Red Hat Bugzilla – Bug 651168
[LTC 5.7 FEAT] Dump on panic - Prevent reipl loop
Last modified: 2011-07-21 03:51:47 EDT
1. Feature Overview:
Feature Id: 
a. Name of Feature: [LTC 5.7 FEAT] Dump on panic - Prevent reipl loop
b. Feature Description
This feature provides tooling, via a configuration (time delay for activation of this trigger) to
discourage a configuration of dump&ipl on panic that may lead into an infinite panic-dump-ipl loop.
A new keyword DELAY_MINUTES is introduced in the dumpconf configuration file. Using this keyword the
activation of dumpconf can be delayed in order to prevent potential re-IPL loops.
2. Feature Details:
Sponsor: LTC zSeries BOE
Architectures: zSeries - 64 native,
Arch Specificity: purely arch specific code
Affects Kernel Modules: No
Delivery Mechanism: Backport
Request Type: Package - Feature from Upstream
d. Upstream Acceptance: Accepted
Sponsor Priority P1
f. Severity: ship issue
IBM Confidential: No
Code Contribution: IBM code
g. Component Version Target: ---
h. Package - Feature from Upstream
3. Business Case
Improve serviceability of Linux kernel problems and prevent an infinite panic-dump-ipl loop-
4. Primary contact at Red Hat:
John Jarvis, email@example.com
5. Primary contacts at Partner:
Project Management Contact:
Hans-Georg Markgraf, firstname.lastname@example.org
Gonzalo Muelas Serrano, email@example.com
------- Comment From firstname.lastname@example.org 2011-02-04 08:53 EDT-------
The feature went upstream in to s390-tools 1.8.4
Created attachment 477018 [details]
------- Comment on attachment From email@example.com 2011-02-04 08:52 EDT-------
Summary: dumpconf: Prevent re-IPL loop for dump on panic.
Description: A new keyword DELAY_MINUTES is introduced in the dumpconf.
configuration file. Using this keyword the activation of dumpconf
can be delayed in order to prevent potential re-IPL loops.
This enhancement request was evaluated by the full Red Hat Enterprise Linux
team for inclusion in a Red Hat Enterprise Linux minor release. As a
result of this evaluation, Red Hat has tentatively approved inclusion of
this feature in the next Red Hat Enterprise Linux Update minor release.
While it is a goal to include this enhancement in the next minor release
of Red Hat Enterprise Linux, the enhancement is not yet committed for
inclusion in the next minor release pending the next phase of actual
code integration and successful Red Hat and partner testing.
------- Comment From firstname.lastname@example.org 2011-02-10 05:43 EDT-------
*** Bug 69884 has been marked as a duplicate of this bug. ***
Created attachment 478061 [details]
------- Comment on attachment From email@example.com 2011-02-10 05:42 EDT-------
Description: dumpconf: Add DELAY_MINUTES description to man page
Symptom: User has no online documentation for the DELAY_MINUTES keyword.
Problem: Description of the DELAY_MINUTES keyword is missing in dumpconf
Solution: Add description of DELAY_MINUTES keyword to dumpconf man page.
Also add some minor man page cleanups from upstream version.
------- Comment From firstname.lastname@example.org 2011-06-06 05:35 EDT-------
This feature is verified on R 5.7 beta 1 - set to verified Thx
An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.