[Bug 255775] panic with ipfw turned on at boot time
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Date: Fri, 27 Aug 2021 13:19:46 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=255775
Mark Johnston <markj@FreeBSD.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|Open |Closed
Resolution|--- |Overcome By Events
--- Comment #26 from Mark Johnston <markj@FreeBSD.org> ---
(In reply to Michael Meiszl from comment #25)
> I guess I can now dare to update the external production machine too (if they would crash I have no means to get to the console and start into single user mode, so I am very very careful when it comes to kernel crashes and instant reboots)
If you're building kernels from source you might try installing like this:
# make installkernel INSTKERNNAME=kernel.test
# nextboot -k kernel.test
# shutdown -r now
so if the new kernel (installed to /boot/kernel.test) panics and reboots, the
system will boot back into the old kernel without intervention in single-user
mode. Be sure to try this before updating userland.
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