On 07/26/2011 04:44 AM, Maarten Lankhorst wrote:

On 07/26/2011 08:00 AM, Darren Hart wrote:

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On 07/25/2011 03:20 PM, Darren Hart wrote:

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On 07/24/2011 09:12 AM, Thomas Gleixner wrote:

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On Sun, 24 Jul 2011, Maarten Lankhorst wrote:

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Also not sure where this one came from:
[   37.456688] BUG: spinlock bad magic on CPU#3, threaded-ml/1619
[   37.456690]  lock: ffff8801fdc74d50, .magic: 00000000, .owner: <none>/-1, .owner_cpu: 0
[   37.456692] Pid: 1619, comm: threaded-ml Tainted: G         C  3.0.0-rt3-patser+ #39

Maarten, I'm finding fairly little out there on what threaded-ml might
be. What I do find suggests 3D visualization and real-time audio
playback. Are you working with something like this? If so, which
libraries are you using? If not, any idea what this is?

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[   37.456693] Call Trace:
[   37.456697]  [<ffffffff81607a78>] spin_bug+0xa0/0xa8
[   37.456699]  [<ffffffff8132b412>] do_raw_spin_lock+0xa2/0x170
[   37.456702]  [<ffffffff8104a201>] ? get_parent_ip+0x11/0x50
[   37.456704]  [<ffffffff8160d783>] _raw_spin_lock+0x23/0x30
[   37.456706]  [<ffffffff810931ce>] rt_mutex_start_proxy_lock+0x2e/0xd0
[   37.456708]  [<ffffffff8109093a>] futex_requeue+0x47a/0x850
[   37.456710]  [<ffffffff8109138e>] do_futex+0xae/0xb00

Maarten, could you provide the addr2line of the addresses from do_futex
to spin_bug ? This will help me trace the path.

Thanks,

-- 
Darren Hart
Intel Open Source Technology Center
Yocto Project - Linux Kernel