On Tue, 30 Sep 2008, Ingo Molnar wrote:
>

quoted text
> > -tip testing found that tip/tracing/ring-buffer causes a new lockdep

> > splat:

>

> FYI, triggered on a number of 32-bit test-systems as well - see the log

> below.

>

> 	Ingo

>

> [    0.564008] calling  tracer_alloc_buffers+0x0/0x16b @ 1

> [    0.574504] ------------[ cut here ]------------

> [    0.576002] WARNING: at kernel/lockdep.c:2880 check_flags+0x5a/0x155()

> [    0.576002] Modules linked in:

> [    0.576002] Pid: 1, comm: swapper Not tainted 2.6.27-rc8-tip-00915-g8cb18a9-dirty #37502

> [    0.576002]  [] warn_on_slowpath+0x46/0x6a

> [    0.576002]  [] ? trace_hardirqs_off+0xb/0xd

> [    0.576002]  [] ? __lock_acquire+0xa91/0xaad

> [    0.576002]  [] ? get_page_from_freelist+0x37b/0x455

> [    0.576002]  [] ? __raw_spin_is_locked+0x15/0x18

> [    0.576002]  [] ? find_usage_backwards+0x21/0xe1

> [    0.576002]  [] ? time_hardirqs_off+0xe/0x1f

> [    0.576002]  [] ? trace_hardirqs_off_caller+0x15/0xb8

> [    0.576002]  [] ? trace_hardirqs_off+0xb/0xd

Again, I think this is the same issue with the raws?
-- Steve
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