tracker-miner-fs crashed with SIGSEGV in g_file_get_uri()

first time i logged in to gnome-classic in Utopic. crash happened as soon as the desktop screen appeared

ProblemType: Crash
DistroRelease: Ubuntu 14.10
Package: tracker-miner-fs 1.0.2-1ubuntu3
ProcVersionSignature: Ubuntu 3.16.0-8.13-generic 3.16.0
Uname: Linux 3.16.0-8-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.14.5-0ubuntu4
Architecture: amd64
CurrentDesktop: GNOME
Date: Sun Aug 17 09:36:24 2014
ExecutablePath: /usr/lib/tracker/tracker-miner-fs
InstallationDate: Installed on 2014-08-16 (0 days ago)
InstallationMedia: Ubuntu-GNOME 14.10 "Utopic Unicorn" - Alpha amd64 (20140814)
ProcCmdline: /usr/lib/tracker/tracker-miner-fs
ProcEnviron:
 LANGUAGE=en_AU:en
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_AU.UTF-8
 SHELL=/bin/bash
SegvAnalysis:
 Segfault happened at: 0x7fe787fe7c0c <g_file_get_uri+28>: cmp %rax,0x0(%rbp)
 PC (0x7fe787fe7c0c) ok
 source "%rax" ok
 destination "0x0(%rbp)" (0x00000001) not located in a known VMA region (needed writable region)!
SegvReason: writing NULL VMA
Signal: 11
SourcePackage: tracker
StacktraceTop:
 g_file_get_uri () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libtracker-miner-1.0.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libtracker-miner-1.0.so.0
 g_cclosure_marshal_VOID__BOOLEANv () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
Title: tracker-miner-fs crashed with SIGSEGV in g_file_get_uri()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo