Bug 632295

Summary:	Kernel panic after conversion of root fs from ext4 to btrfs
Product:	Red Hat Enterprise Linux 6	Reporter:	Zbysek MRAZ <zmraz>
Component:	kernel	Assignee:	Josef Bacik <jbacik>
Status:	CLOSED DUPLICATE	QA Contact:	Eryu Guan <eguan>
Severity:	high	Docs Contact:
Priority:	high
Version:	6.0	CC:	ebenes, eguan, lkocman, rwheeler
Target Milestone:	rc
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2011-01-10 16:32:25 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description Zbysek MRAZ 2010-09-09 15:48:35 UTC

Description of problem:
After conversion of root filesystem from ext4 to btrfs the kernel panics with 

kernel BUG at fs/btrfs/extent-tree.c:4362!


Confirmed from the developer, that there is missing patch.
kernel-2.6.32-71.el6.x86_64

Comment 4 RHEL Program Management 2010-10-05 01:59:57 UTC

This request was evaluated by Red Hat Product Management for inclusion
in a Red Hat Enterprise Linux maintenance release. Product Management has 
requested further review of this request by Red Hat Engineering, for potential
inclusion in a Red Hat Enterprise Linux Update release for currently deployed 
products. This request is not yet committed for inclusion in an Update release.

Comment 5 Josef Bacik 2011-01-10 16:32:25 UTC


*** This bug has been marked as a duplicate of bug 663749 ***

Comment 6 Zbysek MRAZ 2011-02-25 10:30:58 UTC

Just a note. I have just verified this using kernel-2.6.32-118.el6.x86_64 kernel. The system have to be selinux autorelabeled, but everything works as charm.
Thanks