On 07/26/2011 07:01 PM, Darren Hart wrote: > > On 07/26/2011 04:44 AM, Maarten Lankhorst wrote: >> On 07/26/2011 08:00 AM, Darren Hart wrote: >>> On 07/25/2011 03:20 PM, Darren Hart wrote: >>>> On 07/24/2011 09:12 AM, Thomas Gleixner wrote: >>>>> On Sun, 24 Jul 2011, Maarten Lankhorst wrote: >>>> ... >>>> >>>>>> 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? threaded ml = from pulseaudio, src/pulse/thread-mainloop.c to be exact. But like I said it occurs with the functional broadcast test too, on the waker thread. >>>>>> [ 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. decodes to: linux/lib/spinlock_debug.c:72 linux/lib/spinlock_debug.c:79 linux/kernel/sched.c:4114 linux/kernel/spinlock.c:141 linux/kernel/rtmutex.c:100 linux/kernel/futex.c:1378 linux/kernel/futex.c:2662 ~Maarten -- To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
