Bug 2013056

Summary:	VDO devices may issue empty flush bios to underlying storage while suspended.
Product:	Red Hat Enterprise Linux 8	Reporter:	corwin <corwin>
Component:	kmod-kvdo	Assignee:	corwin <corwin>
Status:	CLOSED ERRATA	QA Contact:	Filip Suba <fsuba>
Severity:	low	Docs Contact:
Priority:	unspecified
Version:	---	CC:	awalsh, cwei, fsuba
Target Milestone:	rc	Keywords:	Triaged
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	6.2.7.5	Doc Type:	If docs needed, set a value
Doc Text:		Story Points:	---
Clone Of:
Clones:	2013057 (view as bug list)		Environment:
Last Closed:	2022-11-08 10:54:31 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:
Bug Depends On:
Bug Blocks:	2013057

Description corwin 2021-10-12 01:10:14 UTC

Description of problem:

There is a rare race which could cause a VDO device to issue an empty flush
bio to the underlying storage after the VDO has been suspended.

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


How reproducible:
Difficult, this issue was discovered by inspection, we do not have a reproducer.

Steps to Reproduce:
1.
2.
3.

Actual results:


Expected results:


Additional info:

Comment 4 Filip Suba 2022-08-05 06:32:39 UTC

Verified with kmod-kvdo-6.2.7.17-86.el8.

Comment 6 errata-xmlrpc 2022-11-08 10:54:31 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 (kmod-kvdo bug fix and enhancement update), and where to find the updated
files, follow the link below.

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

https://access.redhat.com/errata/RHBA-2022:7778