David Olofson wrote:
>
> On Thursday 06 September 2001 17:51, Victor Yodaiken wrote:
> > On Thu, Sep 06, 2001 at 03:03:32PM +0200, Jan Albiez wrote:
> > > Jan (Who is still waiting for a rtlinux patch against a stable
> > > 2.4.x kernel, where only x>7 can be considered something
> > > as stable)
> >
> > We monitor the kernel development list and have not been too happy with
> > any 2.4 version. What do you think is a stable 2.4 release?
> > Are people interested in a patch versus the AC kernel?
>
> Well, anything that works might be interesting for those who are in a
> hurry to get 2.4 based RTL systems out the door...
>
> I'm not there *yet*, but the idea is that we should start shipping with
> the new software in a few months (yeah, right!), and I'd really rather
> use 2.4 than something hacked together from 2.2.10/lowlatency and RTL or
> RTAI. (I've already made my kernel drivers 2.2 + 2.4 compatible, but I'd
> rather drop the 2.2 stuff.)
>
> So, any qualified quesses at 2.4.x stability and RTL or RTAI support in
> say, 4 months? :-)
>
What Yodaiken says is partly true. In fact I've seen some RTAI problems
disappear, without touching RTAI, just with a new Linux release. However
that happened mainly in relation to SMP and true hard real time in user
space (RTAI-LXRT), SMP kernel space applications and all UP RTAI seem to
have no problem with Linux 2.4.xx.
The most recent RTAI release (rtai-24.1.6a) has patches for up to Linux
2.4.9.
Ciao, Paolo.
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