Re: panic: supervisor write data, protection violation (vn_read/copyout_smap_erms?)

David Wolfskill <[email protected]>
Newsgroups gmane.os.freebsd.current
Message-ID <[email protected]>
On Sat, Mar 14, 2026 at 09:28:53AM -0400, Michael Butler wrote:
> To narrow this .. I can reliably start a kernel built at or before commit
> 277830b4d3ae.
> 
> On 3/14/26 09:06, Subbsd wrote:
> > ...
> > uname -a:
> > 
> > FreeBSD host1.my.domain 16.0-CURRENT FreeBSD 16.0-CURRENT #0
> > main-f91464171d61: Sat Mar 14 12:35:27 UTC 2026
> > [email protected]:/usr/obj/usr/jails/src/src_16/src/amd64.amd64/sys/GENERIC
> > amd64
> ....

I updated my headless build machine from main-n284480-9a9f93bcf1aa to
main-n284504-f91464171d61 this morning, but it panicked prior to
completing the transition to multi-user mode.

Checking
https://lists.freebsd.org/archives/dev-commits-src-main/2026-March/040570.html,
blame is cast on 914a53570750; further in that thread, kib@ provides a
tentative patch (but I have not tested it).

Peace,
david
-- 
David H. Wolfskill                              [email protected]

See https://www.catwhisker.org/~david/publickey.gpg for my public key.
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