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I recently deleted windows and installed Ubuntu 17.04 on my laptop Acer Aspire e 15. Everything was fine the 1st day. I set up everything, installed some programs, adjusted some settings.

On the second day the system started to freeze. I can't use my laptop for more than 10 minutes without it freezing. I can't move the mouse or use the keyboard and I have to force shutdown.

I tried a solution I found to edit the file /etc/default/grub but it didn't work.

What else can I try?

Here is the syslog file. The system crashed 22:24:48

Aug 28 22:21:30 insinsidious-Aspire-E5-523G anacron[839]: Job `cron.weekly' terminated
Aug 28 22:24:34 insinsidious-Aspire-E5-523G kernel: [  873.881575] AMD-Vi: Completion-Wait loop timed out
Aug 28 22:24:34 insinsidious-Aspire-E5-523G kernel: [  874.033248] AMD-Vi: Completion-Wait loop timed out
Aug 28 22:24:34 insinsidious-Aspire-E5-523G kernel: [  874.034339] AMD-Vi: Event logged [
Aug 28 22:24:34 insinsidious-Aspire-E5-523G kernel: [  874.034343] IO_PAGE_FAULT device=03:00.0 domain=0x0001 address=0x00000000ff4140c0 flags=0x0050]
Aug 28 22:24:34 insinsidious-Aspire-E5-523G keAug 28 22:26:19 insinsidious-Aspire-E5-523G rsyslogd: [origin software="rsyslogd" swVersion="8.16.0" x-pid="732" x-info="http://www.rsyslog.com"] start
Aug 28 22:26:19 insinsidious-Aspire-E5-523G rsyslogd-2222: command 'KLogPermitNonKernelFacility' is currently not permitted - did you already set it via a RainerScript command (v6+ config)? [v8.16.0 try http://www.rsyslog.com/e/2222 ]
heynnema
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TOnyMontana
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    what did you do to /etc/default/grub? This System freezes completely with Intel Bay Trail? If it's not a Bay Trail processor, that won't work. I think you need to tell us your graphics card and CPU. – Zanna Aug 28 '17 at 16:31
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    First you need to identify your hardware, could be anything from a poor graphics driver to a bad hard drive to a bad wireless driver. Second you need to describe what you mean by "adjusted some settings" . Third sounds as if you may be making things worse, what and why are you editing /etc/default/grub ? To what end and why ? – Panther Aug 28 '17 at 16:34
  • i edited file and changed GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" to GRUB_CMDLINE_LINUX_DEFAULT="quiet splash intel_idle.max_cstate=1" – TOnyMontana Aug 28 '17 at 16:40
  • and did you run sudo update-grub after doing so? – Zanna Aug 28 '17 at 16:49
  • About my hardware: 8GB RAM - AMD DUAL CORE A9-9410 UP TO 3.5GHZ - AMD RADEON R5 M430 2GB – TOnyMontana Aug 28 '17 at 16:49
  • No i didn't should i run it now? – TOnyMontana Aug 28 '17 at 16:50
  • I didn't change any sensitive settings just typical settings like apearence mouse keyboard etc. As i said i am really begginer and i dont know how to use this os yet. Also i noticed that everytime it crashed i was using mozilla or chromium – TOnyMontana Aug 28 '17 at 16:55
  • Freezing is difficult to debug. See https://help.ubuntu.com/community/DebuggingSystemCrash . I would start by running firefox / chromium from the terminal and look in the logs for errors. See also https://askubuntu.com/questions/186276/where-are-all-the-major-log-files-located – Panther Aug 28 '17 at 17:12
  • I suggest you to do this: 1) Boot up your system, and annotate exact time "hh:mm:ss" of freezing. 2) Boot with live Ubuntu, go to /var/log/syslog from your laptop hd and look what happened at this very time. If you prefer, post it here. – Redbob Aug 28 '17 at 17:31
  • @TOnyMontana any time you change /etc/default/grub you need to run sudo update-grub, so that the configuration will be written to GRUB's script. If you don't do it, the changes to the file have no effect – Zanna Aug 28 '17 at 20:55
  • Thanks for your respond. :) i post the syslog you told me, take a look if you can – TOnyMontana Aug 28 '17 at 21:30
  • 8G RAM... how much swap? Show me free -h and swapon -s. Ping me at @heynnema when you have this info. Undo the change you made to /etc/default/grub, as it is only if you had an Intel processor... and you don't. – heynnema Aug 28 '17 at 23:42
  • @heynnema The swap partition is 7.46GB and it's all unused as gparted says.. – TOnyMontana Aug 29 '17 at 06:47
  • @TOnyMontana see https://ubuntuforums.org/showthread.php?t=2289346 – heynnema Aug 29 '17 at 13:31
  • @TOnyMontana I think I have exactly the same issue, every time it crashes I was browsing the web in Opera. I wonder if you have found a solution or the root cause to it? I have AMD Ryzen 1600 + nVidia 1060 as my desktop. Thanks! – Yibin Lin Dec 04 '17 at 05:37

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