KVM guest high load after upgrade to 4.15.0-72
Bug #1858760 reported by
Druggo Yang
This bug affects 1 person
| Affects | Status | Importance | Assigned to | Milestone | |
|---|---|---|---|---|---|
| linux (Ubuntu) |
Confirmed
|
Undecided
|
Unassigned | ||
Bug Description
a idle kvm guest system with 4.15.0-70 , load nearly zero:
load average : 0.00, 0.04, 0.05
after upgrade to 4.15.0-72 or 4.15.0-74, load become abnormal:
load average : 0.65, 0.49, 0.41
when apply this patch, load good again:
x86/timer: Force PIT initialization when !X86_FEATURE_ARAT
https:/
could you pls apply this patch on upcoming kernel update ?
Revision history for this message
| Ubuntu Kernel Bot (ubuntu-kernel-bot) wrote Missing required logs. | #1 |
| Changed in linux (Ubuntu): | |
| status: | New → Incomplete |
Revision history for this message
| Druggo Yang (druggo) wrote Re: KVM guest abnormal load after upgrade to 4.15.0-72 | #2 |
Revision history for this message
| Druggo Yang (druggo) wrote | #3 |
Revision history for this message
| Druggo Yang (druggo) wrote | #4 |
| Changed in linux (Ubuntu): | |
| status: | Incomplete → Confirmed |
| tags: | added: patch |
| summary: |
- KVM guest abnormal load after upgrade to 4.15.0-72 + KVM guest high load after upgrade to 4.15.0-72 |
| description: | updated |
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This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:
apport-collect 1858760
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the Ubuntu Kernel Team.