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Date:      Sat, 23 Jul 2022 14:39:42 -0400
From:      Mark Johnston <markj@freebsd.org>
To:        Cy Schubert <Cy.Schubert@cschubert.com>
Cc:        freebsd-current@freebsd.org
Subject:   Re: DTrace Error
Message-ID:  <YtxAbplpPtLy2Ll1@nuc>
In-Reply-To: <20220723141444.85620189@slippy.cwsent.com>
References:  <20220723035223.57CDBD7@slippy.cwsent.com> <20220723141444.85620189@slippy.cwsent.com>

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On Sat, Jul 23, 2022 at 07:14:44AM -0700, Cy Schubert wrote:
> In message <20220723035223.57CDBD7@slippy.cwsent.com>, Cy Schubert writes:
> > I'm not sure if this is because my obj tree needs a fresh rebuild and 
> > reinstall or if this is a legitimate problem. Regardless of the dtrace 
> > command entered, whether it be a fbt or sdt, the following error occurs:
> >
> > slippy# dtrace -n 'fbt::ieee80211_vap_setup:entry { printf("entering 
> > ieee80211_vap_setup\n"); }'
> > dtrace: invalid probe specifier fbt::ieee80211_vap_setup:entry { 
> > printf("entering ieee80211_vap_setup\n"); }: "/usr/lib/dtrace/psinfo.d", 
> > line 1: failed to copy type of 'pr_gid': Conflicting type is already defined
> > slippy# 
> >
> > Old DTrace scripts I've used months or even years ago also fail with the 
> > same error. It's not this one probe. All probes result in the pr_gid error.
> >
> > I'm currently rebuilding my "prod" tree from scratch with the hope that 
> > it's simply something out of sync. But, should it not be, has anyone else 
> > encountered this lately?
> 
> A full clean rebuild and installworld/kernel did not change the result. 
> This is a new problem.

I don't see any such problem on a system built from commit 151abc80cde,
using GENERIC.  Are you using a custom kernel config?  Which kernel
modules do you have loaded?

It might be useful to see a ctfdump -S of your kernel, to confirm that
you're using CTFv3.



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