Total lockup would have to be a complete kernel crash during the
update. As others have said, offline would probably not reduce the
risk of this sort of crash.
The updates typically don't add/remove modules and/or otherwise change
the live running kernel components.
On the enterprise side there are some live in-memory patching software
that do update the running kernels code and I have seen those crash
systems.
On Fri, Jul 30, 2021 at 5:30 AM Patrick O'Callaghan
<pocallaghan(a)gmail.com> wrote:
>
> On Fri, 2021-07-30 at 11:34 +0200, Roberto Ragusa wrote:
> > On 7/30/21 7:57 AM, Ed Greshko wrote:
> >
> > > Total freeze. Unable to switch to an alternate console. ssh into
> > > the system was non-responsive.
> >
> > No ssh? Looks like a total system lockup that could have happened in
> > offline mode as well.
>
> I'd be inclined to agree.
>
> poc
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