Same issue
Rooted stock, installed CWM 5.5, then installed Maclaw's TWRP and finally CM11 2014-01-09 build.
No more capacitive buttons (even in TWRP).
Updated to CM11 2014-01-10, no change.
Moved to AOKP 2014-01-11, no change (full factory wiped).
Model: GT-I8190 (although it is actually...