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Bug 834594 - 'sosreport' is using deprecated sysctl (syscall) net.ipv6.neigh.default.retrans_time; Use net.ipv6.neigh.default.retrans_time_ms instead
Summary: 'sosreport' is using deprecated sysctl (syscall) net.ipv6.neigh.default.retra...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 6
Classification: Red Hat
Component: sos
Version: 6.3
Hardware: Unspecified
OS: Unspecified
medium
unspecified
Target Milestone: rc
: ---
Assignee: Bryn M. Reeves
QA Contact: David Kutálek
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2012-06-22 14:16 UTC by Subhendu Ghosh
Modified: 2018-12-02 16:50 UTC (History)
7 users (show)

Fixed In Version: sos-2.2-30.el6
Doc Type: Bug Fix
Doc Text:
Cause: The sosreport command's networking module collects various data from the kernel's sysctl configuration found in /proc/sys/net. Certain legacy paths in this directory are deprecated but maintained for compatibility reasons. Accessing these files generates a warning in the kernel logs. Consequence: Running sosreport on systems having deprecated sysctls would generate warnings as sos accessed these paths. Fix: Sos now includes a blacklist for forbidden paths in this directory. No diagnostic information is lost since the content of these files is now provided under different parameter names that are already included in the report. Result: Full diagnostic information is now collected from the /proc/sys/net directory without generating unnecessary warnings in the system logs.
Clone Of:
Environment:
Last Closed: 2013-02-21 10:58:18 UTC
Target Upstream Version:
Embargoed:


Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHBA-2013:0474 0 normal SHIPPED_LIVE sos bug fix and enhancement update 2013-02-20 21:06:54 UTC

Description Subhendu Ghosh 2012-06-22 14:16:04 UTC
Description of problem:
RHEL 6.3 - running sosreport generates a warning about sysctl 

process `sosreport' is using deprecated sysctl (syscall) net.ipv6.neigh.default.retrans_time; Use net.ipv6.neigh.default.retrans_time_ms instead.


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

sos-2.2-29.el6.noarch

How reproducible:
always


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


Expected results:


Additional info:

Comment 1 Bryn M. Reeves 2012-06-22 14:31:08 UTC
Thanks for the report - these two are strict synonyms (if you modify one the change is reflected in the other) so there is no loss of diagnostic data if we switch to retrans_time_ms.

We're working on changing proc and sys collection upstream (should land in F18) to support blacklists which would handle this case.

For now I'll look at adding a forbidden path for this specific sysctl (and also do a grep on RHEL6 kernel git to see if we have any others needing this treatment).

Comment 2 Jan Pokorný [poki] 2012-08-17 13:14:13 UTC
(confirming the reproducibility, just hit this exact instance)

Comment 3 Jan Pokorný [poki] 2012-08-17 13:16:59 UTC
The warning message can be found in syslog sink (/var/log/messages)
with kernel as its origin.

Comment 12 errata-xmlrpc 2013-02-21 10:58:18 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-2013-0474.html


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