Re: 2.6.33: ftrace triggers soft lockup

[Steven Rostedt]

On Mon, 2010-03-15 at 10:39 -0400, Steven Rostedt wrote:

> > As I said in the offline mail, this warning is caused by global trace_clock,
> > and I sent a fix sometime ago:
> > 
> > http://lkml.org/lkml/2009/12/21/4
> 
> Ah, I was waiting for a final Acked-by: from Peter Zijlstra.
> 
> Peter,
> 
> Should I pull in that patch? I don't see anything wrong with converting
> a raw_local_irq_save() to a local_irq_save() in the tracing code. I'll
> apply it locally and see if it fixes the warn on that I see.

Peter,

I ran the stress test for an hour without any lockdep warnings with Li's
patch. Normally it would trigger in a second. Can I get your acked-by?

Thanks,

-- Steve


--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/