http://bugzilla.kernel.org/show_bug.cgi?id=12620
Summary: kacpi_notify chews up constant 50-60% CPU when machine
gets hot.
Product: ACPI
Version: 2.5
KernelVersion: 2.6.28.2
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: ACPICA-Core
AssignedTo: [email protected]
ReportedBy: [email protected]
Latest working kernel version:
Earliest failing kernel version: Also seen with 2.6.27.8.
Distribution: Ubuntu
Hardware Environment: Mini ATX mobo with Intel Corporation Mobile GME965/GLE960
Memory Controller, Intel Celeron R 2GHz, 1 G ram.
Software Environment:
Problem Description: kacpi_notify chews up too much CPU.
Steps to reproduce:
a) Power up machine.
b) Run CPU intensive tasks with air holes blocked until machine heats up
significantly.
c) Reboot.
After reboot, machine comes up with kacpi_notify consuming about 60% of CPU.
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