Bug 219219

Summary:	qla2xxx driver running IO on DM-MPIO devices cause "kernel: PCI-DMA: Out of SW-IOMMU space "
Product:	Red Hat Enterprise Linux 5	Reporter:	Pan Haifeng <pan_haifeng>
Component:	kernel-xen	Assignee:	Rik van Riel <riel>
Status:	CLOSED DUPLICATE	QA Contact:
Severity:	urgent	Docs Contact:
Priority:	medium
Version:	5.0	CC:	andrew.vasquez, andriusb, berthiaume_wayne, coughlan
Target Milestone:	---
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
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Clone Of:		Environment:
Last Closed:	2006-12-11 22:45:51 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 Pan Haifeng 2006-12-11 22:40:50 UTC

Description of problem:
Have a RHEL5 x86_64 machine has 32 Clariion LUNs assigned to it and configured 
them as DM-MPIO devices. Run IO for about 6 minutes, then syslog keep 
poping "kernel: PCI-DMA: Out of SW-IOMMU space " messages. 

[root@l82bi220 current]# uname -a
Linux l82bi220.lss.emc.com 2.6.18-1.2747.el5xen #1 SMP Thu Nov 9 18:52:11 EST 
2006 x86_64 x86_64 x86_64 GNU/Linux

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Comment 1 Rik van Riel 2006-12-11 22:45:51 UTC


*** This bug has been marked as a duplicate of 219216 ***