Re: Oops with strace_test

From: Thomas Gleixner
Date: Wed May 07 2008 - 13:27:13 EST


On Wed, 7 May 2008, Eric Sesterhenn wrote:
> * Thomas Gleixner (tglx@xxxxxxxxxxxxx) wrote:
> > On Wed, 7 May 2008, Eric Sesterhenn wrote:
> > > * Ingo Molnar (mingo@xxxxxxx) wrote:
> > > >
> > > > * Frederik Deweerdt <deweerdt@xxxxxxx> wrote:
> > > >
> > > > > Hi Eric,
> > > > >
> > > > > This appears to be caused by init_fpu() missing from the
> > > > > restore_sigcontext->restore_i387->restore_fpu_checking code path.
> > > > >
> > > > > I believe that moving the init_fpu() call from math_state_restore to
> > > > > restore_fpu_checking should fix the problem?
> > >
> > > sadly the patch does not work for me :( I still get the oopses. I am
> > > running this on a 32 Bit CPU, so arch/x86/kernel/traps_64.c doesnt get
> > > compiled. I tried removing the same part from traps_32.c but then
> > > the kernel oopses before netconsole is active.
> >
> > I run that &$#@! intuitive test for an hour know with no effect. Can
> > you please provide your .config file ?
>
> sorry, ignored the CC, here it is.

Ok, we decoded the problem in meantime. Suresh will send a patch soon.

Thanks,

tglx
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