Mailinglist Archive: opensuse-bugs (13451 mails)

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[Bug 335086] Too many wakeups with "processor" kernel module
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Wed, 24 Oct 2007 11:08:51 -0600 (MDT)
  • Message-id: <20071024170851.66CC3CC7AC@xxxxxxxxxxxxxxxxxxxxxx>
https://bugzilla.novell.com/show_bug.cgi?id=335086#c2


Thomas Renninger <trenn@xxxxxxxxxx> changed:

What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED




--- Comment #2 from Thomas Renninger <trenn@xxxxxxxxxx> 2007-10-24 11:08:51
MST ---
It's probably not entering the sleep states correctly.
Can you provide cat /proc/acpi/processor/*/power
output when processor module is loaded.

You should see how many C-states are supported by your system.
If you have the processor module loaded, try to restrict the use of C-states,
e.g. if you have C3, then try:
echo 2 >/sys/module/processor/parameters/max_cstate
Does it work normal then?
If still not, try:
echo 1 >/sys/module/processor/parameters/max_cstate

What kind of CPU/machine is that?


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