Bug 4253 - [anolis8.8-5.10][arm][anck]vhd镜像 crashkernel默认大小下无法生成crash,设置256M可以正常生成crash
Summary: [anolis8.8-5.10][arm][anck]vhd镜像 crashkernel默认大小下无法生成crash,设置256M可以正常生成crash
Status: NEW
Alias: None
Product: Anolis OS 8
Classification: Anolis OS
Component: Images&Installations (show other bugs) Images&Installations
Version: 8.8
Hardware: All Linux
: P1-Urgent S1-blocker
Target Milestone: ---
Assignee: xiangzao
QA Contact:
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2023-02-28 13:36 UTC by liuyaqing
Modified: 2023-03-21 18:15 UTC (History)
1 user (show)

See Also:

Attachments
默认crashkernel大小下无法生成crash (8.05 MB, image/bmp)
2023-02-28 13:36 UTC, liuyaqing 		Details
View All Add an attachment (proposed patch, testcase, etc.)

Note You need to log in before you can comment on or make changes to this bug.
Description liuyaqing alibaba_cloud_group 2023-02-28 13:36:32 UTC 
Created attachment 658 [details]
默认crashkernel大小下无法生成crash

Description of problem:
anolisos_8_8_arm64_20G_anck_alibase_20230221.vhd镜像ecs.g6r.large实例,内存大小为7.4G,默认crashkernel情况下无法生成crash,crashkernel设置为256M可以正常生成crash,详细信息见附件

Version-Release number of selected component (if applicable):
5.10.134-13.an8.aarch64

Steps to Reproduce:
1.systemctl start kdump && systemctl enable kdump
2.echo c >/proc/sysrq-trigger
3.设置crashkernel为256M:vim /etc/default/grub
      crashkernel=256M
4.grub2-mkconfig -o /boot/efi/EFI/anolis/grub.cfg
5.reboot
6.echo c >/proc/sysrq-trigger

Actual results:
默认crashkernel大小下无法生成crash

Expected results:
默认crashkernel大小正常生成crash

Additional info:
Comment 1 chuyang_94 alibaba_cloud_group 2023-02-28 15:02:27 UTC 
这个问题麻烦重点看下 之前是说crashkernel经过重新调整  目前看在这种小内存下还是存在无法生成vmcore的问题
Comment 2 liuyaqing alibaba_cloud_group 2023-03-15 17:54:00 UTC 
这个问题麻烦尽快看一下,3月份的月度镜像还是有存在这个问题的
Comment 3 gaochang alibaba_cloud_group 2023-03-17 16:19:15 UTC 
麻烦@xiangzao 帮忙看看
Comment 4 xiangzao alibaba_cloud_group 2023-03-21 18:15:53 UTC 
kdump问题，可通过调整crashkernel参数解决的，不影响镜像发布