Notes and jottings from an ex-Ubuntu Kernel Team Engineer
Thursday, 30 April 2020
easy capturing of kernel stack traces with virsh
Today I needed to capture a rather large kernel stack dump, this is rather trivial using virsh. Using virt-manager I created a VM named vm-focal and in the guest ran: sudo systemctl enable serial-getty@ttyS0.service
Then on the host running the VM I ran:
virsh console vm-focal
Then all I needed to do was produce the stack dump and the console output was successfully dumped by virsh. Easy.
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