Bug 4261 - SIOV - resume ims state failed during idxd mdev live migration
Summary: SIOV - resume ims state failed during idxd mdev live migration
Status: NEW
Alias: None
Product: ANCK 5.10 Dev
Classification: ANCK
Component: drivers (show other bugs) drivers
Version: 5.10.y-13
Hardware: x86_64 Linux
: P3-Medium S3-normal
Target Milestone: ---
Assignee: maqiao
QA Contact: shuming
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2023-03-01 10:56 UTC by Fengqian
Modified: 2023-03-01 10:59 UTC (History)
3 users (show)

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Description Fengqian intel_group 2023-03-01 10:56:24 UTC 
Description of problem:
IMS state resuming report error during IDXD live migration if IDXD VDEV not enabled on source machine.


Steps to Reproduce:

1. Create 2 DWQ MDEV devices and assign to two VM guests for live migration test.

2. Boot migration source and destination guests without vIOMMU.

3. After source guest booted, start live migration without any DSA operations.

4. Migration succeeded but found IMS resume state error on host dmesg.


Attached error dmesg:
[  650.413211] vidxd_resume_ims_state: 1 new handle 5880 old handle 5880

[  650.413214] vidxd_resume_ims_state: auxval 6008 rc -22

[  650.413215] set ims pasid failed rc -22

[  650.413215] vidxd int handle revocation handling failed -22