From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Wed, 7 May 2025 12:44:22 +0000 (+0900)
Subject: units: enable IgnoreOnIsolate=yes on systemd-udevd-kernel.socket
X-Git-Tag: v258-rc1~671
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=676fb42aaec60281651368f083abb3cbaf3c7dc2;p=thirdparty%2Fsystemd.git

units: enable IgnoreOnIsolate=yes on systemd-udevd-kernel.socket

Otherwise, initrd-cleanup.service requests isolation thus the socket
is stopped before switching root, and several early events after
switching root may be lost.
---

diff --git a/units/systemd-udevd-kernel.socket b/units/systemd-udevd-kernel.socket
index 0d46043e2fb..d337b06ea0d 100644
--- a/units/systemd-udevd-kernel.socket
+++ b/units/systemd-udevd-kernel.socket
@@ -14,6 +14,11 @@ DefaultDependencies=no
 Before=sockets.target
 ConditionPathIsReadWrite=/sys
 
+# To prevent loss of kernel events from isolate requests. This is important on
+# switching root, as otherwise the unit is stopped by initrd-cleanup.service,
+# and several early events after switching root may be lost.
+IgnoreOnIsolate=yes
+
 [Socket]
 Service=systemd-udevd.service
 ReceiveBuffer=128M