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ziplex/fix-ubuntu-with-kernal-boot-options.sh

Forked from donrestarone/fix-ubuntu-with-kernal-boot-options.sh
Created August 28, 2020 18:49
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fixing ubuntu system lockups with Ryzen CPU's
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fix-ubuntu-with-kernal-boot-options.sh
# open the boot parameters file for the linux kernal
sudo nano /etc/default/grub
# we will be editing the 'GRUB_CMDLINE_LINUX_DEFAULT' key
#set it to
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash processor.max_cstate=1 rcu_nocbs=0-11"
# test for a while and then set it to 5 if all is well
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash processor.max_cstate=5 rcu_nocbs=0-11"
# once the edits are done, save the file and update the GRUB config file like so
sudo update-grub
# to verify that the kernal booted with your specified options. you can run this command after reboot
cat /proc/cmdline
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