cvs commit: src/etc/etc.mips ttys

[Bernd Walter]

On Mon, May 05, 2008 at 08:08:23AM -0600, M. Warner Losh wrote:
> In message: <200805050949.27063.jhb at freebsd.org>
>             John Baldwin <jhb at FreeBSD.org> writes:
> : On Monday 05 May 2008 04:07:22 am Poul-Henning Kamp wrote:
> : > In message <481EB19B.3000201 at freebsd.org>, Colin Percival writes:
> : > >Poul-Henning Kamp wrote:
> : > >> In message <200805050535.m455ZmI1030493 at repoman.freebsd.org>, Warner
> : > >> Losh write
> : > >>
> : > >> s:
> : > >>>  Added files:
> : > >>>    etc/etc.mips         ttys
> : > >>>  Log:
> : > >>>  Mips ttys file.  Copied from i386 version with removal of the vga
> : > >>>  entries.
> : > >>
> : > >> We should really replace this file with a script that generates it
> : > >> from a set of sensible parameters at build-time.
> : > >
> : > >Yes please -- kmacy might have worked around this, but at one point this
> : > >was the only non-kernel file which needed to be different for Xen builds.
> : >
> : > And for anyone looking at this, there is also a task to eliminate the
> : > pty devices in this file, the reason why they are there has to do with
> : > the introduction of the really weird notion of "remote logins" back in
> : > the early 1980'ies, we really could do better.
> : 
> : Err, I thought it was because utmp still uses the line index in /etc/ttys so 
> : ptys have to be listed in /etc/ttys to get an index.  I haven't looked at 
> : utmpx, but it might be nice if we had a utmp format that 1) didn't limit 
> : usernames to 16 chars, and 2) stored the name of the tty rather than a dev_t.  
> : 2) is what I think has broken 'w -M /var/crash/vmcore.X' since 5.x.

3) don't limit hostnames to 16 chars.
These days it is even to short for logging IPs as fallback, since inet6
IPs can be longer than the field.
I've often seen truncated inet6 IPs.

-- 
B.Walter <bernd at bwct.de> http://www.bwct.de
Modbus/TCP Ethernet I/O Baugruppen, ARM basierte FreeBSD Rechner uvm.