Hi,
Did verify.
Do not use bluetooth.
here is seen in Console report. (changed the name for privacy reason)
Nov 15 16:46:52 NAME-nokonpyuta-2 /System/Library/CoreServices/backupd[4944]: Backup requested by user
Nov 15 16:46:52 NAME-nokonpyuta-2 /System/Library/CoreServices/backupd[4944]: Starting standard backup
Nov 15 16:46:53 NAME-nokonpyuta-2 /System/Library/CoreServices/backupd[4944]: Backing up to: /Volumes/FreeAgent GoFlex Drive/Backups.backupdb
Nov 15 16:46:54 NAME-nokonpyuta-2 /System/Library/CoreServices/backupd[4944]: Event store UUIDs don't match for volume: Macintosh HD
Nov 15 16:46:54 NAME-nokonpyuta-2 /System/Library/CoreServices/backupd[4944]: Backup content size: 98.4 GB excluded items size: 10.8 MB for volume Macintosh HD
Nov 15 16:46:54 NAME-nokonpyuta-2 /System/Library/CoreServices/backupd[4944]: No pre-backup thinning needed: 118.11 GB requested (including padding), 697.88 GB available
Nov 15 16:46:54 NAME-nokonpyuta-2 /System/Library/CoreServices/backupd[4944]: Waiting for index to be ready (910 > 0)
Nov 15 16:47:13 NAME-nokonpyuta-2 ReportCrash[4948]: Formulating crash report for process backupd[4944]
Nov 15 16:47:15 NAME-nokonpyuta-2 com.apple.launchd[1] (com.apple.backupd[4944]): Exited abnormally: Bus error
Nov 15 16:47:17 NAME-nokonpyuta-2 ReportCrash[4948]: Saved crashreport to /Library/Logs/CrashReporter/backupd_2013-11-15-164711_NAME-nokonpyuta-2.crash using uid: 0 gid: 0, euid: 0 egid: 0