Re: CVS commit: src

[Antti Kantee <pooka%cs.hut.fi@localhost>]

On Fri Feb 25 2011 at 22:06:32 +0100, Joerg Sonnenberger wrote:
> On Fri, Feb 25, 2011 at 04:38:54PM +0200, Antti Kantee wrote:
> > On Fri Feb 25 2011 at 15:19:30 +0100, Joerg Sonnenberger wrote:
> > > I get time outs for stress_long and stress_short (rump/rumpkern/t_sp).
> > 
> > Those are because of, from what I could tell, this:
> > 
> > 0xbbbd45c5 <fcntl+21>:  mov    %gs:0x0,%edi
> > ==> segfault
> > 
> > Notably, those tests exercise threads and processes more heavily than
> > any other test we have: they create 256 concurrent racing threads over
> > several processes which are killed and recreated.
> 
> Are you sure about that? libpthread should be the only thing (before the
> back out) that touches %gs and the kernel is normally using %fs for CPU
> local memory.

I'm sure as in "run test, see h_stresscli crash, gdb core, x/i $eip".
I didn't examine it any further.  The test fails with the lwp fastreg
stuff and doesn't fail without it, that i am sure it.

(<fcntl> is probably gdb's imagination, though)

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