Partial follow-up on #264 (comment).

This pull request sets sysctl kernel.panic_on_warn=1 as per the KSPP recommendations.

# Reboot after even 1 WARN or BUG/Oops. Adjust for your tolerances. (Since v6.2)
# If you want to set oops_limit greater than one, you will need to disable CONFIG_PANIC_ON_OOPS.
kernel.warn_limit = 1
kernel.oops_limit = 1

The proposed setting is not exactly equivalent as the KSPP assumes kernel >= 6.2. Therefore, we are forced to use the older binary kernel.panic_on_warn=1 enabling which does not allow setting numerical limits.

Could potentially still enable forcing reboot after a single kernel panic using kernel.panic=-1 to be in full compliance with the KSPP. Thoughts?

Changes

Set sysctl kernel.panic_on_warn=1.

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