Bug 49140

Summary:	Installer hangs, requires "ide=nodma"
Product:	[Retired] Red Hat Linux	Reporter:	Need Real Name <paul>
Component:	kernel	Assignee:	Arjan van de Ven <arjanv>
Status:	CLOSED RAWHIDE	QA Contact:	Brock Organ <borgan>
Severity:	medium	Docs Contact:
Priority:	low
Version:	7.1	CC:	tao
Target Milestone:	---	Keywords:	FutureFeature
Target Release:	---
Hardware:	i686
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Enhancement
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2001-07-16 02:52:53 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 Need Real Name 2001-07-15 11:21:03 UTC

Description of Problem:
Installer hangs, requires "ide=nodma"

How Reproducible:
Very

Steps to Reproduce:
1. Try to install RH7.1
2. 
3. 

Actual Results:
Installer hangs

Expected Results:
Installer not hanging

Additional Information:
This report is submitted at the request of
http://lwn.net/2001/0712/a/rh-dma-exocore.php3

paul@bacon> cat /proc/ide/hdc/model
WPI CDD-820

Adding the "ide=nodma" flag caused the install to succeed.

Hope it helps.

Paul

Comment 1 Arjan van de Ven 2001-07-18 09:24:33 UTC

Thank you for the report. I've added your cdrom drive to the list of devices
that the kernel shouldn't try DMA on. (DMA is only tried on devices that
claim to support it, and that are not on the "blacklist").