sento02のログにDisk fullがありました。
ActiveLog
at OpenSim.Region.CoreModules.Asset.FlotsamAssetCache.WriteFileCache (System.String filename, OpenSim.Framework.AssetBase asset) <0x40cc77c0 + 0x00163> in :0 .10:45:37 - [FLOTSAM ASSET CACHE] : Failed to write asset d2971fbd-6526-4dfe-94a9-5a3028a64a2a to temporary location ./assetcache/d29/dopz8j3l.9yx (final ./assetcache/d29/d2971fbd-6526-4dfe-94a9-5a3028a64a2a) on cache in ./assetcache/d29. Exception Disk full. Path /usr/local/opensim_git/bin/assetcache/d29/dopz8j3l.9yx at System.IO.FileStream.FlushBuffer () <0x7f60aeb412d0 + 0x00220> in :0