[Bug 1819728] Re: Please backport "fix race between daemon-reload and other commands #8803" to 16.04 (for UC16)
Michael Vogt
michael.vogt at canonical.com
Wed Mar 13 06:43:35 UTC 2019
** Patch added: "debdiff with a port of the fix in PR#8803 for bionic"
https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1819728/+attachment/5245782/+files/systemd_237-3ubuntu10.15.1.debdiff
** Summary changed:
- Please backport "fix race between daemon-reload and other commands #8803" to 16.04 (for UC16)
+ Please backport "fix race between daemon-reload and other commands #8803" to 16.04 (for UC16) and 18.04 (for UC18)
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https://bugs.launchpad.net/bugs/1819728
Title:
Please backport "fix race between daemon-reload and other commands
#8803" to 16.04 (for UC16) and 18.04 (for UC18)
Status in systemd package in Ubuntu:
New
Status in systemd source package in Xenial:
New
Status in systemd source package in Bionic:
New
Bug description:
On Ubuntu Core we recently hit the a race in daemon-reload and
systemctl twice. This race is fixed in systemd upstream: "fix race
between daemon-reload and other commands #8803".
To reproduce its enough to run:
for i in $(seq 50); do
systemctl daemon-reload &
systemctl start ssh &
done
This will result in "systemctl start ssh" hanging in ppoll. With the
patch applied the hangs go away.
This change is already in the systemd in cosmic+
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