New answers tagged acpi
I'm having similar issues with my Acer... In my searching, I found suggestions to blacklist some drivers. In particular, dw_mac and dw_mac_core. Try this... echo "blacklist dw_dmac" | sudo tee -a /etc/modprobe.d/blacklist.conf echo "blacklist dw_dmac_core" | sudo tee -a /etc/modprobe.d/blacklist.conf I suggest this because of the "dw_mac... invalid ...
this question was solved here: http://unix.stackexchange.com/q/1974 you just need to add that command like echo -e "\a" to execution of power button event. it uses "beep" package, so you should install it before sudo apt-get install beep
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