On Fri, 2011-02-11 at 16:25 +0800, Ng Oon-Ee wrote: > On Fri, 2011-02-11 at 16:18 +0800, Thomas Dean wrote: > > > > > > It probably loads the pcspkr module. Adding !pcspkr to the modules array > > > in rc.conf might fix it. Otherwise, a rmmod pcspkr in a post-sleep hook > > > in /etc/pm/sleep.d/50-pcspkr (chmod +x it) might workaround it. > > > > The only mudule I load is cpufreq. > > You need to blacklist pcspkr > Thank you. Could you please describe what pcspkr is used for? Will there be any problem arising after I blacklist it.