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-rw-r--r--meta/recipes-core/systemd/systemd/udev-re-enable-mount-propagation-for-udevd.patch31
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diff --git a/meta/recipes-core/systemd/systemd/udev-re-enable-mount-propagation-for-udevd.patch b/meta/recipes-core/systemd/systemd/udev-re-enable-mount-propagation-for-udevd.patch
new file mode 100644
index 0000000000..23e22d40e6
--- /dev/null
+++ b/meta/recipes-core/systemd/systemd/udev-re-enable-mount-propagation-for-udevd.patch
@@ -0,0 +1,31 @@
1From: Michael Biebl <biebl@debian.org>
2Date: Sat, 27 Sep 2014 04:19:24 +0200
3Subject: udev: re-enable mount propagation for udevd
4
5Upstream-Status: Backport [http://http.debian.net/debian/pool/main/s/systemd/systemd_215-17+deb8u4.debian.tar.xz]
6
7laptop-mode-tools remounts file systems from within a udev rule to apply
8certain mount options. With MountFlags=slave, those mounts then become private
9to the systemd-udevd namespace and are no longer accessible from outside the
10namespace.
11While the root cause is the broken behaviour of laptop-mode-tools, with mount
12propagation turned off, this can result in a read-only root file system.
13Therefore revert the relevant parts from commit
14c2c13f2df42e0691aecabe3979ea81cd7faa35c7 to re-enable mount propagation for
15udevd.
16
17Once affected packages have been fixed, this patch should be dropped
18again.
19
20Closes: #762018
21diff --git a/units/systemd-udevd.service.in b/units/systemd-udevd.service.in
22index e7216d6..1e9a600 100644
23--- a/units/systemd-udevd.service.in
24+++ b/units/systemd-udevd.service.in
25@@ -21,6 +21,5 @@ Sockets=systemd-udevd-control.socket systemd-udevd-kernel.socket
26 Restart=always
27 RestartSec=0
28 ExecStart=@rootlibexecdir@/systemd-udevd
29-MountFlags=slave
30 KillMode=mixed
31 WatchdogSec=1min