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systemd: re-enable mount propagation for udevd
With MountFlags=slave, those mounts then become private to the systemd-udevd
namespace and are no longer accessible from outside the namespace, which is
not expected
[YOCTO #8613]
(From OE-Core rev: 73f43d857fe0102033f25491007b6dbe3d5fa8ee)
(From OE-Core rev: f9c35dfc6601901664dbef2cba3a9b96bef96e64)
Signed-off-by: Roy Li <rongqing.li@windriver.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
(cherry picked from commit f2092e67ea
)
Signed-off-by: Alejandro Hernandez <alejandro.hernandez@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
parent
c9f0a99050
commit
c53ddb2006
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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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Upstream-Status: Backport [http://http.debian.net/debian/pool/main/s/systemd/systemd_215-17+deb8u4.debian.tar.xz]
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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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Once affected packages have been fixed, this patch should be dropped
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again.
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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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@ -50,6 +50,7 @@ SRC_URI = "git://github.com/systemd/systemd-stable;branch=v219-stable;protocol=g
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file://00-create-volatile.conf \
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file://00-create-volatile.conf \
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file://init \
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file://init \
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file://run-ptest \
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file://run-ptest \
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file://udev-re-enable-mount-propagation-for-udevd.patch \
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"
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"
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S = "${WORKDIR}/git"
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S = "${WORKDIR}/git"
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