Am Sun, May 02, 2021 at 11:49:10PM +0200 schrieb Why 42? The lists account.:
>
> Actually I do notice one thing, having just upgraded to:
> kern.version=OpenBSD 6.9-current (GENERIC.MP) #492: Sat May 1 17:37:28 MDT 2021
>
> I checked the output from dmesg and I have a new boot time message:
> dt: 443 probes
>
> man dt tells me that dt is dynamic tracing and that I can enable it by
> setting kern.allowdt.
>
> But when I do (as root): "sysctl kern.allowdt=1" it returns this error:
> sysctl: kern.allowdt: Operation not permitted
Similarly to kern.allowkmem, you can only set it when the securelevel is
still 'low'. That's for security. You need to add kern.allowdt=1 to
sysctl.conf, and then reboot. Then it'll be enabled after reboot.
> What am I missing?
>
> Cheers,
> Robb.
>
> FYI: This is on an Intel NUC:
> bios0 at mainbus0: SMBIOS rev. 3.2 @ 0x7a9a4000 (77 entries)
> bios0: vendor Intel Corp. version "BECFL357.86A.0087.2020.1209.1115" date 12/09/2020
> bios0: Intel(R) Client Systems NUC8i5BEH
>
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