[Bug 1767896] Re: Live images with broken seed causes snapd high CPU usage and periodic short GUI freezes

[Daniel van Vugt]

If the problem still happens in the final release of 18.10:
http://releases.ubuntu.com/18.10/ubuntu-18.10-desktop-amd64.iso

then yes this bug needs to be reopened. Or another one logged. But since
you are the original reporter, I would say reopen.

** Changed in: snapd (Ubuntu)
       Status: Won't Fix => New

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Title:
  Live images with broken seed causes snapd high CPU usage and periodic
  short GUI freezes

Status in OEM Priority Project:
  Fix Released
Status in snapd package in Ubuntu:
  New
Status in ubuntu-meta package in Ubuntu:
  Fix Released

Bug description:
  ThinkPad 25, UEFI mode, Ubuntu 18.04 installed as a _live_ distro in
  FAT32 partition on SATA SSD in WWAN slot.

  Grub options allow booting without persistence or with a 256MB
  persistence file.  Only thing "persisted" is TERM in favorites.

  Without persistence all is well. With persistence snapd uses up to 90%
  CPU - perhaps more - and cripples the system. Fan runs nearly full
  speed constantly.

  I can eliminate the problem by removing snapd - and that persists.
  Can't kill snapd.  PID is constantly changing.

  0% fan  and low CPU use at idle w/out snapd with persistence, or
  booted w/out persistence.

  WORKAROUND:
  sudo systemctl stop snapd

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