docs: add IOMMU group isolation requirements#1318
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derekbit merged 4 commits intolonghorn:masterfrom Apr 16, 2026
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Hi, please see some minor things here. Thanks!
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LGTM.
@sushant-suse Could you replicate the changes to v1.11.x? Thanks
…SPDK Signed-off-by: sushant-suse <sushant.gaurav@suse.com>
Signed-off-by: sushant-suse <sushant.gaurav@suse.com>
Signed-off-by: sushant-suse <sushant.gaurav@suse.com>
Signed-off-by: sushant-suse <sushant.gaurav@suse.com>
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Which issue(s) this PR fixes:
Issue 12709
What this PR does / why we need it:
Adds documentation regarding IOMMU group isolation requirements for the V2 Data Engine (SPDK) to clarify why initialization fails when NVMe devices share groups with PCIe bridges.
Special notes for your reviewer:
This address a hardware-level limitation where
vfio-pcicannot claim a disk if its parent bridge is in the same IOMMU group, a common issue reported by Talos Linux users.Additional documentation or context:
N/A