Philippe Gerum wrote:
> On Fri, 2006-06-23 at 15:41 +0200, Gilles Chanteperdrix wrote:
> > Jan Kiszka wrote:
> > > Jan Kiszka wrote:
> > > > Hi,
> > > >
> > > > wondering why suddenly things crash on invoking the latency test, I
> > > > realised that I turned the nucleus into a module which was not yet
> > > > loaded. Here is the oops in this case:
> > >
> > > Correction: the nucleus was still compiled in, the native skin was
> > missing.
> >
> > After a few investigation, the problem appears to be that the nucleus
> > assume that user-space skins will issue a bind syscall before using a
> > skin, and that the user-space RTDM library does not exit if binding
> > fails.
>
> I don't get it: the muxid should be invalid then(?)
Yes the muxid is -1 and everything works fine, it was just a
misinterpretation. When issuing syscalls with a fixed muxid whereas
there is no interface corresponding to this muxid, the nucleus crashes,
but it is acceptable, user-space interfaces should issue an
__xn_sys_bind syscall first.
--
Gilles Chanteperdrix.
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