I've seen the scrn_timer() one too:
Expensive timeout(9) function: 0xc049b3f0(0xc0657200) 0.003659743 c049b3f0 t scrn_timer as well as uma_timeout(). Expensive timeout(9) function: 0xc047c6b0(0) 0.002146136 c047c6b0 t uma_timeout Bill To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-current" in the body of the message