[Bug 1497420] Re: systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

[Launchpad Bug Tracker]

This bug was fixed in the package lxc - 1.1.5-0ubuntu0.15.10.3

---
lxc (1.1.5-0ubuntu0.15.10.3) wily-proposed; urgency=medium

  * Cherry-pick from upstream:
- Fix preserve_ns to work on < 3.8 kernels. (LP: #1516971)
- Fix process title rewrite to not mangle the environment. (LP: #1517107)

lxc (1.1.5-0ubuntu0.15.10.2) wily-proposed; urgency=medium

  * Cherry-pick from upstream:
- Fix ubuntu-cloud template to detect compression algorithm instead
  of hardcoding xz. Also update list of supported releases and use trusty
  as the fallback release. (LP: #1515463)
  * Update lxc-tests description to make it clear that this package is
meant to be used by developers and by automated testing.

lxc (1.1.5-0ubuntu0.15.10.1) wily-proposed; urgency=medium

  * New upstream bugfix release (MRE) (1.1.5)
(LP: #1497420, LP: #1441068, LP: #1466458, LP: #1510619)
  * Drop proxy detection from the autopkgtest exercise script.

 -- Stéphane Graber   Wed, 18 Nov 2015 13:40:28
-0500

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Title:
  systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

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[Bug 1497420] Re: systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

[Launchpad Bug Tracker]

This bug was fixed in the package lxc - 1.1.5-0ubuntu0.15.04.3

---
lxc (1.1.5-0ubuntu0.15.04.3) vivid-proposed; urgency=medium

  * Cherry-pick from upstream:
- Fix preserve_ns to work on < 3.8 kernels. (LP: #1516971)
- Fix process title rewrite to not mangle the environment. (LP: #1517107)

lxc (1.1.5-0ubuntu0.15.04.2) vivid-proposed; urgency=medium

  * Cherry-pick from upstream:
- Fix ubuntu-cloud template to detect compression algorithm instead
  of hardcoding xz. Also update list of supported releases and use trusty
  as the fallback release. (LP: #1515463)
  * Update lxc-tests description to make it clear that this package is
meant to be used by developers and by automated testing.

lxc (1.1.5-0ubuntu0.15.04.1) vivid-proposed; urgency=medium

  * New upstream bugfix release (MRE) (1.1.5)
(LP: #1497420, LP: #1436723, LP: #1441068, LP: #1504496,
 LP: #1466458, LP: #1510619)
  * Drop proxy detection from the autopkgtest exercise script.

 -- Stéphane Graber   Wed, 18 Nov 2015 13:41:23
-0500

** Changed in: lxc (Ubuntu Vivid)
   Status: Fix Committed => Fix Released

** Changed in: lxc (Ubuntu Wily)
   Status: Fix Committed => Fix Released

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Title:
  systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

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[Bug 1497420] Re: systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

[Stéphane Graber]

** Tags removed: verification-needed
** Tags added: verification-done

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Title:
  systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

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[Bug 1497420] Re: systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

[Chris J Arges]

Hello Chris, or anyone else affected,

Accepted lxc into wily-proposed. The package will build now and be
available at
https://launchpad.net/ubuntu/+source/lxc/1.1.5-0ubuntu0.15.10.3 in a few
hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to
enable and use -proposed.  Your feedback will aid us getting this update
out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, and change the tag
from verification-needed to verification-done. If it does not fix the
bug for you, please add a comment stating that, and change the tag to
verification-failed.  In either case, details of your testing will help
us make a better decision.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance!

** Tags removed: verification-done

** Tags added: verification-needed

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Title:
  systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

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[Bug 1497420] Re: systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

[Chris West]

Yep, fixed.

With wily-proposed enabled,

# apt-get install lxc

installs:
2015-11-15 11:29:28 status installed liblxc1:amd64 1.1.5-0ubuntu0.15.10.2
2015-11-15 11:29:29 status installed python3-lxc:amd64 1.1.5-0ubuntu0.15.10.2
2015-11-15 11:29:30 status installed lxc:amd64 1.1.5-0ubuntu0.15.10.2

... and, immediately, lxc works as I expected.

I can confirm reboot is still broken, as per bug 1514690 , but this
doesn't matter for my usecase, so woo, thanks.

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Title:
  systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

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[Bug 1497420] Re: systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

[Martin Pitt]

** Tags removed: verification-needed
** Tags added: verification-done

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Title:
  systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

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[Bug 1497420] Re: systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

[Chris J Arges]

Hello Chris, or anyone else affected,

Accepted lxc into vivid-proposed. The package will build now and be
available at
https://launchpad.net/ubuntu/+source/lxc/1.1.5-0ubuntu0.15.04.2 in a few
hours, and then in the -proposed repository.

Please help us by testing this new package.  See
https://wiki.ubuntu.com/Testing/EnableProposed for documentation how to
enable and use -proposed.  Your feedback will aid us getting this update
out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug,
mentioning the version of the package you tested, and change the tag
from verification-needed to verification-done. If it does not fix the
bug for you, please add a comment stating that, and change the tag to
verification-failed.  In either case, details of your testing will help
us make a better decision.

Further information regarding the verification process can be found at
https://wiki.ubuntu.com/QATeam/PerformingSRUVerification .  Thank you in
advance!

** Also affects: lxc (Ubuntu Vivid)
   Importance: Undecided
   Status: New

** Also affects: cgmanager (Ubuntu Vivid)
   Importance: Undecided
   Status: New

** Also affects: lxcfs (Ubuntu Vivid)
   Importance: Undecided
   Status: New

** Changed in: lxc (Ubuntu Vivid)
   Status: New => Fix Committed

** Tags added: verification-needed

** Also affects: lxc (Ubuntu Wily)
   Importance: Undecided
   Status: New

** Also affects: cgmanager (Ubuntu Wily)
   Importance: Undecided
   Status: New

** Also affects: lxcfs (Ubuntu Wily)
   Importance: Undecided
   Status: New

** Changed in: lxc (Ubuntu Wily)
   Status: New => Fix Committed

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Title:
  systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

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[Bug 1497420] Re: systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

[Launchpad Bug Tracker]

This bug was fixed in the package lxc - 1.1.5-0ubuntu1

---
lxc (1.1.5-0ubuntu1) xenial; urgency=medium

  * New upstream bugfix release (1.1.5)
(LP: #1514558, LP: #1497420, LP: #1466458, LP: #1510619)
  * Drop proxy detection from the autopkgtest exercise script.

 -- Stéphane Graber   Mon, 09 Nov 2015 14:22:16
-0500

** Changed in: lxc (Ubuntu)
   Status: In Progress => Fix Released

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Title:
  systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

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[Bug 1497420] Re: systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

[Martin Pitt]

That did not fix reboot yet. I filed bug 1514690 as it's a different
root cause apparenlty.

@Serge: there's nothing that should "stick around", it's a reboot after
all and everything including pid 1 gets restarted. It just seems that
the second boot can't create the init.scope cgroup as the "outside" host
still has some state from the first boot?

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Title:
  systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

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[Bug 1497420] Re: systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

[Stéphane Graber]

** Changed in: lxc (Ubuntu)
   Status: Triaged => In Progress

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Title:
  systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

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Re: [Bug 1497420] Re: systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

[Serge Hallyn]

Hi Martin,

thanks for that info.  During a reboot, lxc deletes the container's
cgroup, then recreates it.  Is systemd expecting the cgroup it
previously created to stick around?

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Title:
  systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

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[Bug 1497420] Re: systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

[Martin Pitt]

FTR, I tried the above lxc patch locally, and it does not resolve the
reboot bug in a xenial container. I. e. "sudo reboot" in such a
container still fails during very early boot due to a cgroup setup
error.

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  systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

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[Bug 1497420] Re: systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

[Martin Pitt]

Specifically, the output is

Rebooting.
systemd 227 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK 
+SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT +GNUTLS +ACL +XZ -LZ4 +SECCOMP +BLKID 
-ELFUTILS +KMOD -IDN)
Detected virtualization lxc.
Detected architecture x86-64.

Welcome to Ubuntu 16.04!

Set hostname to .
Failed to install release agent, ignoring: No such file or directory
Failed to create /lxc/adt-xenial/init.scope control group: No such file or 
directory
Failed to allocate manager object: No such file or directory
[!!] Failed to allocate manager object, freezing.
Freezing execution.


During that time, I get the following errors:

Nov 09 08:42:31 donald cgmanager[864]: cgmanager: Invalid path 
/run/cgmanager/fs/none,name=systemd///lxc/adt-xenial/init.scope (No such file 
or directory)
Nov 09 08:42:31 donald cgmanager[864]: cgmanager:list_children_main: Could not 
determine the requested cgroup (name=systemd:lxc/adt-xenial/init.scope)
Nov 09 08:42:31 donald cgmanager[864]: cgmanager: Invalid path 
/run/cgmanager/fs/none,name=systemd///lxc/adt-xenial/init.scope (No such file 
or directory)
Nov 09 08:42:31 donald cgmanager[864]: cgmanager:list_keys_main: Could not 
determine the requested cgroup (name=systemd:lxc/adt-xenial/init.scope)
Nov 09 08:42:31 donald lxcfs[882]: ** (process:882): WARNING **: cgmanager 
method call org.linuxcontainers.cgmanager0_0.ListChildren failed: 
GDBus.Error:org.freedesktop.DBus.Error.InvalidArgs: invalid request.  Use 
G_DBUS_DEBUG=message for more info.
Nov 09 08:42:31 donald lxcfs[882]: ** (process:882): WARNING **: cgmanager 
method call org.linuxcontainers.cgmanager0_0.ListKeys failed: 
GDBus.Error:org.freedesktop.DBus.Error.InvalidArgs: invalid request.  Use 
G_DBUS_DEBUG=message for more info.

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Title:
  systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

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[Bug 1497420] Re: systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

[Bug Watch Updater]

** Changed in: docker (Debian)
   Status: Confirmed => Fix Released

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  systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

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[Bug 1497420] Re: systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

[Timo Jyrinki]

This affects running xenial Ubuntu now from 14.04 LTS.

Package versions:
cgmanager 0.39-2ubuntu2~ubuntu14.04.1~ppa1
liblxc1   
1.1.4-0ubuntu1.1~ubuntu14.04.1   
lxc   
1.1.4-0ubuntu1.1~ubuntu14.04.1   
lxcfs 
0.11-0ubuntu3~ubuntu14.04.1  
python3-lxc   
1.1.4-0ubuntu1.1~ubuntu14.04.1

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Title:
  systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

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[Bug 1497420] Re: systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

[Serge Hallyn]

Yup, we need

https://github.com/lxc/lxc/commit/f348e47c93568b4f0c371cf5df1c98d4e816a86c

in the packages.

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  systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

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[Bug 1497420] Re: systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

[Martin Pitt]

** Package changed: systemd (Debian) => docker (Debian)

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  systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

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[Bug 1497420] Re: systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

[Bug Watch Updater]

** Changed in: docker (Debian)
   Status: New => Confirmed

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  systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

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[Bug 1497420] Re: systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

[Launchpad Bug Tracker]

This bug was fixed in the package lxcfs - 0.10-0ubuntu2

---
lxcfs (0.10-0ubuntu2) wily; urgency=medium

  * Allow systemd to escape its custom cgroup.  (LP: #1497420)

 -- Serge Hallyn   Thu, 15 Oct 2015 08:56:13
-0500

** Changed in: lxcfs (Ubuntu)
   Status: In Progress => Fix Released

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  systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

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[Bug 1497420] Re: systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

[Launchpad Bug Tracker]

** Branch linked: lp:ubuntu/wily-proposed/lxcfs

** Branch linked: lp:ubuntu/wily-proposed/cgmanager

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  systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

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[Bug 1497420] Re: systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

[Serge Hallyn]

** Also affects: cgmanager (Ubuntu)
   Importance: Undecided
   Status: New

** Changed in: cgmanager (Ubuntu)
   Status: New => In Progress

** Changed in: lxc (Ubuntu)
   Status: New => Invalid

** Changed in: lxcfs (Ubuntu)
   Status: New => In Progress

** Changed in: cgmanager (Ubuntu)
   Importance: Undecided => High

** Changed in: lxcfs (Ubuntu)
   Importance: Undecided => High

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Title:
  systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

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[Bug 1497420] Re: systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

[Serge Hallyn]

lxc-attach still needs a fix to do the same thing - ignore a trailing
/init.scope in the init pid's cgroup.

** Changed in: lxc (Ubuntu)
   Status: Invalid => Triaged

** Changed in: lxc (Ubuntu)
   Importance: Undecided => High

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  systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

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[Bug 1497420] Re: systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

[Launchpad Bug Tracker]

This bug was fixed in the package cgmanager - 0.39-2ubuntu2

---
cgmanager (0.39-2ubuntu2) wily; urgency=medium

  * Allow systemd to escape its custom cgroup.  (LP: #1497420)

 -- Serge Hallyn   Thu, 15 Oct 2015 09:00:25
-0500

** Changed in: cgmanager (Ubuntu)
   Status: In Progress => Fix Released

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Title:
  systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

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[Bug 1497420] Re: systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

[Launchpad Bug Tracker]

** Branch linked: lp:ubuntu/cgmanager

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Title:
  systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

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Re: [Bug 1497420] Re: systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

[Serge Hallyn]

Hi,

I'm hoping to fix this with a cgmanager patch to tasks to escape
'init.scope'.  I don't want the list of escapable cgroups to keep
growing, so we'll need to come up with something better long-term.

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Title:
  systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

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[Bug 1497420] Re: systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

[Martin Pitt]

** Summary changed:

- systemd 226-2 (debian sid) breaks lxc-attach
+ systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

** Package changed: systemd (Ubuntu) => lxcfs (Ubuntu)

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Title:
  systemd 226 (moving pid 1 into /init.scope cgroup) breaks lxc-attach

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