Kdump service fails to start and status show "kdumpctl[xxxx]: y" and service is stuck. Why?

Solution Verified - Updated -

Issue

  • Kdump service fails to start and status show "kdumpctl[xxxx]: y" and service is stuck. Why?
● kdump.service - Crash recovery kernel arming
   Loaded: loaded (/usr/lib/systemd/system/kdump.service; enabled; vendor preset: enabled)
   Active: activating (start) since Fri 2023-04-21 06:28:04 IST; 1h 4min ago
 Main PID: 7052 (kdumpctl)
    Tasks: 8 (limit: 404580)
   Memory: 22.0M
   CGroup: /system.slice/kdump.service
           ├─7052 /bin/bash /usr/bin/kdumpctl start
           ├─7054 /bin/bash /usr/bin/kdumpctl start
           ├─7094 /bin/bash --norc /sbin/mkdumprd -f /boot/initramfs-4.18.0-425.19.2.el8_7.x86_64kdump.img 4.18.0-425.19.2.el8_7.x86_64
           ├─7313 xargs dracut
           ├─7314 /bin/bash -p /usr/bin/dracut --add kdumpbase --quiet --hostonly --hostonly-cmdline --hostonly-i18n --hostonly-mode strict -o plymouth dash resume ifcfg earlykdump --mount /dev/mapper/rhel-kdump /kdumproot/kdump xfs rw,relatime,attr2,inode64,logbufs=8,logbsize=32k,
noquota,nofail,x-systemd.before=initrd-fs.target --no-hostonly-default-device -f /boot/initramfs-4.18.0-425.19.2.el8_7.x86_64kdump.img 4.18.0-425.19.2.el8_7.x86_64
           ├─7333 /bin/cat
           ├─9329 /bin/bash -p /usr/bin/dracut --add kdumpbase --quiet --hostonly --hostonly-cmdline --hostonly-i18n --hostonly-mode strict -o plymouth dash resume ifcfg earlykdump --mount /dev/mapper/rhel-kdump /kdumproot/kdump xfs rw,relatime,attr2,inode64,logbufs=8,logbsize=32k,
noquota,nofail,x-systemd.before=initrd-fs.target --no-hostonly-default-device -f /boot/initramfs-4.18.0-425.19.2.el8_7.x86_64kdump.img 4.18.0-425.19.2.el8_7.x86_64
           └─9330 yes    <-----

Apr 21 07:32:14 localhost kdumpctl[9330]: y
Apr 21 07:32:14 localhost kdumpctl[9330]: y
Apr 21 07:32:14 localhost kdumpctl[9330]: y
Apr 21 07:32:14 localhost kdumpctl[9330]: y
Apr 21 07:32:14 localhost kdumpctl[9330]: y
Apr 21 07:32:14 localhost kdumpctl[9330]: y
Apr 21 07:32:14 localhost kdumpctl[9330]: y
Apr 21 07:32:14 localhost kdumpctl[9330]: y
Apr 21 07:32:14 localhost kdumpctl[9330]: y
Apr 21 07:32:14 localhost kdumpctl[9330]: y

Environment

  • Red Hat Enterprise Linux 8.

Subscriber exclusive content

A Red Hat subscription provides unlimited access to our knowledgebase, tools, and much more.

Current Customers and Partners

Log in for full access

Log In

New to Red Hat?

Learn more about Red Hat subscriptions

Using a Red Hat product through a public cloud?

How to access this content