Re: perf sw_event related lockup

From: Peter Zijlstra
Date: Mon Nov 18 2013 - 03:54:56 EST


On Fri, Nov 15, 2013 at 12:26:16PM -0500, Vince Weaver wrote:
> On Fri, 15 Nov 2013, Peter Zijlstra wrote:
> >
> > Please enable CONFIG_FRAME_POINTER to get better backtraces, but the
> > above suggests the pagefault swevent, will have a look.
>
> here it is again I think. I compiled with CONFIG_FRAME_POINTER but the
> backtraces don't look that different.

Looks to be that other one -- the one where the intel constraints thing
goes belly up. I was hoping Stephane would look at that since I know
he's been rewriting that code.
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