Upstart makes no attempt to fully emulate sysvinit, it only makes attempt to emulate sysv-rc - many people think that sysv-rc (/etc/init.d, /etc/X.d, etc.) _is_ sysvinit, so it's easy to see where this confusion comes from.
(If Upstart emulated sysvinit, it would have an /etc/inittab, etc.)
Therefore wishlist is appropriate, you're asking for a feature that Upstart doesn't currently support and isn't documented to support.
Personally I tend to use the Importance field to indicate Severity, rather than Priority.
Note that the typical way people get the emergency shell is just to use init=/bin/bash, rather than -b - they are pretty much equivalent <g>
Upstart makes no attempt to fully emulate sysvinit, it only makes attempt to emulate sysv-rc - many people think that sysv-rc (/etc/init.d, /etc/X.d, etc.) _is_ sysvinit, so it's easy to see where this confusion comes from.
(If Upstart emulated sysvinit, it would have an /etc/inittab, etc.)
Therefore wishlist is appropriate, you're asking for a feature that Upstart doesn't currently support and isn't documented to support.
Personally I tend to use the Importance field to indicate Severity, rather than Priority.
Note that the typical way people get the emergency shell is just to use init=/bin/bash, rather than -b - they are pretty much equivalent <g>