi_CPU0'  (string)
  linux.hotplug_type = 4  (0x4)  (int)
  info.category = 'processor'  (string)
  info.capabilities = { 'processor' } (string list)
  linux.acpi_path = '/proc/acpi/processor/CPU0'  (string)
  linux.acpi_type = 1  (0x1)  (int)


** Also affects: kpowersave (Ubuntu)
   Importance: Undecided
       Status: New

-- 
CPU Frequency - Incorrect Display
https://bugs.launchpad.net/bugs/134282
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