http://bugzilla.kernel.org/show_bug.cgi?id=8288
Summary: acpi logs flood by "processor CPU1" events
Kernel Version: 2.6.19-gentoo-r5, 2.6.20-gentoo-r4 , 2.6.21-rc5
Status: NEW
Severity: normal
Owner: [EMAIL PROTECTED]
Submitter: [EMAIL PROTECTED]
Most recent kernel where this bug did *NOT* occur: unknown
Distribution: gentoo Linux
Hardware Environment: i686 Intel(R) Pentium(R) M processor
Software Environment: gentoo Linux
Problem Description:
System logs (/var/log/acpi ) floods with messages like 'received event
"processor CPU1 00000080 00000004"'.
Seems to be coming from CONFIG_ACPI_PROCESSOR
Steps to reproduce:
(The following messages are form 2.6.19-gentoo-r5, but the same also occurs
under 2.6.21-rc5)
When I compile the kernel to use CONFIG_ACPI_PROCESSOR:
| Prompt: Processor
│ Defined at drivers/acpi/Kconfig:141
│ Depends on: !X86_VOYAGER && !X86_VISWS && !IA64_HP_SIM && (IA64 ||
X8
│ Location:
│ -> Power management options (ACPI, APM)
│ -> ACPI (Advanced Configuration and Power Interface) Support
│ -> ACPI Support (ACPI [=y]
and CPU Frequency scaling (module: speedstep_centrino)
system logs (/var/log/acpi ) floods with event messages.
Actual Results:
[Fri Mar 23 00:22:36 2007] received event "processor CPU1 00000080 00000004"
[Fri Mar 23 00:22:36 2007] notifying client 5512[103:409]
[Fri Mar 23 00:22:36 2007] notifying client 5785[0:0]
[Fri Mar 23 00:22:36 2007] executing action "/etc/acpi/default.sh processor
CPU1 00000080 00000004"
[Fri Mar 23 00:22:36 2007] BEGIN HANDLER MESSAGES
[Fri Mar 23 00:22:36 2007] END HANDLER MESSAGES
[Fri Mar 23 00:22:36 2007] action exited with status 0
[Fri Mar 23 00:22:36 2007] completed event "processor CPU1 00000080 00000004"
[Fri Mar 23 00:22:52 2007] received event "processor CPU1 00000080 00000004"
[Fri Mar 23 00:22:52 2007] notifying client 5512[103:409]
[Fri Mar 23 00:22:52 2007] notifying client 5785[0:0]
[Fri Mar 23 00:22:52 2007] executing action "/etc/acpi/default.sh processor
CPU1 00000080 00000004"
[Fri Mar 23 00:22:52 2007] BEGIN HANDLER MESSAGES
[Fri Mar 23 00:22:52 2007] END HANDLER MESSAGES
[Fri Mar 23 00:22:52 2007] action exited with status 0
[Fri Mar 23 00:22:52 2007] completed event "processor CPU1 00000080 00000004"
ACPI Processor seems to be needed for speedstep_centrino and CPU frequency
scaling to work.
Removing ACPI Processor support stops the messages, and brakes
speedstep_centrino.
The same bug has also been reported in gentoo bugzilla:
http://bugs.gentoo.org/show_bug.cgi?id=171860
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