I just experienced this crash on my 64-bit Xubuntu 12.10 installation. colord 
version is 0.1.21-1ubuntu2
Crash report:

ProblemType: Crash
Architecture: amd64
Date: Wed Jan 16 14:29:28 2013
DistroRelease: Ubuntu 12.10
ExecutablePath: /usr/lib/x86_64-linux-gnu/colord/colord
ExecutableTimestamp: 1349864942
ProcCmdline: /usr/lib/x86_64-linux-gnu/colord/colord
ProcCwd: /
ProcEnviron: 
ProcMaps:
 00400000-0041f000 r-xp 00000000 08:03 15255878                           
/usr/lib/x86_64-linux-gnu/colord/colord
 0061f000-00620000 r--p 0001f000 08:03 15255878                           
/usr/lib/x86_64-linux-gnu/colord/colord
 00620000-00621000 rw-p 00020000 08:03 15255878                           
/usr/lib/x86_64-linux-gnu/colord/colord
 00844000-008b1000 rw-p 00000000 00:00 0                                  [heap]
 7f130c000000-7f130c021000 rw-p 00000000 00:00 0 
 7f130c021000-7f1310000000 ---p 00000000 00:00 0 
 7f1310000000-7f1310022000 rw-p 00000000 00:00 0 
 7f1310022000-7f1314000000 ---p 00000000 00:00 0 
 7f1314000000-7f1314022000 rw-p 00000000 00:00 0 
 7f1314022000-7f1318000000 ---p 00000000 00:00 0 
 7f1318356000-7f1318357000 ---p 00000000 00:00 0 
 7f1318357000-7f1318b57000 rw-p 00000000 00:00 0                          
[stack:1635]
 7f1318b57000-7f1318b63000 r-xp 00000000 08:03 12207776                   
/lib/x86_64-linux-gnu/libnss_files-2.15.so
 7f1318b63000-7f1318d62000 ---p 0000c000 08:03 12207776                   
/lib/x86_64-linux-gnu/libnss_files-2.15.so
 7f1318d62000-7f1318d63000 r--p 0000b000 08:03 12207776                   
/lib/x86_64-linux-gnu/libnss_files-2.15.so
 7f1318d63000-7f1318d64000 rw-p 0000c000 08:03 12207776                   
/lib/x86_64-linux-gnu/libnss_files-2.15.so
 7f1318d64000-7f1318d6e000 r-xp 00000000 08:03 12207772                   
/lib/x86_64-linux-gnu/libnss_nis-2.15.so
 7f1318d6e000-7f1318f6e000 ---p 0000a000 08:03 12207772                   
/lib/x86_64-linux-gnu/libnss_nis-2.15.so
 7f1318f6e000-7f1318f6f000 r--p 0000a000 08:03 12207772                   
/lib/x86_64-linux-gnu/libnss_nis-2.15.so
 7f1318f6f000-7f1318f70000 rw-p 0000b000 08:03 12207772                   
/lib/x86_64-linux-gnu/libnss_nis-2.15.so
 7f1318f70000-7f1318f87000 r-xp 00000000 08:03 12207788                   
/lib/x86_64-linux-gnu/libnsl-2.15.so
 7f1318f87000-7f1319186000 ---p 00017000 08:03 12207788                   
/lib/x86_64-linux-gnu/libnsl-2.15.so
 7f1319186000-7f1319187000 r--p 00016000 08:03 12207788                   
/lib/x86_64-linux-gnu/libnsl-2.15.so
 7f1319187000-7f1319188000 rw-p 00017000 08:03 12207788                   
/lib/x86_64-linux-gnu/libnsl-2.15.so
 7f1319188000-7f131918a000 rw-p 00000000 00:00 0 
 7f131918a000-7f1319192000 r-xp 00000000 08:03 12207777                   
/lib/x86_64-linux-gnu/libnss_compat-2.15.so
 7f1319192000-7f1319391000 ---p 00008000 08:03 12207777                   
/lib/x86_64-linux-gnu/libnss_compat-2.15.so
 7f1319391000-7f1319392000 r--p 00007000 08:03 12207777                   
/lib/x86_64-linux-gnu/libnss_compat-2.15.so
 7f1319392000-7f1319393000 rw-p 00008000 08:03 12207777                   
/lib/x86_64-linux-gnu/libnss_compat-2.15.so
 7f1319393000-7f1319394000 ---p 00000000 00:00 0 
 7f1319394000-7f1319b94000 rw-p 00000000 00:00 0                          
[stack:1634]
 7f1319b94000-7f1319b95000 ---p 00000000 00:00 0 
 7f1319b95000-7f131a399000 rw-p 00000000 00:00 0                          
[stack:1632]
 7f131a399000-7f131a3a0000 r-xp 00000000 08:03 12207770                   
/lib/x86_64-linux-gnu/librt-2.15.so
 7f131a3a0000-7f131a59f000 ---p 00007000 08:03 12207770                   
/lib/x86_64-linux-gnu/librt-2.15.so
 7f131a59f000-7f131a5a0000 r--p 00006000 08:03 12207770                   
/lib/x86_64-linux-gnu/librt-2.15.so
 7f131a5a0000-7f131a5a1000 rw-p 00007000 08:03 12207770                   
/lib/x86_64-linux-gnu/librt-2.15.so
 7f131a5a1000-7f131a5dd000 r-xp 00000000 08:03 12206311                   
/lib/x86_64-linux-gnu/libpcre.so.3.13.1
 7f131a5dd000-7f131a7dc000 ---p 0003c000 08:03 12206311                   
/lib/x86_64-linux-gnu/libpcre.so.3.13.1
 7f131a7dc000-7f131a7dd000 r--p 0003b000 08:03 12206311                   
/lib/x86_64-linux-gnu/libpcre.so.3.13.1
 7f131a7dd000-7f131a7de000 rw-p 0003c000 08:03 12206311                   
/lib/x86_64-linux-gnu/libpcre.so.3.13.1
 7f131a7de000-7f131a7df000 rw-p 00000000 00:00 0 
 7f131a7df000-7f131a7e6000 r-xp 00000000 08:03 7053669                    
/usr/lib/x86_64-linux-gnu/libffi.so.6.0.0
 7f131a7e6000-7f131a9e5000 ---p 00007000 08:03 7053669                    
/usr/lib/x86_64-linux-gnu/libffi.so.6.0.0
 7f131a9e5000-7f131a9e6000 r--p 00006000 08:03 7053669                    
/usr/lib/x86_64-linux-gnu/libffi.so.6.0.0
 7f131a9e6000-7f131a9e7000 rw-p 00007000 08:03 7053669                    
/usr/lib/x86_64-linux-gnu/libffi.so.6.0.0
 7f131a9e7000-7f131a9ff000 r-xp 00000000 08:03 12207771                   
/lib/x86_64-linux-gnu/libresolv-2.15.so
 7f131a9ff000-7f131abff000 ---p 00018000 08:03 12207771                   
/lib/x86_64-linux-gnu/libresolv-2.15.so
 7f131abff000-7f131ac00000 r--p 00018000 08:03 12207771                   
/lib/x86_64-linux-gnu/libresolv-2.15.so
 7f131ac00000-7f131ac01000 rw-p 00019000 08:03 12207771                   
/lib/x86_64-linux-gnu/libresolv-2.15.so
 7f131ac01000-7f131ac03000 rw-p 00000000 00:00 0 
 7f131ac03000-7f131ac20000 r-xp 00000000 08:03 12207475                   
/lib/x86_64-linux-gnu/libselinux.so.1
 7f131ac20000-7f131ae1f000 ---p 0001d000 08:03 12207475                   
/lib/x86_64-linux-gnu/libselinux.so.1
 7f131ae1f000-7f131ae20000 r--p 0001c000 08:03 12207475                   
/lib/x86_64-linux-gnu/libselinux.so.1
 7f131ae20000-7f131ae21000 rw-p 0001d000 08:03 12207475                   
/lib/x86_64-linux-gnu/libselinux.so.1
 7f131ae21000-7f131ae22000 rw-p 00000000 00:00 0 
 7f131ae22000-7f131ae38000 r-xp 00000000 08:03 12207465                   
/lib/x86_64-linux-gnu/libz.so.1.2.7
 7f131ae38000-7f131b037000 ---p 00016000 08:03 12207465                   
/lib/x86_64-linux-gnu/libz.so.1.2.7
 7f131b037000-7f131b038000 r--p 00015000 08:03 12207465                   
/lib/x86_64-linux-gnu/libz.so.1.2.7
 7f131b038000-7f131b039000 rw-p 00016000 08:03 12207465                   
/lib/x86_64-linux-gnu/libz.so.1.2.7
 7f131b039000-7f131b045000 r-xp 00000000 08:03 12206755                   
/lib/x86_64-linux-gnu/libudev.so.0.13.0
 7f131b045000-7f131b244000 ---p 0000c000 08:03 12206755                   
/lib/x86_64-linux-gnu/libudev.so.0.13.0
 7f131b244000-7f131b245000 r--p 0000b000 08:03 12206755                   
/lib/x86_64-linux-gnu/libudev.so.0.13.0
 7f131b245000-7f131b246000 rw-p 0000c000 08:03 12206755                   
/lib/x86_64-linux-gnu/libudev.so.0.13.0
 7f131b246000-7f131b341000 r-xp 00000000 08:03 12207774                   
/lib/x86_64-linux-gnu/libm-2.15.so
 7f131b341000-7f131b540000 ---p 000fb000 08:03 12207774                   
/lib/x86_64-linux-gnu/libm-2.15.so
 7f131b540000-7f131b541000 r--p 000fa000 08:03 12207774                   
/lib/x86_64-linux-gnu/libm-2.15.so
 7f131b541000-7f131b542000 rw-p 000fb000 08:03 12207774                   
/lib/x86_64-linux-gnu/libm-2.15.so
 7f131b542000-7f131b544000 r-xp 00000000 08:03 12207605                   
/lib/x86_64-linux-gnu/libdl-2.15.so
 7f131b544000-7f131b744000 ---p 00002000 08:03 12207605                   
/lib/x86_64-linux-gnu/libdl-2.15.so
 7f131b744000-7f131b745000 r--p 00002000 08:03 12207605                   
/lib/x86_64-linux-gnu/libdl-2.15.so
 7f131b745000-7f131b746000 rw-p 00003000 08:03 12207605                   
/lib/x86_64-linux-gnu/libdl-2.15.so
 7f131b746000-7f131b8fb000 r-xp 00000000 08:03 12207765                   
/lib/x86_64-linux-gnu/libc-2.15.so
 7f131b8fb000-7f131bafa000 ---p 001b5000 08:03 12207765                   
/lib/x86_64-linux-gnu/libc-2.15.so
 7f131bafa000-7f131bafe000 r--p 001b4000 08:03 12207765                   
/lib/x86_64-linux-gnu/libc-2.15.so
 7f131bafe000-7f131bb00000 rw-p 001b8000 08:03 12207765                   
/lib/x86_64-linux-gnu/libc-2.15.so
 7f131bb00000-7f131bb05000 rw-p 00000000 00:00 0 
 7f131bb05000-7f131bb1d000 r-xp 00000000 08:03 12207767                   
/lib/x86_64-linux-gnu/libpthread-2.15.so
 7f131bb1d000-7f131bd1c000 ---p 00018000 08:03 12207767                   
/lib/x86_64-linux-gnu/libpthread-2.15.so
 7f131bd1c000-7f131bd1d000 r--p 00017000 08:03 12207767                   
/lib/x86_64-linux-gnu/libpthread-2.15.so
 7f131bd1d000-7f131bd1e000 rw-p 00018000 08:03 12207767                   
/lib/x86_64-linux-gnu/libpthread-2.15.so
 7f131bd1e000-7f131bd22000 rw-p 00000000 00:00 0 
 7f131bd22000-7f131be17000 r-xp 00000000 08:03 12207509                   
/lib/x86_64-linux-gnu/libglib-2.0.so.0.3400.1
 7f131be17000-7f131c016000 ---p 000f5000 08:03 12207509                   
/lib/x86_64-linux-gnu/libglib-2.0.so.0.3400.1
 7f131c016000-7f131c017000 r--p 000f4000 08:03 12207509                   
/lib/x86_64-linux-gnu/libglib-2.0.so.0.3400.1
 7f131c017000-7f131c018000 rw-p 000f5000 08:03 12207509                   
/lib/x86_64-linux-gnu/libglib-2.0.so.0.3400.1
 7f131c018000-7f131c019000 rw-p 00000000 00:00 0 
 7f131c019000-7f131c01c000 r-xp 00000000 08:03 15147277                   
/usr/lib/x86_64-linux-gnu/libgmodule-2.0.so.0.3400.1
 7f131c01c000-7f131c21b000 ---p 00003000 08:03 15147277                   
/usr/lib/x86_64-linux-gnu/libgmodule-2.0.so.0.3400.1
 7f131c21b000-7f131c21c000 r--p 00002000 08:03 15147277                   
/usr/lib/x86_64-linux-gnu/libgmodule-2.0.so.0.3400.1
 7f131c21c000-7f131c21d000 rw-p 00003000 08:03 15147277                   
/usr/lib/x86_64-linux-gnu/libgmodule-2.0.so.0.3400.1
 7f131c21d000-7f131c26a000 r-xp 00000000 08:03 15147273                   
/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0.3400.1
 7f131c26a000-7f131c46a000 ---p 0004d000 08:03 15147273                   
/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0.3400.1
 7f131c46a000-7f131c46b000 r--p 0004d000 08:03 15147273                   
/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0.3400.1
 7f131c46b000-7f131c46c000 rw-p 0004e000 08:03 15147273                   
/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0.3400.1
 7f131c46c000-7f131c5ba000 r-xp 00000000 08:03 15147850                   
/usr/lib/x86_64-linux-gnu/libgio-2.0.so.0.3400.1
 7f131c5ba000-7f131c7b9000 ---p 0014e000 08:03 15147850                   
/usr/lib/x86_64-linux-gnu/libgio-2.0.so.0.3400.1
 7f131c7b9000-7f131c7bd000 r--p 0014d000 08:03 15147850                   
/usr/lib/x86_64-linux-gnu/libgio-2.0.so.0.3400.1
 7f131c7bd000-7f131c7bf000 rw-p 00151000 08:03 15147850                   
/usr/lib/x86_64-linux-gnu/libgio-2.0.so.0.3400.1
 7f131c7bf000-7f131c7c1000 rw-p 00000000 00:00 0 
 7f131c7c1000-7f131c7c9000 r-xp 00000000 08:03 7053558                    
/usr/lib/x86_64-linux-gnu/libgudev-1.0.so.0.1.1
 7f131c7c9000-7f131c9c9000 ---p 00008000 08:03 7053558                    
/usr/lib/x86_64-linux-gnu/libgudev-1.0.so.0.1.1
 7f131c9c9000-7f131c9ca000 r--p 00008000 08:03 7053558                    
/usr/lib/x86_64-linux-gnu/libgudev-1.0.so.0.1.1
 7f131c9ca000-7f131c9cb000 rw-p 00009000 08:03 7053558                    
/usr/lib/x86_64-linux-gnu/libgudev-1.0.so.0.1.1
 7f131c9cb000-7f131ca13000 r-xp 00000000 08:03 15147237                   
/usr/lib/x86_64-linux-gnu/liblcms2.so.2.0.2
 7f131ca13000-7f131cc12000 ---p 00048000 08:03 15147237                   
/usr/lib/x86_64-linux-gnu/liblcms2.so.2.0.2
 7f131cc12000-7f131cc13000 r--p 00047000 08:03 15147237                   
/usr/lib/x86_64-linux-gnu/liblcms2.so.2.0.2
 7f131cc13000-7f131cc18000 rw-p 00048000 08:03 15147237                   
/usr/lib/x86_64-linux-gnu/liblcms2.so.2.0.2
 7f131cc18000-7f131cc31000 r-xp 00000000 08:03 7053577                    
/usr/lib/x86_64-linux-gnu/libpolkit-gobject-1.so.0.0.0
 7f131cc31000-7f131ce30000 ---p 00019000 08:03 7053577                    
/usr/lib/x86_64-linux-gnu/libpolkit-gobject-1.so.0.0.0
 7f131ce30000-7f131ce31000 r--p 00018000 08:03 7053577                    
/usr/lib/x86_64-linux-gnu/libpolkit-gobject-1.so.0.0.0
 7f131ce31000-7f131ce32000 rw-p 00019000 08:03 7053577                    
/usr/lib/x86_64-linux-gnu/libpolkit-gobject-1.so.0.0.0
 7f131ce32000-7f131ced7000 r-xp 00000000 08:03 15147763                   
/usr/lib/x86_64-linux-gnu/libsqlite3.so.0.8.6
 7f131ced7000-7f131d0d7000 ---p 000a5000 08:03 15147763                   
/usr/lib/x86_64-linux-gnu/libsqlite3.so.0.8.6
 7f131d0d7000-7f131d0d9000 r--p 000a5000 08:03 15147763                   
/usr/lib/x86_64-linux-gnu/libsqlite3.so.0.8.6
 7f131d0d9000-7f131d0db000 rw-p 000a7000 08:03 15147763                   
/usr/lib/x86_64-linux-gnu/libsqlite3.so.0.8.6
 7f131d0db000-7f131d0dc000 rw-p 00000000 00:00 0 
 7f131d0dc000-7f131d0fe000 r-xp 00000000 08:03 12207781                   
/lib/x86_64-linux-gnu/ld-2.15.so
 7f131d2ce000-7f131d2d3000 rw-p 00000000 00:00 0 
 7f131d2f5000-7f131d2fc000 r--s 00000000 08:03 15256260                   
/usr/lib/x86_64-linux-gnu/gconv/gconv-modules.cache
 7f131d2fc000-7f131d2fe000 rw-p 00000000 00:00 0 
 7f131d2fe000-7f131d2ff000 r--p 00022000 08:03 12207781                   
/lib/x86_64-linux-gnu/ld-2.15.so
 7f131d2ff000-7f131d301000 rw-p 00023000 08:03 12207781                   
/lib/x86_64-linux-gnu/ld-2.15.so
 7fffb2518000-7fffb2539000 rw-p 00000000 00:00 0                          
[stack]
 7fffb25ff000-7fffb2600000 r-xp 00000000 00:00 0                          [vdso]
 ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0                  
[vsyscall]
ProcStatus:
 Name:  colord
 State: S (sleeping)
 Tgid:  1251
 Pid:   1251
 PPid:  1250
 TracerPid:     0
 Uid:   102     102     102     102
 Gid:   129     129     129     129
 FDSize:        64
 Groups:        105 129 
 VmPeak:          276904 kB
 VmSize:          276904 kB
 VmLck:        0 kB
 VmPin:        0 kB
 VmHWM:     3996 kB
 VmRSS:     3996 kB
 VmData:          221756 kB
 VmStk:      136 kB
 VmExe:      124 kB
 VmLib:     7564 kB
 VmPTE:      144 kB
 VmSwap:               0 kB
 Threads:       4
 SigQ:  0/30906
 SigPnd:        0000000000000000
 ShdPnd:        0000000000000000
 SigBlk:        0000000000000000
 SigIgn:        0000000000001000
 SigCgt:        0000000180010000
 CapInh:        0000000000000000
 CapPrm:        0000000000000000
 CapEff:        0000000000000000
 CapBnd:        ffffffffffffffff
 Cpus_allowed:  ff
 Cpus_allowed_list:     0-7
 Mems_allowed:  00000000,00000001
 Mems_allowed_list:     0
 voluntary_ctxt_switches:       33
 nonvoluntary_ctxt_switches:    5
Signal: 11
Uname: Linux 3.5.0-21-generic x86_64
UserGroups: scanner
Disassembly:
 => 0x40b23d <cd_device_register_object+157>:   mov    0x8(%rax),%rbx
    0x40b241 <cd_device_register_object+161>:   callq  0x407d90 
<cd_main_error_quark>
    0x40b246 <cd_device_register_object+166>:   mov    $0x417420,%ecx
    0x40b24b <cd_device_register_object+171>:   mov    %eax,%esi
    0x40b24d <cd_device_register_object+173>:   xor    %edx,%edx
    0x40b24f <cd_device_register_object+175>:   xor    %eax,%eax
    0x40b251 <cd_device_register_object+177>:   mov    %rbx,%r8
    0x40b254 <cd_device_register_object+180>:   mov    %r12,%rdi
    0x40b257 <cd_device_register_object+183>:   callq  0x407080 
<g_set_error@plt>
    0x40b25c <cd_device_register_object+188>:   mov    0x18(%rsp),%rdi
    0x40b261 <cd_device_register_object+193>:   callq  0x4074f0 
<g_error_free@plt>
    0x40b266 <cd_device_register_object+198>:   xor    %eax,%eax
    0x40b268 <cd_device_register_object+200>:   jmp    0x40b21d 
<cd_device_register_object+125>
    0x40b26a:   nopw   0x0(%rax,%rax,1)
    0x40b270 <cd_device_watch_sender>:  mov    %rbx,-0x18(%rsp)
    0x40b275 <cd_device_watch_sender+5>:        mov    %rbp,-0x10(%rsp)
MarkForUpload: True
NonfreeKernelModules: nvidia
Package: colord 0.1.21-1ubuntu2
PackageArchitecture: amd64
ProcVersionSignature: Ubuntu 3.5.0-21.32-generic 3.5.7.1
Registers:
 rax            0x0     0
 rbx            0x896800        9005056
 rcx            0x0     0
 rdx            0x896820        9005088
 rsi            0xffffffff      4294967295
 rdi            0x7f131bafe740  139720045619008
 rbp            0x896820        0x896820
 rsp            0x7fffb2537160  0x7fffb2537160
 r8             0x7f131bafe790  139720045619088
 r9             0x0     0
 r10            0x0     0
 r11            0x0     0
 r12            0x7fffb25371d8  140736185201112
 r13            0x854800        8734720
 r14            0x1     1
 r15            0x84c020        8699936
 rip            0x40b23d        0x40b23d <cd_device_register_object+157>
 eflags         0x10246 [ PF ZF IF RF ]
 cs             0x33    51
 ss             0x2b    43
 ds             0x0     0
 es             0x0     0
 fs             0x0     0
 gs             0x0     0
SegvAnalysis:
 Segfault happened at: 0x40b23d <cd_device_register_object+157>:        mov    
0x8(%rax),%rbx
 PC (0x0040b23d) ok
 source "0x8(%rax)" (0x00000008) not located in a known VMA region (needed 
readable region)!
 destination "%rbx" ok
SegvReason: reading NULL VMA
SourcePackage: colord
Stacktrace:
 #0  0x000000000040b23d in cd_device_register_object ()
 No symbol table info available.
 #1  0x0000000000413896 in ?? ()
 No symbol table info available.
 #2  0x0000000000413ed9 in ?? ()
 No symbol table info available.
 #3  0x00007f131c2305c4 in g_cclosure_marshal_VOID__OBJECTv () from 
/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 No symbol table info available.
 #4  0x00007f131c22d407 in ?? () from 
/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 No symbol table info available.
 #5  0x00007f131c245df6 in g_signal_emit_valist () from 
/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 No symbol table info available.
 #6  0x00007f131c246642 in g_signal_emit () from 
/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 No symbol table info available.
 #7  0x0000000000415a0f in ?? ()
 No symbol table info available.
 #8  0x00007f131c22d140 in g_closure_invoke () from 
/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 No symbol table info available.
 #9  0x00007f131c23e550 in ?? () from 
/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 No symbol table info available.
 #10 0x00007f131c2464af in g_signal_emit_valist () from 
/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 No symbol table info available.
 #11 0x00007f131c246642 in g_signal_emit () from 
/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 No symbol table info available.
 #12 0x00007f131c7c4b90 in ?? () from 
/usr/lib/x86_64-linux-gnu/libgudev-1.0.so.0
 No symbol table info available.
 #13 0x00007f131bd69ab5 in g_main_context_dispatch () from 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
 No symbol table info available.
 #14 0x00007f131bd69de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 No symbol table info available.
 #15 0x00007f131bd6a1e2 in g_main_loop_run () from 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
 No symbol table info available.
 #16 0x0000000000407be6 in main ()
 No symbol table info available.
StacktraceAddressSignature: 
/usr/lib/x86_64-linux-gnu/colord/colord:11:x86_64:/usr/lib/x86_64-linux-gnu/colord/colord+b23d:/usr/lib/x86_64-linux-gnu/colord/colord+13896:/usr/lib/x86_64-linux-gnu/colord/colord+13ed9:/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0.3400.1+135c4:/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0.3400.1+10407:/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0.3400.1+28df6:/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0.3400.1+29642:/usr/lib/x86_64-linux-gnu/colord/colord+15a0f:/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0.3400.1+10140:/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0.3400.1+21550:/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0.3400.1+294af:/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0.3400.1+29642:/usr/lib/x86_64-linux-gnu/libgudev-1.0.so.0.1.1+3b90:/lib/x86_64-linux-gnu/libglib-2.0.so.0.3400.1+47ab5:/lib/x86_64-linux-gnu/libglib-2.0.so.0.3400.1+47de8
StacktraceTop:
 cd_device_register_object ()
 ?? ()
 ?? ()
 g_cclosure_marshal_VOID__OBJECTv () from 
/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
Tags:  quantal
ThreadStacktrace:
 .
 Thread 4 (Thread 0x7f1318b56700 (LWP 1635)):
 #0  0x00007f131b82e303 in __GI___poll (fds=<optimized out>, nfds=<optimized 
out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
         resultvar = <optimized out>
         oldtype = 0
         result = <optimized out>
 #1  0x00007f131bd69d84 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 No symbol table info available.
 #2  0x00007f131bd6a1e2 in g_main_loop_run () from 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
 No symbol table info available.
 #3  0x00007f131c5384a6 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
 No symbol table info available.
 #4  0x00007f131bd8d645 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 No symbol table info available.
 #5  0x00007f131bb0ce9a in start_thread (arg=0x7f1318b56700) at 
pthread_create.c:308
         __res = <optimized out>
         pd = 0x7f1318b56700
         now = <optimized out>
         unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 1055465941115797195, 
139720021064720, 139719995648448, 0, 3, -1115778056991342901, 
-1115780208239378741}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 
0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
         not_first_call = 0
         pagesize_m1 = <optimized out>
         sp = <optimized out>
         freesize = <optimized out>
         __PRETTY_FUNCTION__ = "start_thread"
 #6  0x00007f131b839cbd in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
 No locals.
 #7  0x0000000000000000 in ?? ()
 No symbol table info available.
 .
 Thread 3 (Thread 0x7f1319b93700 (LWP 1634)):
 #0  0x00007f131b82e303 in __GI___poll (fds=<optimized out>, nfds=<optimized 
out>, timeout=<optimized out>) at ../sysdeps/unix/sysv/linux/poll.c:87
         resultvar = <optimized out>
         oldtype = 0
         result = <optimized out>
 #1  0x00007f131bd69d84 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 No symbol table info available.
 #2  0x00007f131bd69ea4 in g_main_context_iteration () from 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
 No symbol table info available.
 #3  0x00007f131bd69ef1 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 No symbol table info available.
 #4  0x00007f131bd8d645 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 No symbol table info available.
 #5  0x00007f131bb0ce9a in start_thread (arg=0x7f1319b93700) at 
pthread_create.c:308
         __res = <optimized out>
         pd = 0x7f1319b93700
         now = <optimized out>
         unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 1055465941115797195, 
140736185201408, 139720012675520, 0, 3, -1115775757573226805, 
-1115780208239378741}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 
0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
         not_first_call = 0
         pagesize_m1 = <optimized out>
         sp = <optimized out>
         freesize = <optimized out>
         __PRETTY_FUNCTION__ = "start_thread"
 #6  0x00007f131b839cbd in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
 No locals.
 #7  0x0000000000000000 in ?? ()
 No symbol table info available.
 .
 Thread 2 (Thread 0x7f131a394700 (LWP 1632)):
 #0  check_match (sym=0x7f131bd2cd38) at dl-lookup.c:208
         stt = <optimized out>
         __PRETTY_FUNCTION__ = "check_match"
         verstab = 0x7f131bd37f0c
         type_class = 1
         ref = 0x7f131c470908
         strtab = 0x7f131bd2f960 ""
         undef_name = 0x7f131c48a6c6 "g_variant_get_byte"
         map = 0x7f131d2d19f8
         version = 0x0
         symidx = 1315
         flags = 5
         num_versions = 0
         versioned_sym = 0x0
 #1  0x00007f131d0e62ae in do_lookup_x (new_hash=2202955282, 
old_hash=<optimized out>, result=0x7f131a3935a0, scope=<optimized out>, 
i=<optimized out>, flags=5, skip=0x0, undef_map=0x7f131d2d29f0) at 
dl-lookup.c:250
         hasharr = <optimized out>
         bucket = <optimized out>
         bitmask_word = <optimized out>
         hashbit1 = 18
         hashbit2 = <optimized out>
         symtab = 0x7f131bd251f0
         sym = <optimized out>
         bitmask = <optimized out>
         n = 21
         list = 0x7f131a7decc8
         __PRETTY_FUNCTION__ = "do_lookup_x"
         num_versions = 0
         versioned_sym = 0x0
         map = 0x7f131d2d19f8
         type_class = 1
         undef_name = 0x7f131c48a6c6 "g_variant_get_byte"
         strtab = 0x7f131bd2f960 ""
         symidx = 1315
         ref = 0x7f131c470908
         version = 0x0
 #2  0x00007f131d0e6533 in _dl_lookup_symbol_x (undef_name=0x7f131c48a6c6 
"g_variant_get_byte", undef_map=0x7f131d2d29f0, ref=0x7f131a393630, 
symbol_scope=0x7f131d2d2d48, version=0x0, type_class=1, flags=5, skip_map=0x0) 
at dl-lookup.c:739
         res = <optimized out>
         start = <optimized out>
         new_hash = 2202955282
         old_hash = 4294967295
         current_value = {s = 0x0, m = 0x0}
         scope = 0x7f131d2d2d48
         __PRETTY_FUNCTION__ = "_dl_lookup_symbol_x"
         i = 0
         protected = <optimized out>
 #3  0x00007f131d0ea784 in _dl_fixup (l=<optimized out>, reloc_arg=<optimized 
out>) at ../elf/dl-runtime.c:119
         version = <optimized out>
         flags = <optimized out>
         old_rtld_must_xmm_save = 0
         symtab = <optimized out>
         strtab = <optimized out>
         reloc = <optimized out>
         sym = 0x7f131c470908
         rel_addr = 0x7f131c7bd6a8
         result = <optimized out>
         value = <optimized out>
         __PRETTY_FUNCTION__ = "_dl_fixup"
 #4  0x00007f131d0f1245 in _dl_runtime_resolve () at 
../sysdeps/x86_64/dl-trampoline.S:42
 No locals.
 #5  0x00007f131c52ddcd in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
 No symbol table info available.
 #6  0x00007f131c52d95f in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
 No symbol table info available.
 #7  0x00007f131c52dee3 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
 No symbol table info available.
 #8  0x00007f131c531185 in g_dbus_message_to_blob () from 
/usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
 No symbol table info available.
 #9  0x00007f131c526433 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
 No symbol table info available.
 #10 0x00007f131c5278fd in g_dbus_connection_send_message_with_reply () from 
/usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
 No symbol table info available.
 #11 0x00007f131c52aa39 in g_dbus_connection_send_message_with_reply_sync () 
from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
 No symbol table info available.
 #12 0x00007f131c52ae50 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
 No symbol table info available.
 #13 0x00007f131c52cbf8 in g_dbus_connection_call_sync () from 
/usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
 No symbol table info available.
 #14 0x00007f131c52ce66 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
 No symbol table info available.
 #15 0x00007f131c49dd51 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
 No symbol table info available.
 #16 0x00007f131c4d9e3e in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
 No symbol table info available.
 #17 0x00007f131c4c8236 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
 No symbol table info available.
 #18 0x00007f131bd8de62 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 No symbol table info available.
 #19 0x00007f131bd8d645 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 No symbol table info available.
 #20 0x00007f131bb0ce9a in start_thread (arg=0x7f131a394700) at 
pthread_create.c:308
         __res = <optimized out>
         pd = 0x7f131a394700
         now = <optimized out>
         unwind_buf = {cancel_jmp_buf = {{jmp_buf = {0, 1055465941115797195, 
140736185203360, 139720021068224, 0, 3, -1115783454691492149, 
-1115780208239378741}, mask_was_saved = 0}}, priv = {pad = {0x0, 0x0, 0x0, 
0x0}, data = {prev = 0x0, cleanup = 0x0, canceltype = 0}}}
         not_first_call = 0
         pagesize_m1 = <optimized out>
         sp = <optimized out>
         freesize = <optimized out>
         __PRETTY_FUNCTION__ = "start_thread"
 #21 0x00007f131b839cbd in clone () at 
../sysdeps/unix/sysv/linux/x86_64/clone.S:112
 No locals.
 #22 0x0000000000000000 in ?? ()
 No symbol table info available.
 .
 Thread 1 (Thread 0x7f131a3957c0 (LWP 1251)):
 #0  0x000000000040b23d in cd_device_register_object ()
 No symbol table info available.
 #1  0x0000000000413896 in ?? ()
 No symbol table info available.
 #2  0x0000000000413ed9 in ?? ()
 No symbol table info available.
 #3  0x00007f131c2305c4 in g_cclosure_marshal_VOID__OBJECTv () from 
/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 No symbol table info available.
 #4  0x00007f131c22d407 in ?? () from 
/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 No symbol table info available.
 #5  0x00007f131c245df6 in g_signal_emit_valist () from 
/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 No symbol table info available.
 #6  0x00007f131c246642 in g_signal_emit () from 
/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 No symbol table info available.
 #7  0x0000000000415a0f in ?? ()
 No symbol table info available.
 #8  0x00007f131c22d140 in g_closure_invoke () from 
/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 No symbol table info available.
 #9  0x00007f131c23e550 in ?? () from 
/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 No symbol table info available.
 #10 0x00007f131c2464af in g_signal_emit_valist () from 
/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 No symbol table info available.
 #11 0x00007f131c246642 in g_signal_emit () from 
/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 No symbol table info available.
 #12 0x00007f131c7c4b90 in ?? () from 
/usr/lib/x86_64-linux-gnu/libgudev-1.0.so.0
 No symbol table info available.
 #13 0x00007f131bd69ab5 in g_main_context_dispatch () from 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
 No symbol table info available.
 #14 0x00007f131bd69de8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
 No symbol table info available.
 #15 0x00007f131bd6a1e2 in g_main_loop_run () from 
/lib/x86_64-linux-gnu/libglib-2.0.so.0
 No symbol table info available.
 #16 0x0000000000407be6 in main ()
 No symbol table info available.
Title: colord crashed with SIGSEGV in cd_device_register_object()
UpgradeStatus: Upgraded to quantal on 2012-12-01 (46 days ago)

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https://bugs.launchpad.net/bugs/1021374

Title:
  colord crashed with SIGSEGV in cd_device_register_object()

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