https://bugzilla.kernel.org/show_bug.cgi?id=16265

--- Comment #20 from Bc. Slavomir Danas slavomir.danas@gmail.com 2011-04-09 16:51:37 --- Created an attachment (id=53912) --> (https://bugzilla.kernel.org/attachment.cgi?id=53912) kworker polling hogs CPU on 2.6.38

kworker polling hogs CPU on 2.6.38 Gentoo x64 gentoo-sources 2.6.38 HP ProBook 4510s

00:02.0 VGA compatible controller [0300]: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller [8086:2a42] (rev 07) (prog-if 00 [VGA controller]) Subsystem: Hewlett-Packard Company Device [103c:3072] Flags: bus master, fast devsel, latency 0, IRQ 44 Memory at d0000000 (64-bit, non-prefetchable) [size=4M] Memory at c0000000 (64-bit, prefetchable) [size=256M] I/O ports at 50f0 [size=8] Expansion ROM at <unassigned> [disabled] Capabilities: [90] MSI: Enable+ Count=1/1 Maskable- 64bit- Capabilities: [d0] Power Management version 3 Kernel driver in use: i915

Attached external LCD TV at 720p via HDMI cable