> >   http://mail-index.netbsd.org/current-users/2007/09/10/0018.html
> > 
> > I am still seeing these problems with actual -current kernel and
> > userland on my cobalt qube2 (mipsel).
> > 
> >     Tobias> [...] Btw, the csl-alignment branch merge only affected
> >     Tobias> the ABI on hp700, right?
> > 
> > As mentioned there reverting nick-csl-alignment branch merge changes
> > solely in src/lib/libpthread solves the problem for me on my qube2.
> > So, it seems related anyhow...
> 
> I've been speaking with Nick and the problem is understood, basically gcc is
> generating assembly which breaks the restartable sequences in libpthread.
> Stay tuned.

Ah, that does sound like it could be the problem. I "fixed" this
problem on my server by compiling libpthread with COPTS="-O0" for the
time being.