[Bug 2057792] Re: Some Games are crashing linked to a vm_max_map_count too low

[Julian Andres Klode]

Subscribing Canonical desktop team to get their input.

Basically the ask is to ship this file:

https://src.fedoraproject.org/rpms/systemd/blob/f39/f/10-map-count.conf

I believe if we do it should be shipped in procps; or possibly, gamemode
should set that option?

** Also affects: procps (Ubuntu)
   Importance: Undecided
       Status: New

** Also affects: gamemode (Ubuntu)
   Importance: Undecided
       Status: New

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Title:
  Some Games are crashing linked to a vm_max_map_count too low

Status in Ubuntu:
  Confirmed
Status in gamemode package in Ubuntu:
  New
Status in linux package in Ubuntu:
  Confirmed
Status in procps package in Ubuntu:
  New

Bug description:
  Hello there,

  I submit this request to improve the gaming experience in ubuntu for all users. 
  Today, Hogwarts Legacy, Star Citizen and few more games are crashing or just not starting because the vm_max_map_count is locked at 65530. If we change this value to a value > 200000, all games are working well and there is no bug linked to maps. 

  Some others distribution like Fedora or Pop OS, have already made the
  change few month before.

  It's time to Ubuntu to makes the change also.

  Thanks in advance for applying this request.

  How to make this change :

  One file to modify : 
  /etc/sysctl.conf
  Add this line :
  vm.max_map_count=2147483642
  Save
  Reboot and enjoy

  Best Regards
  Vinceff

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