[Bug 1767896] Re: Live 18.04 with broken seed causes snapd high CPU usage

[Chen-Han Hsiao (Stanley)]

** Also affects: ubuntu-meta (Ubuntu)
   Importance: Undecided
       Status: New

** Changed in: ubuntu-meta (Ubuntu)
       Status: New => Confirmed

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Title:
  Live 18.04 with broken seed causes snapd high CPU usage

Status in OEM Priority Project:
  Confirmed
Status in snapd package in Ubuntu:
  Won't Fix
Status in ubuntu-meta package in Ubuntu:
  Confirmed

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.

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