RHEL5: IBM pSseries server with Broadcom NIC crashes after "iommu_alloc failed" messages in log
Issue
An IBM POWER based machine crashes or hangs shortly after displaying one or more messages in the log similar to:
iommu_alloc failed, tbl c000000001ab8280 vaddr c00000005e660000 npages 1
iommu_alloc failed, tbl c000000001ab8280 vaddr c000000084170000 npages 4
Environment
- Red Hat Enterprise Linux 5.8
- IBM POWER hardware
- Broadcom "Tigon 3" network interface
Subscriber exclusive content
A Red Hat subscription provides unlimited access to our knowledgebase of over 48,000 articles and solutions.
Welcome! Check out the Getting Started with Red Hat page for quick tours and guides for common tasks.
