[CentOS] pdflush kernel thread pops up every 10 seconds or so and video decoding grinds to a halt for 1/2 a second

Wed Oct 20 00:34:32 UTC 2010
Aleksey Tsalolikhin <atsaloli.tech at gmail.com>

"uname -a" shows:

Linux localhost.localdomain 2.6.18-194.17.1.el5 #1 SMP Wed Sep 29
12:50:31 EDT 2010 x86_64 x86_64 x86_64 GNU/Linux