Comment 42 for bug 1307648

I've just experienced the same bug this morning with snapped Chromium, fixed with `ibus exit`:

$ snap info chromium
name: chromium
summary: Chromium web browser, open-source version of Chrome
publisher: Canonical✓
store-url: https://snapcraft.io/chromium
contact: https://bugs.launchpad.net/ubuntu/+source/chromium-browser/+bugs?field.tag=snap
license: unset
description: |
  An open-source browser project that aims to build a safer, faster, and more stable way for all
  Internet users to experience the web.
commands:
  - chromium.chromedriver
  - chromium
snap-id: XKEcBqPM06H1Z7zGOdG5fbICuf8NWK5R
tracking: latest/stable
refresh-date: 5 days ago, at 14:13 GMT
channels:
  stable: 80.0.3987.100 2020-02-12 (1026) 160MB -
  candidate: 80.0.3987.100 2020-02-12 (1026) 160MB -
  beta: 80.0.3987.85 2020-02-04 (1014) 160MB -
  edge: 81.0.4044.17 2020-02-14 (1028) 161MB -
installed: 80.0.3987.100 (1026) 160MB -

$ env | grep IM_
CLUTTER_IM_MODULE=ibus
GTK_IM_MODULE=ibus
IM_CONFIG_PHASE=1
QT4_IM_MODULE=ibus
QT_IM_MODULE=ibus

$ uname -a
Linux morwanneg 5.4.0-14-generic #17-Ubuntu SMP Thu Feb 6 22:47:59 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux

$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu Focal Fossa (development branch)
Release: 20.04
Codename: focal