kernel - Computer lock up troubleshooting tips/solutions? - Ask Ubuntu


i using hp 15 notebook pc ubuntu , computer locks on ridiculous level. it's @ least dozen times per day. i'm sure it's hardware problem @ point "guaranteed" customer care manufacturer refuses me because uninstalled windows pc (oops.) guess gotta fix end. out there have troubleshooting tips or solutions? appreciated.

update 1: advised use kernel param "intel_idle.max_cstate=1" fix issue intel bay trail /etc/default/grub

there current bug in intel bay-trail based devices involving frequent freezes, lockups , crashes, have intel cpu sleep states (c-states). current alternative, of kernel ~4.8, prevent cpu entering c-states deeper 1.

first, open /etc/default/grub

sudo gedit /etc/default/grub

find line containing quiet splash, , add intel_idle.max_cstate=1 directly following it:

quiet splash intel_idle.max_cstate=1

save , close.

then, run command:

sudo update-grub

and you're set!

unfortunately, fix dirty , results in far higher power consumption result of not allowing cpu sleep.


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