On Sat, Jan 24, 2015 at 12:27 PM, Alan Mackenzie <a...@muc.de> wrote: > > On Sat, Jan 24, 2015 at 11:37:00AM -0500, Rich Freeman wrote: > >> Do you regularly update the software on your embedded system? >> systemd-183 hasn't changed a bit since the day it was released. > > systemd-183's velocity is unchanged from the day it was released, and it > isn't slow.
You'll have to define what you mean by velocity here, not that it really matters since we can quibble over definitions all day long. systemd-183 today is identical to systemd-183 the day it was released. It is a snapshot in time. > >> The fast-moving target bit is only an issue if you want to keep >> updating it. > > Quite the contrary - the fast-moving bit is an issue if you _can't_ > update it, or if updating is expensive, which is frequently the case for > embedded systems. Fast-moving software is likelier to be buggy than well > established traditional software. You do test your embedded devices before you release them, right? > >> That said, systemd doesn't change THAT much between versions as far as >> the key interfaces go. > > But busybox changes even less. > It is also used far less. Do you really think that you're less likely to have problems with busybox mdev and busybox init than with whatever version of backported version of systemd RHEL is using six months after release? -- Rich
