1. In one terminal
$ ./gvfsd-smb share=hadess server=facile.local. user=hadess
### SMB: g_vfs_backend_smb_init: default workgroup = 'NULL'
### SMB: do_mount - URI = smb://facile.local./hadess
### SMB: do_mount - try #0 
### SMB: auth_callback - normal pass
### SMB: auth_callback - reusing keyring credentials: user = 'hadess', domain = 'MYGROUP'
### SMB: auth_callback - out: last_user = 'hadess', last_domain = 'MYGROUP'
### SMB: do_mount - [smb://facile.local./hadess; 0] res = 0, cancelled = 0, errno = [0] 'Success' 
### SMB: do_mount - login successful
Segmentation fault

2. In another:
$ GST_DEBUG=gio*:5 totem-video-thumbnailer -g 6 smb://hadess@facile.local./hadess/foo.avi foo.png 2> foo

Gtk-Message: Failed to load module "pk-gtk-module"
Gtk-Message: Failed to load module "canberra-gtk-module"
0:00:00.162632633 [331m32304[00m      0x17ba640 [37mDEBUG  [00m [00m             gio_src gstgiosrc.c:345:gst_gio_src_get_stream:<source>[00m opened location smb://hadess@facile.local./hadess/foo.avi
0:00:00.162720629 [331m32304[00m      0x17ba640 [37mDEBUG  [00m [00m        gio_base_src gstgiobasesrc.c:134:gst_gio_base_src_start:<source>[00m started source
0:00:00.175022049 [331m32304[00m      0x17ba640 [37mDEBUG  [00m [00m        gio_base_src gstgiobasesrc.c:190:gst_gio_base_src_get_size:<source>[00m found size: 734345216
0:00:00.175079884 [331m32304[00m      0x17ba640 [37mDEBUG  [00m [00m        gio_base_src gstgiobasesrc.c:265:gst_gio_base_src_is_seekable:<source>[00m can seek: 1
0:00:00.175138814 [331m32304[00m      0x17ba640 [37mDEBUG  [00m [00m        gio_base_src gstgiobasesrc.c:148:gst_gio_base_src_stop:<source>[00m closing stream
0:00:00.177269565 [331m32304[00m      0x17ba640 [37mDEBUG  [00m [00m        gio_base_src gstgiobasesrc.c:162:gst_gio_base_src_stop:<source>[00m g_input_stream_close succeeded
0:00:00.184855384 [331m32304[00m      0x17ba640 [37mDEBUG  [00m [00m             gio_src gstgiosrc.c:345:gst_gio_src_get_stream:<source>[00m opened location smb://hadess@facile.local./hadess/foo.avi
0:00:00.184901662 [331m32304[00m      0x17ba640 [37mDEBUG  [00m [00m        gio_base_src gstgiobasesrc.c:134:gst_gio_base_src_start:<source>[00m started source
0:00:00.189272991 [331m32304[00m      0x17ba640 [37mDEBUG  [00m [00m        gio_base_src gstgiobasesrc.c:190:gst_gio_base_src_get_size:<source>[00m found size: 734345216
0:00:00.189325831 [331m32304[00m      0x17ba640 [37mDEBUG  [00m [00m        gio_base_src gstgiobasesrc.c:265:gst_gio_base_src_is_seekable:<source>[00m can seek: 1
0:00:00.250567334 [331m32304[00m      0x18f4cf0 [37mDEBUG  [00m [00m        gio_base_src gstgiobasesrc.c:383:gst_gio_base_src_create:<source>[00m Read successful
0:00:00.250627194 [331m32304[00m      0x18f4cf0 [37mDEBUG  [00m [00m        gio_base_src gstgiobasesrc.c:386:gst_gio_base_src_create:<source>[00m Creating subbuffer from new cached buffer: offset 0 length 4096
0:00:00.261594417 [331m32304[00m 0x7f7028040b70 [37mDEBUG  [00m [00m        gio_base_src gstgiobasesrc.c:313:gst_gio_base_src_create:<source>[00m Creating subbuffer from cached buffer: offset 0 length 12
0:00:00.261640929 [331m32304[00m 0x7f7028040b70 [37mDEBUG  [00m [00m        gio_base_src gstgiobasesrc.c:313:gst_gio_base_src_create:<source>[00m Creating subbuffer from cached buffer: offset 12 length 8
0:00:00.261665866 [331m32304[00m 0x7f7028040b70 [37mDEBUG  [00m [00m        gio_base_src gstgiobasesrc.c:336:gst_gio_base_src_create:<source>[00m Seeking to position 20
0:00:00.324376647 [331m32304[00m 0x7f7028040b70 [37mDEBUG  [00m [00m        gio_base_src gstgiobasesrc.c:383:gst_gio_base_src_create:<source>[00m Read successful
0:00:00.324449451 [331m32304[00m 0x7f7028040b70 [37mDEBUG  [00m [00m        gio_base_src gstgiobasesrc.c:386:gst_gio_base_src_create:<source>[00m Creating subbuffer from new cached buffer: offset 20 length 8818
0:00:00.325218295 [331m32304[00m 0x7f7028040b70 [37mDEBUG  [00m [00m        gio_base_src gstgiobasesrc.c:383:gst_gio_base_src_create:<source>[00m Read successful
0:00:00.325253338 [331m32304[00m 0x7f7028040b70 [37mDEBUG  [00m [00m        gio_base_src gstgiobasesrc.c:386:gst_gio_base_src_create:<source>[00m Creating subbuffer from new cached buffer: offset 8838 length 12
0:00:00.325301524 [331m32304[00m 0x7f7028040b70 [37mDEBUG  [00m [00m        gio_base_src gstgiobasesrc.c:313:gst_gio_base_src_create:<source>[00m Creating subbuffer from cached buffer: offset 8838 length 8
0:00:00.325343486 [331m32304[00m 0x7f7028040b70 [37mDEBUG  [00m [00m        gio_base_src gstgiobasesrc.c:313:gst_gio_base_src_create:<source>[00m Creating subbuffer from cached buffer: offset 8846 length 28
0:00:00.325504466 [331m32304[00m 0x7f7028040b70 [37mDEBUG  [00m [00m        gio_base_src gstgiobasesrc.c:313:gst_gio_base_src_create:<source>[00m Creating subbuffer from cached buffer: offset 8874 length 12
0:00:00.325572868 [331m32304[00m 0x7f7028040b70 [37mDEBUG  [00m [00m        gio_base_src gstgiobasesrc.c:313:gst_gio_base_src_create:<source>[00m Creating subbuffer from cached buffer: offset 10240 length 12
0:00:00.325620151 [331m32304[00m 0x7f7028040b70 [37mDEBUG  [00m [00m        gio_base_src gstgiobasesrc.c:313:gst_gio_base_src_create:<source>[00m Creating subbuffer from cached buffer: offset 10240 length 8
0:00:00.325669852 [331m32304[00m 0x7f7028040b70 [37mDEBUG  [00m [00m        gio_base_src gstgiobasesrc.c:336:gst_gio_base_src_create:<source>[00m Seeking to position 730998298
0:00:00.371494513 [331m32304[00m 0x7f7028040b70 [37mDEBUG  [00m [00m        gio_base_src gstgiobasesrc.c:383:gst_gio_base_src_create:<source>[00m Read successful
0:00:00.371535346 [331m32304[00m 0x7f7028040b70 [37mDEBUG  [00m [00m        gio_base_src gstgiobasesrc.c:386:gst_gio_base_src_create:<source>[00m Creating subbuffer from new cached buffer: offset 730998298 length 8
0:00:00.371599743 [331m32304[00m 0x7f7028040b70 [37mDEBUG  [00m [00m        gio_base_src gstgiobasesrc.c:313:gst_gio_base_src_create:<source>[00m Creating subbuffer from cached buffer: offset 730998298 length 8
0:00:00.371687214 [331m32304[00m 0x7f7028040b70 [37mDEBUG  [00m [00m        gio_base_src gstgiobasesrc.c:336:gst_gio_base_src_create:<source>[00m Seeking to position 730998306
0:00:02.226616614 [331m32304[00m 0x7f7028040b70 [37mDEBUG  [00m [00m        gio_base_src gstgiobasesrc.c:383:gst_gio_base_src_create:<source>[00m Read successful
0:00:02.226674108 [331m32304[00m 0x7f7028040b70 [37mDEBUG  [00m [00m        gio_base_src gstgiobasesrc.c:386:gst_gio_base_src_create:<source>[00m Creating subbuffer from new cached buffer: offset 730998306 length 3345552
0:00:02.246837562 [331m32304[00m 0x7f7028040b70 [37mDEBUG  [00m [00m        gio_base_src gstgiobasesrc.c:265:gst_gio_base_src_is_seekable:<source>[00m can seek: 1
0:00:02.251609503 [331m32304[00m 0x7f7028040b70 [37mDEBUG  [00m [00m        gio_base_src gstgiobasesrc.c:336:gst_gio_base_src_create:<source>[00m Seeking to position 22268
0:00:02.275074732 [331m32304[00m 0x7f7028040b70 [37mDEBUG  [00m [00m        gio_base_src gstgiobasesrc.c:383:gst_gio_base_src_create:<source>[00m Read successful
0:00:02.275126320 [331m32304[00m 0x7f7028040b70 [37mDEBUG  [00m [00m        gio_base_src gstgiobasesrc.c:386:gst_gio_base_src_create:<source>[00m Creating subbuffer from new cached buffer: offset 22268 length 18470
0:00:02.275246789 [331m32304[00m 0x7f7028040b70 [37mDEBUG  [00m [00m        gio_base_src gstgiobasesrc.c:336:gst_gio_base_src_create:<source>[00m Seeking to position 10260
0:00:02.347454899 [331m32304[00m 0x7f7028040b70 [37mDEBUG  [00m [00m        gio_base_src gstgiobasesrc.c:383:gst_gio_base_src_create:<source>[00m Read successful
0:00:02.347498518 [331m32304[00m 0x7f7028040b70 [37mDEBUG  [00m [00m        gio_base_src gstgiobasesrc.c:386:gst_gio_base_src_create:<source>[00m Creating subbuffer from new cached buffer: offset 10260 length 12000
0:00:02.347576834 [331m32304[00m 0x7f7028040b70 [37mDEBUG  [00m [00m        gio_base_src gstgiobasesrc.c:336:gst_gio_base_src_create:<source>[00m Seeking to position 41554
0:00:02.369685985 [331m32304[00m 0x7f7028040b70 [37mDEBUG  [00m [00m        gio_base_src gstgiobasesrc.c:383:gst_gio_base_src_create:<source>[00m Read successful
0:00:02.369733680 [331m32304[00m 0x7f7028040b70 [37mDEBUG  [00m [00m        gio_base_src gstgiobasesrc.c:386:gst_gio_base_src_create:<source>[00m Creating subbuffer from new cached buffer: offset 41554 length 3210
0:00:02.369812822 [331m32304[00m 0x7f7028040b70 [37mDEBUG  [00m [00m        gio_base_src gstgiobasesrc.c:313:gst_gio_base_src_create:<source>[00m Creating subbuffer from cached buffer: offset 45582 length 7
0:00:02.369870466 [331m32304[00m 0x7f7028040b70 [37mDEBUG  [00m [00m        gio_base_src gstgiobasesrc.c:336:gst_gio_base_src_create:<source>[00m Seeking to position 46408
0:00:02.389762749 [331m32304[00m 0x7f7028040b70 [37mDEBUG  [00m [00m        gio_base_src gstgiobasesrc.c:383:gst_gio_base_src_create:<source>[00m Read successful
0:00:02.389806203 [331m32304[00m 0x7f7028040b70 [37mDEBUG  [00m [00m        gio_base_src gstgiobasesrc.c:386:gst_gio_base_src_create:<source>[00m Creating subbuffer from new cached buffer: offset 46408 length 1934
0:00:02.389864321 [331m32304[00m 0x7f7028040b70 [37mDEBUG  [00m [00m        gio_base_src gstgiobasesrc.c:313:gst_gio_base_src_create:<source>[00m Creating subbuffer from cached buffer: offset 49160 length 7
0:00:02.389910802 [331m32304[00m 0x7f7028040b70 [37mDEBUG  [00m [00m        gio_base_src gstgiobasesrc.c:336:gst_gio_base_src_create:<source>[00m Seeking to position 49986
0:00:02.432086011 [331m32304[00m 0x7f7028040b70 [37mDEBUG  [00m [00m        gio_base_src gstgiobasesrc.c:383:gst_gio_base_src_create:<source>[00m Read successful
0:00:02.432131738 [331m32304[00m 0x7f7028040b70 [37mDEBUG  [00m [00m        gio_base_src gstgiobasesrc.c:386:gst_gio_base_src_create:<source>[00m Creating subbuffer from new cached buffer: offset 49986 length 867
0:00:02.432218953 [331m32304[00m 0x7f7028040b70 [37mDEBUG  [00m [00m        gio_base_src gstgiobasesrc.c:313:gst_gio_base_src_create:<source>[00m Creating subbuffer from cached buffer: offset 51670 length 7
0:00:02.432304635 [331m32304[00m 0x7f7028040b70 [37mDEBUG  [00m [00m        gio_base_src gstgiobasesrc.c:336:gst_gio_base_src_create:<source>[00m Seeking to position 52496
0:00:02.490065356 [331m32304[00m 0x7f7028040b70 [33;01mWARN   [00m [00m                 gio gstgio.c:89:gst_gio_seek:<source>[00m error: Could not seek: Error in stream protocol: End of stream
0:00:02.490218404 [331m32304[00m 0x7f7028040b70 [31;01mERROR  [00m [00;04m             default totem-gst-helpers.c:61:totem_gst_message_print:[00m message = Could not perform seek on resource.
0:00:02.490257276 [331m32304[00m 0x7f7028040b70 [31;01mERROR  [00m [00;04m             default totem-gst-helpers.c:63:totem_gst_message_print:[00m domain  = 3700 (gst-resource-error-quark)
0:00:02.490292236 [331m32304[00m 0x7f7028040b70 [31;01mERROR  [00m [00;04m             default totem-gst-helpers.c:64:totem_gst_message_print:[00m code    = 11
0:00:02.490322896 [331m32304[00m 0x7f7028040b70 [31;01mERROR  [00m [00;04m             default totem-gst-helpers.c:65:totem_gst_message_print:[00m debug   = gstgio.c(89): gst_gio_seek (): /GstPlayBin:play/GstURIDecodeBin:uridecodebin0/GstGioSrc:source:
Could not seek: Error in stream protocol: End of stream
0:00:02.490358490 [331m32304[00m 0x7f7028040b70 [31;01mERROR  [00m [00;04m             default totem-gst-helpers.c:66:totem_gst_message_print:[00m source  = <source>
0:00:02.490402540 [331m32304[00m 0x7f7028040b70 [31;01mERROR  [00m [00;04m             default totem-gst-helpers.c:67:totem_gst_message_print:[00m uri     = (NULL)
