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SubjectRe: [PATCH 1/3] Increase lockdep limits: MAX_STACK_TRACE_ENTRIES
On Thu, 2009-07-09 at 00:39 -0400, Dave Jones wrote:
> On Wed, Jul 08, 2009 at 08:36:04PM +0200, Peter Zijlstra wrote:
> > Looking at a lockdep dump hch gave me I can see that that is certainly
> > possible, I see tons of very deep callchains.
> >
> > /me wonders if we're getting significantly deeper..
> Looking at /proc/lockdep, I'm curious..
> Take a look at
> scroll down to c12c0924
> What's up with all those old_style_spin_init's ?

What kernel are you running? Does your lib/dma_debug.c:dma_debug_init()
have spin_lock_init() in that HASH_SIZE loop?

If so, then there's someone else doing silly, if not, you seriously need
to upgrade your kernel because you're running something ancient,
like .30 :-)

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