[Bug 1809556] Re: zram freezes computer

[Elvis de Freitas Souza]

https://launchpadlibrarian.net/402582121/ProcCpuinfo.txt

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https://bugs.launchpad.net/bugs/1809556

Title:
  zram freezes computer

Status in zram-config package in Ubuntu:
  New

Bug description:
  I bought a new setup and since then my computer is having random
  freezes, it stop respond until you make a hard reset (pressing reset
  button)

  * I noticed that this issue is more common when running java programs, i.e. Intellij, Spring Boot applications (I'm a java developer) and using chrome.
  * I also noticed issue is not related to high CPU usage

  Steps I did to reproduce the issues

  * Turned computer on
  * Started Intellij
  * Opened chrome and let a video playing
  * Started a java application with a considerable consume of memory (500MB)
  * Keep starting and stopping that application

  I did the following tests and had the same results

  * Tested on ubuntu 16.04, 18.04, 18.10 with it's original kernels, also tested on kernel 4.19
  * Tested with nouveau (With and without GPU installed)
  * Tested with Nvidia proprietary drivers
  * Tested with Nvidia ubuntu repository drivers
  * Installed latest BIOs
  * Removed one of my two memories

  Steps I did to stress my computer and got no issues

  * Ran memtest (got no issues)
  * Stressed my computer and RAM with stress tool (got not issues)

  Steps to fix the problem

  * apt purge -y zram-config
  * Restart the computer

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