DMA error "PTE Read access is not set" with 82599 10Gb Dual Port Backplane Connection
Issue
Output from the dmesg:
[ 222.278627] dmar: DMAR:[DMA Read] Request device [08:00.0] fault addr 52633d000
[ 224.168760] dmar: DRHD: handling fault status reg 102
[ 224.169003] dmar: DMAR:[DMA Read] Request device [08:00.0] fault addr 52633d000
[ 225.164728] dmar: DRHD: handling fault status reg 202
[ 225.164978] dmar: DMAR:[DMA Read] Request device [08:00.0] fault addr 52633d000
[ 225.200170] dmar: DRHD: handling fault status reg 302
[ 225.200398] dmar: DMAR:[DMA Read] Request device [08:00.0] fault addr 52633d000
[ 226.172331] dmar: DRHD: handling fault status reg 402
[ 226.172569] dmar: DMAR:[DMA Read] Request device [08:00.0] fault addr 52633d000
[ 227.199846] dmar: DRHD: handling fault status reg 502
[ 227.200088] dmar: DMAR:[DMA Read] Request device [08:00.0] fault addr 52633d000
Environment
- Red Hat OpenStack Platform 8
- OVS v2.4
- DPDK v2.0
Hardware specifications:
- HP C7k, BL460c-G9
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.
