On Tue, 20 Sep 2022 19:04:57 +0800 (CST) F32 <[email protected]> wrote:
> Hi Stephen, > > > I have checked related iommu_groups: > > > $ readlink 0000\:01\:00.0/iommu_group > > ../../../../kernel/iommu_groups/16 > > $ readlink 0000\:02\:00.0/iommu_group > > ../../../../kernel/iommu_groups/17 > > $ readlink 0000\:03\:00.0/iommu_group > > ../../../../kernel/iommu_groups/18 > > $ readlink 0000\:04\:00.0/iommu_group > > ../../../../kernel/iommu_groups/19 > > $ readlink 0000\:05\:00.0/iommu_group > > ../../../../kernel/iommu_groups/20 > > > > It seems that the adapters belongs to different iommu_groups. The way I would fix it is add instrumentation (ie printf) in EAL code where the can not be used message is and work backwards from there.
