Re: Kernel modules on 10.1

[Stephen Borrill <netbsd%precedence.co.uk@localhost>]

On Tue, 18 Mar 2025, Greg Troxel wrote:
> Stephen Borrill <netbsd%precedence.co.uk@localhost> writes:
>
> > The problem is that GENERIC and the modules are built with
> > KDTRACE_HOOKS, but XEN3_DOMU is not.
>
> Well I guess if that's the problem then you know how to fix it!

Yes, I just worked it out from the "sdt" strings in the error.

> I would say it's a bug in 10 that *if* KDTRACE_HOOKS changes the module
> ABI, that it isn't enabled in XEN3_DOMU.  Quick grepping makes me think
> it's enabled there in current but not 10.

Yes, it looks like KDTRACE should be in all kernel configurations that are 
ever likely to load the solaris module.

I wlil build and test and then submit a patch to be pulled up.

> However, on a netbsd-10 domU, modload zfs works ok.

It doesn't on a PV kernel, but it will with a GENERIC kernel running as 
PVHVM.

--
Stephen