[Bug 1985887] Re: systemd kills gnome-shell or gnome-terminal if gnome-terminal uses much memory (50% over 20s)

[jeremyszu]

It's interesting.
I would like to reproduce your scenario on my side.

Would you please share:
1. "ionice -c3 nice cp -a SRC DST" is mandatory? Does it reproducible through a normal "cp -a"?
2. What's the fail rate?
3. Would you please share the data type from "SRC"? a single large 29,613MB file? or a lot of small files? or 300MB * 100 files?

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https://bugs.launchpad.net/bugs/1985887

Title:
  systemd kills gnome-shell or gnome-terminal if gnome-terminal uses
  much memory (50% over 20s)

Status in OEM Priority Project:
  Invalid
Status in systemd package in Ubuntu:
  Incomplete

Bug description:
  [Steps to reproduce]
  0. Install Jammy image
  1. open gnome terminal
  2. issue stress_ng or Canonical certification tool checkbox as
  "checkbox-cli run com.canonical.certification::memory/memory_stress_ng"
  or
  "stress-ng --stack 0 --timeout 300"
  3. Terminal or Gnome-shell will be killed by systemd-oomd

  It's because all stressors are under same cgroup belongs to terminal.

  Both Wayland and Xorg can reproduce.

  over ssh and in multi-user.target work good.

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