plaza/OpenSim/Region/Framework/Scenes/UuidGatherer.cs:112
  at OpenSim.Region.Framework.Scenes.UuidGatherer.GatherAssetUuids (OpenSim.Region.Framework.Scenes.SceneObjectGroup,System.Collections.Generic.IDictionary`2<OpenMetaverse.UUID, OpenMetaverse.AssetType>) [0x000f5] in /home/osgrid/PLAZA/
right_plaza/OpenSim/Region/Framework/Scenes/UuidGatherer.cs:181
  at Flotsam.RegionModules.AssetCache.FlotsamAssetCache/<CacheScenes>c__AnonStorey1.<>m__1 (OpenSim.Region.Framework.Scenes.SceneObjectGroup) [0x00000] in /home/osgrid/PLAZA/wright_plaza/OpenSim/Region/CoreModules/Asset/FlotsamAssetCach
.cs:719
  at OpenSim.Region.Framework.Scenes.SceneGraph.ForEachSOG (System.Action`1<OpenSim.Region.Framework.Scenes.SceneObjectGroup>) [0x00025] in /home/osgrid/PLAZA/wright_plaza/OpenSim/Region/Framework/Scenes/SceneGraph.cs:1183
  at OpenSim.Region.Framework.Scenes.Scene.ForEachSOG (System.Action`1<OpenSim.Region.Framework.Scenes.SceneObjectGroup>) [0x00000] in /home/osgrid/PLAZA/wright_plaza/OpenSim/Region/Framework/Scenes/Scene.cs:4372
  at Flotsam.RegionModules.AssetCache.FlotsamAssetCache.CacheScenes () [0x0004c] in /home/osgrid/PLAZA/wright_plaza/OpenSim/Region/CoreModules/Asset/FlotsamAssetCache.cs:717
  at Flotsam.RegionModules.AssetCache.FlotsamAssetCache.CleanupExpiredFiles (object,System.Timers.ElapsedEventArgs) [0x00042] in /home/osgrid/PLAZA/wright_plaza/OpenSim/Region/CoreModules/Asset/FlotsamAssetCache.cs:510
  at System.Timers.Timer.Callback (object) [0x00079] in /home/osgrid/install/mono2106/mono-2.10.6/mcs/class/System/System.Timers/Timer.cs:195
  at System.Threading.Timer/Scheduler.TimerCB (object) [0x00007] in /home/osgrid/install/mono2106/mono-2.10.6/mcs/class/corlib/System.Threading/Timer.cs:317
  at (wrapper runtime-invoke) <Module>.runtime_invoke_void__this___object (object,intptr,intptr,intptr) <IL 0x00052, 0xffffffff>

Native stacktrace:

        mono() [0x490496]
        /lib64/libpthread.so.0(+0xf2d0) [0x7f120089a2d0]
        /lib64/libc.so.6(gsignal+0x35) [0x7f1200550ab5]
        /lib64/libc.so.6(abort+0x186) [0x7f1200551fb6]
        mono() [0x5e38ff]
        mono() [0x5ecd7d]
        mono() [0x5ed209]
        mono() [0x5ed404]
        mono() [0x5ed5b3]
        mono() [0x5e726f]
        mono() [0x5e73a7]
        mono() [0x5e768a]
        mono() [0x5dacaf]
        mono(mono_array_new_specific+0xfa) [0x5678fa]
        [0x41560d7d]

Debug info from gdb:


=================================================================
Got a SIGABRT while executing native code. This usually indicates
a fatal error in the mono runtime or one of the native libraries
used by your application.
=================================================================