CyanogenMod/android_frameworks_base — comment on commit b7fa41633ff6ef62caaa01a1856eeaaa3419c2f0
File:  line 0
By Whyzor:

Many users of my ROM still report side swiping notifications can hanging the phone sometimes & needs a reboot. Our phone is the Motorola Triumph. I use "clear" and never have freezing problems myself, so something's still causing problems with side swipes.