Bug 4526 - OS boot hang with kernel parameter "intel_iommu=on,sm_on" on Intel SPR system
Summary: OS boot hang with kernel parameter "intel_iommu=on,sm_on" on Intel SPR system
Status: NEW
Alias: None
Product: Anolis OS 8
Classification: Anolis OS
Component: kernel - anck-5.10 (show other bugs) kernel - anck-5.10
Version: 8.6
Hardware: x86_64 Linux
: P3-Medium S3-normal
Target Milestone: ---
Assignee: maqiao_mq
QA Contact: shuming
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2023-03-15 16:07 UTC by Ailin-Xu
Modified: 2023-03-15 16:07 UTC (History)
0 users

See Also:

Attachments
DMA Read NO_PASID fail (153.64 KB, image/png)
2023-03-15 16:07 UTC, Ailin-Xu 		Details
call trace (109.08 KB, image/png)
2023-03-15 16:07 UTC, Ailin-Xu 		Details
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Description Ailin-Xu intel_group 2023-03-15 16:07:08 UTC 
Created attachment 673 [details]
DMA Read NO_PASID fail

Description of problem:
When boot Anolis OS 8.6, kernel-5.10.134-13.an8.x86_64 with "intel_iommu=on,sm_on" on Intel SPR platform, system hang at boot time. 
Screes shows DMA Read NO_PASID fail with a call trace related to usb_hub_wq hub_event.
Please see attached screen shots.

Version-Release number of selected component (if applicable):
Anolis OS 8.6, kernel-5.10.134-13.an8.x86_64.

How reproducible:
100%

Steps to Reproduce:
1. add "intel_iommu=on,sm_on" to kernel parameter.
2. boot to OS.
3. system hang.

Actual results:
System hang.

Expected results:
Boot into OS.

Additional info:
Comment 1 Ailin-Xu intel_group 2023-03-15 16:07:47 UTC 
Created attachment 674 [details]
call trace