Bug 6882 - iommu/vt-d: Fix kdump kernels boot failure with scalable mode
Summary: iommu/vt-d: Fix kdump kernels boot failure with scalable mode
Status: NEW
Alias: None
Product: ANCK 5.10 Dev
Classification: ANCK
Component: drivers (show other bugs) drivers
Version: unspecified
Hardware: x86_64 Linux
: P3-Medium S2-major
Target Milestone: ---
Assignee: GuixinLiu
QA Contact: shuming
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2023-10-17 16:20 UTC by EthanZHF
Modified: 2023-10-23 16:14 UTC (History)
2 users (show)

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Description EthanZHF intel_group 2023-10-17 16:20:18 UTC 
Description of problem:
  kdump kernels boot failure with scalable mode

Version-Release number of selected component (if applicable):
  anolis kernel 5.10

How reproducible:


Steps to Reproduce:
1. config kdump as usual. 
2. append intel_iommu=on, sm_on to kernel command line
3. trigger kdump, 
# echo c > /proc/sysrq-trigger

Actual results:
failed to boot kdump kernel. kdump failed.

Expected results:
Could boot kdump kernel and kdump successfully. 

Additional info:
Comment 1 小龙 admin 2023-10-23 16:14:28 UTC 
The PR Link: https://gitee.com/anolis/cloud-kernel/pulls/2341