> On Jul 10, 2025, at 9:18 PM, Bjoern A. Zeeb <[email protected]> > wrote: > > Hi, > > I am not sure where but I thought I saw a change fly by which would > prevent a shutdpwn -r /reboot (and possibly halt?) from being executed > while a sysctl was set. > > Does anyone have a reference or have I been dreaming? > > I would find that very helpful for host systems running (multiple) bhyve > instances. Happened twice to me recently that I typed reboot in the wrong > window and restarted my dev machine entirely rather than a guest. > > /bz > > -- > Bjoern A. Zeeb r15:7 >
Hi Bjoern A, I believe Konstantin's work [1] and [2] are precisely what you need. [1] https://cgit.freebsd.org/src/commit/?id=7fb88c20eccc3fd2118fda2ba58d7afe2b87f7e3 <https://cgit.freebsd.org/src/commit/?id=7fb88c20eccc3fd2118fda2ba58d7afe2b87f7e3> shutdown(8): refuse to run if /var/run/noshutdown is present [2] https://cgit.freebsd.org/src/commit/?id=384d976725a5c29734a9227fcdb6ef0807485c91 <https://cgit.freebsd.org/src/commit/?id=384d976725a5c29734a9227fcdb6ef0807485c91> rc.d: Add precious_machine rc.conf knob to create /var/run/noshutdown Best regards, Zhenlei
