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Bug 1283128

Summary: kdump interferes with parted
Product: Red Hat Enterprise Linux 7 Reporter: Stef Walter <stefw>
Component: kexec-toolsAssignee: kdump team <kdump-team-bugs>
Status: CLOSED DUPLICATE QA Contact: Kernel General QE <kernel-general-qe>
Severity: unspecified Docs Contact:
Priority: unspecified    
Version: 7.2CC: mhuang, mvollmer
Target Milestone: rc   
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2015-11-18 12:40:30 UTC Type: Bug
Regression: --- Mount Type: ---
Documentation: --- CRM:
Verified Versions: Category: ---
oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:

Description Stef Walter 2015-11-18 10:44:04 UTC
Description of problem:

Right after boot, kdump.service is busy for some time and during
that time parted fails when creating a new partition.

Workaround: systemctl disable kdump.service

Comment 1 Stef Walter 2015-11-18 10:44:40 UTC
Marius, could you provide further information here, including:

 * Version-Release number of selected component (if applicable):
 * How reproducible:
 * Steps to Reproduce:
 * Actual results:
 * Expected results:

Comment 3 Minfei Huang 2015-11-18 10:52:08 UTC
(In reply to Stef Walter from comment #0)
> Description of problem:
> 
> Right after boot, kdump.service is busy for some time and during
> that time parted fails when creating a new partition.

Does parted device is used by kdump service? Do you use the default kdump config (locates in /etc/kdump.conf) or modify the config? If so, could you mind pasting the config.

Thanks
Minfei

> 
> Workaround: systemctl disable kdump.service

Comment 4 Marius Vollmer 2015-11-18 12:40:30 UTC
This should be covered by bug 1283112.

kdump only interferes with parted in so far as it puts load on the system, which causes the race between parted and udevd to have a different winner.  I have reproduced bug 1283112 with a simple "while true; do true; done" loop to produce the load.

(I should have updated the comment in cockpit-rhel-7.setup after I figured this out.  Sorry about that.)

*** This bug has been marked as a duplicate of bug 1283112 ***