Bug 1829 - SIOV - DSA PF/MDEV passthrough hot-plug to linux guest with scalable vIOMMU failed
Summary: SIOV - DSA PF/MDEV passthrough hot-plug to linux guest with scalable vIOMMU f...
Status: RESOLVED FIXED
Alias: None
Product: ANCK 5.10 Dev
Classification: ANCK
Component: virt (show other bugs) virt
Version: 5.10.y-13
Hardware: All Linux
: P3-Medium S2-major
Target Milestone: ---
Assignee: maqiao
QA Contact: shuming
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2022-08-05 14:06 UTC by Fengqian
Modified: 2023-01-17 15:02 UTC (History)
0 users

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Description Fengqian intel_group 2022-08-05 14:06:56 UTC
Description of problem:
Failed to hot-plug DSA PF/MDEV device to guest with scalable vIOMMU.

Version-Release number of selected component (if applicable):


How reproducible:


Steps to Reproduce:
1. Create linux VM with scalable vIOMMU enabled.
2. Hot-plug DSA PF/MDEV device through QEMU monitor.
3. Run dmatest in guest

Actual results:
In QEMU monitor, errors reported:
device attachment is denied by vIOMMU, please check host IOMMU nesting capability.

Expected results:


Additional info:
Comment 1 maqiao alibaba_cloud_group 2023-01-17 15:02:04 UTC
merged: https://gitee.com/anolis/cloud-kernel/pulls/649