Date: Sat, 14 Mar 2026 11:54:34 -0400 From: Michael Butler <imb@protected-networks.net> To: current@freebsd.org, Subbsd <subbsd@gmail.com>, freebsd-current Current <freebsd-current@freebsd.org> Cc: kib@freebsd.org Subject: Re: panic: supervisor write data, protection violation (vn_read/copyout_smap_erms?) Message-ID: <320b245d-85fb-49ba-9ef4-d5d335df39ed@protected-networks.net> In-Reply-To: <abVvYHKqs-Mi7sPQ@albert.catwhisker.org> References: <CAFt_eMree8BYjJCJyr8po9TxkpT0ipQPy5C%2BCm_UCpM%2B5eCNLQ@mail.gmail.com> <d8132248-0e53-4c0d-bb6c-682995d09f02@protected-networks.net> <abVvYHKqs-Mi7sPQ@albert.catwhisker.org>
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On 3/14/26 10:23, David Wolfskill wrote: > 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 >>> root@host1.my.domain:/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). The patch at the end of this thread appears to solve the problem. Thanks! Michaelhome | help
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