From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by mail.openembedded.org (Postfix) with ESMTP id 934AF7721C for ; Thu, 11 Aug 2016 18:15:17 +0000 (UTC) Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga103.fm.intel.com with ESMTP; 11 Aug 2016 11:15:18 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.28,506,1464678000"; d="scan'208";a="747462775" Received: from yctb02.ostc.intel.com (HELO yctb02.otcr.jf.intel.com) ([10.54.69.56]) by FMSMGA003.fm.intel.com with ESMTP; 11 Aug 2016 11:15:19 -0700 From: Alejandro Hernandez To: openembedded-core@lists.openembedded.org Date: Thu, 11 Aug 2016 18:12:02 +0000 Message-Id: <1470939122-32434-1-git-send-email-alejandro.hernandez@linux.intel.com> X-Mailer: git-send-email 2.6.6 Cc: Roy Li Subject: [PATCH][jethro] systemd: re-enable mount propagation for udevd X-BeenThere: openembedded-core@lists.openembedded.org X-Mailman-Version: 2.1.12 Precedence: list List-Id: Patches and discussions about the oe-core layer List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 11 Aug 2016 18:15:17 -0000 From: Roy Li 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) Signed-off-by: Roy Li Signed-off-by: Ross Burton Signed-off-by: Richard Purdie (cherry picked from commit f2092e67ea880301058396b831a9a18905317d0d) Signed-off-by: Alejandro Hernandez --- ...dev-re-enable-mount-propagation-for-udevd.patch | 31 ++++++++++++++++++++++ meta/recipes-core/systemd/systemd_225.bb | 1 + 2 files changed, 32 insertions(+) create mode 100644 meta/recipes-core/systemd/systemd/udev-re-enable-mount-propagation-for-udevd.patch 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 0000000..23e22d4 --- /dev/null +++ b/meta/recipes-core/systemd/systemd/udev-re-enable-mount-propagation-for-udevd.patch @@ -0,0 +1,31 @@ +From: Michael Biebl +Date: Sat, 27 Sep 2014 04:19:24 +0200 +Subject: udev: re-enable mount propagation for udevd + +Upstream-Status: Backport [http://http.debian.net/debian/pool/main/s/systemd/systemd_215-17+deb8u4.debian.tar.xz] + +laptop-mode-tools remounts file systems from within a udev rule to apply +certain mount options. With MountFlags=slave, those mounts then become private +to the systemd-udevd namespace and are no longer accessible from outside the +namespace. +While the root cause is the broken behaviour of laptop-mode-tools, with mount +propagation turned off, this can result in a read-only root file system. +Therefore revert the relevant parts from commit +c2c13f2df42e0691aecabe3979ea81cd7faa35c7 to re-enable mount propagation for +udevd. + +Once affected packages have been fixed, this patch should be dropped +again. + +Closes: #762018 +diff --git a/units/systemd-udevd.service.in b/units/systemd-udevd.service.in +index e7216d6..1e9a600 100644 +--- a/units/systemd-udevd.service.in ++++ b/units/systemd-udevd.service.in +@@ -21,6 +21,5 @@ Sockets=systemd-udevd-control.socket systemd-udevd-kernel.socket + Restart=always + RestartSec=0 + ExecStart=@rootlibexecdir@/systemd-udevd +-MountFlags=slave + KillMode=mixed + WatchdogSec=1min diff --git a/meta/recipes-core/systemd/systemd_225.bb b/meta/recipes-core/systemd/systemd_225.bb index 18c2448..a2122e0 100644 --- a/meta/recipes-core/systemd/systemd_225.bb +++ b/meta/recipes-core/systemd/systemd_225.bb @@ -46,6 +46,7 @@ SRC_URI = "git://github.com/systemd/systemd.git;protocol=git \ file://init \ file://run-ptest \ file://rules-whitelist-hd-devices.patch \ + file://udev-re-enable-mount-propagation-for-udevd.patch \ " SRC_URI_append_qemuall = " file://qemuall_io_latency-core-device.c-Change-the-default-device-timeout-to-2.patch" -- 2.6.6