linux-kernel - Mysterious delays on power-related events in userspace

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Message-ID: <20181219075500.mhdx2j5dy75kwgk7@l29ah-x201>
Date:   Wed, 19 Dec 2018 10:55:01 +0300
From:   L29Ah <l29ah@...k.li>
To:     linux-kernel@...r.kernel.org
Subject: Mysterious delays on power-related events in userspace

Hi all,

When i connect various USB devices or get different ACPI(?) events like opening/closing the lid (as seen by acpid) on my Thinkpad X230 with Linux-4.19.5, i get random delays (usually ~10s, but may also be ~20s and ~30s). USB-related messages show up in dmesg instantly as they should tho. This was occuring to me for a few years already. What can be wrong with my system?
eudev bug report: https://github.com/gentoo/eudev/issues/153

CC me please.

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