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Bug 961844 - after reboot cgred does not confine/move users' processes into relevant target...
Summary: after reboot cgred does not confine/move users' processes into relevant targe...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: libcgroup
Version: 6.4
Hardware: x86_64
OS: Linux
unspecified
high
Target Milestone: rc
: ---
Assignee: Peter Schiffer
QA Contact: Red Hat Kernel QE team
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2013-05-10 14:22 UTC by lejeczek
Modified: 2014-11-21 15:22 UTC (History)
3 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Cause: cgred service was starting too early in the boot process Consequence: some services might avoid restriction if started before the cgred service Fix: lower boot priority of cgred service Result: all services should be restricted correctly by cgred. Please note, that solution of this problem might change in the future versions of libcgroup.
Clone Of:
Environment:
Last Closed: 2013-11-21 22:33:37 UTC
Target Upstream Version:
Embargoed:


Attachments (Terms of Use)
libcgroup-0.37-cgred-order.patch (527 bytes, patch)
2013-08-27 17:41 UTC, Peter Schiffer
no flags Details | Diff


Links
System ID Private Priority Status Summary Last Updated
Red Hat Knowledge Base (Solution) 1275263 0 None None None Never
Red Hat Product Errata RHBA-2013:1685 0 normal SHIPPED_LIVE libcgroup bug fix and enhancement update 2013-11-20 21:52:29 UTC

Description lejeczek 2013-05-10 14:22:10 UTC
Description of problem:

.. but suffice to service cgred restart
and it behaves as intended/expected

so, each time system reboots and services start by init and users log in they are not being control
restart cgred and all it a ok
there in no indication in logs that something went wrong at system startup time


Version-Release number of selected component (if applicable):

2.6.32-358.2.1.el6.x86_64
libcgroup-0.37-7.1.el6.x86_64
pam-1.1.1-13.el6.x86_64

How reproducible:


Steps to Reproduce:
1.
2.
3.
  
Actual results:


Expected results:


Additional info:

Comment 2 lejeczek 2013-05-13 14:05:47 UTC
problematic appears to be userdb backend (slapd in my case)
fix is to reorder init, eg:
mv ./rc.d/rc3.d/S14cgred ./rc.d/rc3.d/S28cgred

in other words make sure cgred starts afterwards

or fix is for developers of cgroups to change rationale and reflect it in the code or maybe it's just a minor change

regards

Comment 3 Peter Schiffer 2013-08-27 17:41:04 UTC
Created attachment 791128 [details]
libcgroup-0.37-cgred-order.patch

Comment 6 Mike Gahagan 2013-09-19 19:49:51 UTC
Confirmed we are now starting cgred later in the boot process so it should start after slapd and related ldap services. Verified using version libcgroup-0.40.rc1-3.el6

Comment 7 errata-xmlrpc 2013-11-21 22:33:37 UTC
Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

http://rhn.redhat.com/errata/RHBA-2013-1685.html


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