On 2016-12-16 12:12, bugzilla-nore...@freebsd.org wrote: > https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=215344 > > Bug ID: 215344 > Summary: Kernel problems > Product: Documentation > Version: Latest > Hardware: Any > OS: Any > Status: New > Severity: Affects Only Me > Priority: --- > Component: Documentation > Assignee: freebsd-doc@FreeBSD.org > Reporter: tschwei...@gmail.com > > https://www.freebsd.org/doc/handbook/kernelconfig-trouble.html > > Tells how to replace a kernel with an older one. But it does not describe hot > to boot an older kernel it the newer on does not work or crashes. > > It is a bad mistake to think you'll have a running system in front of you. You > might have a crashing system in front of you and you are forced to boot an old > kernel. It should describe how to do this. > > After you managed to boot you crashing system agein, you'll be able to replace > the new, crashing kernel with an old one. >
The beastie loader menu has a menu option to load kernel.old Otherwise, drop to the loader prompt, and type: unload load /boot/myoldkernel/kernel boot -- Allan Jude
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