I got this in 21.04 (hirsute)
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https://bugs.launchpad.net/bugs/1254628
Title:
update-notifier crashed with SIGSEGV in rate_limiter_free()
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Still happens on 21.04. sudo systemctl stop fixes
it temporarily on my system. Restarting the computer did not help by the
way. Packagekitd was always starting at boot, not sure why. It works
sometimes though, not much critical and can be fixed by stopping
packagekitd but it always frustrates me.
