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Bug 2065013 - RHEL9[aarch64:ampere-mtjade-altra-*] kdump cannot reserve memory on mtjade machines
Summary: RHEL9[aarch64:ampere-mtjade-altra-*] kdump cannot reserve memory on mtjade ma...
Alias: None
Product: Red Hat Enterprise Linux 9
Classification: Red Hat
Component: kexec-tools
Version: 9.0
Hardware: aarch64
OS: Unspecified
Target Milestone: rc
: ---
Assignee: Pingfan Liu
QA Contact: Jie Li
Sujata Kurup
Depends On:
TreeView+ depends on / blocked
Reported: 2022-03-17 06:19 UTC by Jie Li
Modified: 2023-08-24 07:50 UTC (History)
9 users (show)

Fixed In Version:
Doc Type: Known Issue
Doc Text:
.Allocating crash kernel memory fails at boot time On certain Ampere Altra systems, allocating the crash kernel memory for `kdump` usage fails during boot when the available memory is below 1 GB. Consequently, the `kdumpctl` command fails to start the `kdump` service. To workaround this problem, do one of the following: * Decrease the value of the `crashkernel` parameter by a minimum of 240 MB to fit the size requirement, for example `crashkernel=240M`. * Use the `crashkernel=x,high` option to reserve crash kernel memory above 4 GB for `kdump`. As a result, the crash kernel memory allocation for `kdump` does not fail on Ampere Altra systems.
Clone Of:
Last Closed: 2023-02-06 09:26:56 UTC
Type: Bug
Target Upstream Version:

Attachments (Terms of Use)

System ID Private Priority Status Summary Last Updated
Red Hat Issue Tracker RHELPLAN-115798 0 None None None 2022-03-17 06:20:18 UTC

Comment 7 Jaroslav Klech 2022-04-04 12:13:30 UTC
Re-assiging to Sujata

Comment 28 Pingfan Liu 2022-12-30 13:50:05 UTC
It should share the same solution with https://bugzilla.redhat.com/show_bug.cgi?id=2112877.

Now the kernel can automatically fall back to a proper region to reserve the crash region

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