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