System hang on shutdown when running freebsd-update
Juan Ramón Molina Menor
listjm at club-internet.fr
Wed Dec 10 13:20:55 UTC 2014
> >/ Another update. I narrowed down the issue due to /sbin/init being replaced. This might be the magic that freebsd-update does to make the crash happen. (Although there might be more situations that cause a hang.)
> />/
> />/ I can completely reliably trigger the hang on a default 10.1-RELEASE install on UFS2 in VMware Fusion with the following procedure:
> />/
> />/ # chflags noschg /sbin/init
> />/ # cp -Rp /sbin/init /sbin/init2
> />/ # rm -f /sbin/init
> />/ # mv /sbin/init2 /sbin/init
> />/ # chflags schg /sbin/init
> />/ # reboot
> />/ => Hang after "All buffers synced."
> /These commands do not trigger the issue here on a 10.1-RELEASE on VMware
> Player, but do it in a real system with the same release, both i386.
> When I last freebsd-updated this latter machine from 10.0 to
> 10.1-RELEASE, I also remember seeing the hang on shutdown.
>
> Hope it helps,
> Juan
The hang occurs again when running freebsd-update to install the
security advisories of today on a 10.1-RELEASE i386. No problem under
VMWare, same version.
Best regards,
Juan
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