Messages in this thread | | | Date | Tue, 30 Sep 2008 08:04:56 -0400 (EDT) | From | Steven Rostedt <> | Subject | Re: [PATCH 0/6] ftrace: port to the new ring_buffer |
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On Tue, 30 Sep 2008, Ingo Molnar wrote:
> > > -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] [<c01536c4>] warn_on_slowpath+0x46/0x6a > [ 0.576002] [<c0170b14>] ? trace_hardirqs_off+0xb/0xd > [ 0.576002] [<c0173294>] ? __lock_acquire+0xa91/0xaad > [ 0.576002] [<c01a6470>] ? get_page_from_freelist+0x37b/0x455 > [ 0.576002] [<c0170044>] ? __raw_spin_is_locked+0x15/0x18 > [ 0.576002] [<c0171cf8>] ? find_usage_backwards+0x21/0xe1 > [ 0.576002] [<c019f852>] ? time_hardirqs_off+0xe/0x1f > [ 0.576002] [<c0170a66>] ? trace_hardirqs_off_caller+0x15/0xb8 > [ 0.576002] [<c0170b14>] ? trace_hardirqs_off+0xb/0xd
Again, I think this is the same issue with the raws?
-- Steve
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