Why kdump is restarting within the guest during CPU hot plugging
Issue
- During CPU hot plugging in RHEV, below messages are logged in the guest
Aug 19 15:20:12 kernel: Will online and init hotplugged CPU: 1
Aug 19 15:20:12 systemd: Stopping Crash recovery kernel arming...
Aug 19 15:20:12 kdumpctl: kexec: unloaded kdump kernel
Aug 19 15:20:12 kdumpctl: Stopping kdump: [OK]
Aug 19 15:20:12 systemd: Starting Crash recovery kernel arming...
Aug 19 15:20:13 kdumpctl: kexec: loaded kdump kernel
Aug 19 15:20:13 kdumpctl: Starting kdump: [OK]
Aug 19 15:20:13 systemd: Started Crash recovery kernel arming.
- Why
kdumpservice is restarting within the guest duringCPU hot plugging
Environment
- Red Hat Enterprise Virtualization 3.x
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