Public bug reported:
I tried installing kdump-tools (1.6.7-1ubuntu2.2) on my up to date 20.04
system, installed specifically to try reproducing a bug.
But when I tried, after kdump-config status reported "ready to dump" on
reboot, echo 'c' | sudo tee /proc/sysrq-trigger, it printed the panic to
console and then just hung forever.
After some blind guessing and twiddling both variables, I found that
crashkernel=512M-:256M works.
** Affects: makedumpfile (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1931779
Title:
kdump just hung out of the box
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