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
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