From da79b553b6d5a06d5e25b061b65df9d947dc5fbd Mon Sep 17 00:00:00 2001
From: Daniel Drake <dsd@laptop.org>
Date: Thu, 21 Jun 2012 21:20:26 +0000
Subject: base: avoid wtmp games (#11952)

runin testing found a shutdown race. Avoid this issue by not updating
wtmp, which we don't persist anyway.
---
diff --git a/modules/base/kspost.10.core.inc b/modules/base/kspost.10.core.inc
index 712c50f..33d267f 100644
--- a/modules/base/kspost.10.core.inc
+++ b/modules/base/kspost.10.core.inc
@@ -251,3 +251,8 @@ cat >> /lib/systemd/system-shutdown/olpc_shutdown.sh <<EOF
 /usr/bin/mount -o remount,ro /
 EOF
 chmod a+x /lib/systemd/system-shutdown/olpc_shutdown.sh
+
+# wtmp updating is racy on shutdown (#11952)
+# Disable it, it's not interesting for us
+rm -f /var/log/wtmp
+ln -s /dev/null /etc/systemd/system/systemd-update-utmp-shutdown.service
--
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