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🔍 See Original Answer on Ask Ubuntu ⧉ 🔗
URL:
https://askubuntu.com/q/841467
Title:
Crashes on BayTrail device
ID:
/2016/10/25/Crashes-on-BayTrail-device
Created:
October 25, 2016
Edited: June 12, 2020
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September 15, 2024
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I read the link Zanna provided in comments but there is something else you should look at: Bay Trail Freezing. There are over 500 messages here from Bay Trail users (plus a few other Intel CPUs).
The messages start in December 2015 so scroll down 3rd from the end (as of October 24, 2016) and you will see this post:
Justin 2016-10-22 21:58:34 UTC
One week so far no crashes. 4.8.0-rc8-amd64
Options
GRUB_CMDLINE_LINUX_DEFAULT=intel_idle.max_cstate=5
In rc.local this script is run at boot...
-----
#!/bin/bash
echo 1 > /sys/devices/system/cpu/cpu0/cpuidle/state3/disable
echo 1 > /sys/devices/system/cpu/intel_pstate/no_turbo
thanks
I’ve read hundreds of these posts and some users can report “success” one day and the report back with “failed again!” a few days later. Above the author recommends Kernel version 4.8.0-rc8 but I would recommend using stable kernel version 4.8.4 instead. A summary for doing this is:
cd /tmp
wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.8.4/linux-headers-4.8.4-040804_4.8.4-040804.201610220733_all.deb
wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.8.4/linux-headers-4.8.4-040804-generic_4.8.4-040804.201610220733_amd64.deb
wget http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.8.4/linux-image-4.8.4-040804-generic_4.8.4-040804.201610220733_amd64.deb
sudo dpkg -i *.deb
sudo reboot
Note: Version 4.8.4 is the most current stable kernel as of October 24, 2016.
October 30, 2016 update
From today’s bug mail the following solution was proposed:
thorsten: Try the commands below, and report back. These eliminate hang ups on
my N2930 with kernel 4.7 (Gentoo).
First start kernel with: intel_idle.max_cstate=0
Then give these commands as root:
echo 1 > /sys/devices/system/cpu/intel_pstate/no_turbo
echo 1 > /sys/devices/system/cpu/cpu0/cpuidle/state3/disable
echo 1 > /sys/devices/system/cpu/cpu1/cpuidle/state3/disable
echo 1 > /sys/devices/system/cpu/cpu2/cpuidle/state3/disable
echo 1 > /sys/devices/system/cpu/cpu3/cpuidle/state3/disable