Bug 731916

Summary:	kernel crash
Product:	Red Hat Enterprise Linux 6	Reporter:	tirupathi <t.tirupathi>
Component:	kernel	Assignee:	Prarit Bhargava <prarit>
Status:	CLOSED INSUFFICIENT_DATA	QA Contact:	Red Hat Kernel QE team <kernel-qe>
Severity:	high	Docs Contact:
Priority:	unspecified
Version:	6.0
Target Milestone:	rc
Target Release:	---
Hardware:	x86_64
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2011-09-29 12:32:20 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:

Description tirupathi 2011-08-19 04:28:02 UTC

Description of problem:while installing a third party device driver for allocating DMA of size 4 GB from 23GB location of 32 GB RAM, where os is of 22 GB allocation. Same thing is working in RHEL 5.0.


Version-Release number of selected component (if applicable):kernel version : 2.6.32


How reproducible:


Steps to Reproduce:
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Actual results:


Expected results:


Additional info:

Comment 2 tirupathi 2011-08-19 04:35:20 UTC

error: kernel crash
BUG: soft lockup-CPU#2
stuck for 61s![insmod:3539]


Description of problem:while installing a third party device driver for
allocating DMA of size 4 GB from 23GB location of 32 GB RAM, where os is of 22
GB allocation. Same thing is working in RHEL 5.0.


Version-Release number of selected component (if applicable):kernel version :
2.6.32

Comment 3 Prarit Bhargava 2011-08-26 15:26:13 UTC

Could you please provide the full text of the lockup?

Thanks,

P.