On Tue, 2006-09-19 at 09:48 -0500, Jeff Webb wrote:
> Jeff Webb wrote:
> > I don't have a plain xenomai-2.2.2 kernel handy, but I do have a patched
> > version. I do not have any problems with switchtest for xenomai-2.2.2
> > with the following patches:
> > https://mail.gna.org/public/xenomai-help/2006-09/msg00084.html
> > https://mail.gna.org/public/xenomai-help/2006-09/msg00096.html
> > These patches are to nucleus pipe.c and pipe.h / rtai fifo.c and fifo.h.
> > I am running an Athlon64 X2 in with 32-bit Fedora Core 5.
> I have done a couple more tests using xenomai from subversion. Here is a
> summary of all the results I have so far:
> xenomai-2.2.2 (patched as described above): switchtest runs
> svn/xenomai/trunk (r1586): switchtest runs
> svn/xenomai/trunk (r1589): switchtest runs
> xenomai-2.2.3 : switchtest fails
> This is on my Fedora Core 5 (32-bit x86), linux-22.214.171.124 SMP, ipipe-1.3
> (except 1.4 for 2.2.3), gcc-4.1.1, Athlon64 X2.
> Hopefully this will help,
It does, thanks. This confirms Jan's findings that something went wrong
from #1595. The issue is spotted now, somewhere in the FPU save/restore
code in the x86 support layer.
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