Red Hat Bugzilla – Bug 219219
qla2xxx driver running IO on DM-MPIO devices cause "kernel: PCI-DMA: Out of SW-IOMMU space "
Last modified: 2007-11-30 17:07:39 EST
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
Version-Release number of selected component (if applicable):
Steps to Reproduce:
*** This bug has been marked as a duplicate of 219216 ***