Well, first of all: Thank you the mighty one, it is not SmartReflex causing device to reboot Man, are you sure you have that since you've upgraded to KP49?
# uname -a Linux casper 2.6.28.10-power49 #1 PREEMPT Mon Jan 2 12:47:51 EST 2012 armv7l unknown # dpkg -l | grep kernel-power ii kernel-power 1:2.6.28-10power49 Flashable Linux kernel (kernel power 2.6.28.10) ii kernel-power-bootimg 1:2.6.28-10power49 Linux kernel boot image (kernel power 2.6.28.10) ii kernel-power-flasher 1:2.6.28-10power49 Linux kernel updater (kernel power 2.6.28.10) ii kernel-power-modules 1:2.6.28-10power49 Linux kernel modules for kernel power 2.6.28.10 ii kernel-power-settings 0.13 Tools for the customization and overclock Linux kernel