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* [dpdk-dev] [Bug 234] dma remapping failed with errno 22 when use "--no-huge"
@ 2019-03-27 15:24 bugzilla
  2019-03-27 15:24 ` bugzilla
  0 siblings, 1 reply; 2+ messages in thread
From: bugzilla @ 2019-03-27 15:24 UTC (permalink / raw)
  To: dev

https://bugs.dpdk.org/show_bug.cgi?id=234

            Bug ID: 234
           Summary: dma remapping failed with errno 22 when use
                    "--no-huge"
           Product: DPDK
           Version: 18.11
          Hardware: All
                OS: All
            Status: CONFIRMED
          Severity: normal
          Priority: Normal
         Component: core
          Assignee: dev@dpdk.org
          Reporter: qingfu.cqf@alibaba-inc.com
  Target Milestone: ---

1. I use vfio-pci as the low lever driver, 
1. rte_eal_init() with "--no-huge" then it'll report. 
I don't known the real issue  now

EAL: Detected 1 NUMA nodes
EAL: Auto-detected process type: PRIMARY
EAL: Multi-process socket /var/run/dpdk/rte/mp_socket
EAL: Probing VFIO support...
EAL: VFIO support initialized
EAL: Started without hugepages support, physical addresses not available
EAL: PCI device 0000:5e:00.0 on NUMA socket 0
EAL:   probe driver: 1ded:1000 ccdk_pmd_drv
EAL:   using IOMMU type 1 (Type 1)
EAL:   cannot set up DMA remapping, error 22 (Invalid argument)
EAL:   0000:5e:00.0 DMA remapping failed, error 22 (Invalid argument)
EAL: Requested device 0000:5e:00.0 cannot be used

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