ODE INTERNAL ERROR 2: invalid operation for locked space in dGeomMoved()
Stacktrace:

  at (wrapper managed-to-native) Ode.NET.d.WorldQuickStep (intptr,single) <0x00004>
  at (wrapper managed-to-native) Ode.NET.d.WorldQuickStep (intptr,single) <0xffffffff>
  at OpenSim.Region.Physics.OdePlugin.OdeScene.Simulate (single) <0x0082b>
  at OpenSim.Region.Environment.Scenes.InnerScene.UpdatePhysics (double) <0x00031>
  at OpenSim.Region.Environment.Scenes.Scene.Update () <0x001ab>
  at OpenSim.Region.Environment.Scenes.Scene.Heartbeat (object,System.EventArgs) <0x0000b>
  at System.Timers.Timer.Callback (object) <0x002a6>
  at (wrapper delegate-invoke) System.MulticastDelegate.invoke_void_object (object) <0xffffffff>
  at (wrapper runtime-invoke) System.Threading.WaitCallback.runtime_invoke_void_object (object,intptr,intptr,intptr) <0xffffffff>

Native stacktrace:

        mono [0x81681c0]
        [0x2c3440]
        /lib/libc.so.6(abort+0x101) [0x4f9f5451]
        libode.so(dDebug+0x3c) [0x1b8532c]
        libode.so(dGeomMoved+0xe5) [0x1b8f1f5]
        libode.so(_Z10dxStepBodyP6dxBodyf+0x168) [0x1bba788]
        libode.so(_Z14dxQuickStepperP7dxWorldPKP6dxBodyiPKP7dxJointif+0xefe) [0x1b8ca2e]
        libode.so(_Z16dxProcessIslandsP7dxWorldfPFvS0_PKP6dxBodyiPKP7dxJointifE+0x278) [0x1bbaba8]
        libode.so(dWorldQuickStep+0x47) [0x1b84687]
        [0x203fa22]
        [0x203e82c]
        [0x57b82d2]
        [0x57b5b1c]
        [0x57b5644]
        [0x94cabf]
        [0x94c7f4]
        [0x94c74e]
        mono [0x8154f36]
        mono(mono_runtime_invoke+0x27) [0x80927b7]
        mono(mono_runtime_invoke_array+0x210) [0x80983c0]
        mono [0x8098682]
        mono [0x80cf99d]
        mono [0x80cfe63]
        mono [0x80cd990]
        mono [0x811b280]
        mono [0x81314c4]
        /lib/libpthread.so.0 [0x4fb3e2db]
        /lib/libc.so.6(clone+0x5e) [0x4fa9812e]