I'll try this today.
On Sun, 19 Feb 2023 12:19:53 -0500
Ted Felix <t...@tedfelix.com> wrote:
> Will, can you go through this first draft series of steps on the
>problematic box and let me know if it finds the issue? Thanks.
>
>Boot into the problematic kernel.
>
>Confirm that it is a preemptible kernel.
>
> $ grep -i config_preempt= /boot/config-$(uname -r)
> CONFIG_PREEMPT=y
>
>If you don't see "CONFIG_PREEMPT=y" then you need to install a
>preemptible kernel.
>
>Check the grub configuration to make sure nothing is specified on the
>kernel command line related to preemption.
>
> $ grep -i preempt /etc/default/grub
>
>You should either see nothing or "preempt=full" along with possibly
>other options. Anything else might mean trouble and requires a change
>to your grub config.
>
>Check for voluntary preemption. (Not sure how this fits into
>everything, but it might cause problems and need some further
>investigation.)
>
> $ grep -i preempt_voluntary /boot/config-$(uname -r)
> # CONFIG_PREEMPT_VOLUNTARY is not set
>
>Ted.
--
Will J Godfrey {apparently now an 'elderly'}
https://willgodfrey.bandcamp.com/
http://yoshimi.github.io
Say you have a poem and I have a tune.
Exchange them and we can both have a poem, a tune, and a song.
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