dpkg-source: info: extracting gvfs in gvfs-1.18.2
dpkg-source: info: unpacking gvfs_1.18.2.orig.tar.xz
dpkg-source: info: unpacking gvfs_1.18.2-0ubuntu1.debian.tar.gz
dpkg-source: info: applying 01_modules_dir.patch
dpkg-source: info: applying 04_hurd_path_max.patch
dpkg-source: info: applying 05_shared_libdaemon.patch
dpkg-source: info: applying 06_metadata_nfs.patch
dpkg-source: info: applying metadata-dont-flush-null-tree.patch
dpkg-source: info: applying metadata-nuke-junk-data.patch
dpkg-source: info: applying dont-crash-on-null-job.patch
dpkg-source: info: applying handle-inactive-vfs.patch
dpkg-source: info: applying ref-jobs-in-thread.patch
--- stack trace ---
#0  0x00007f34ec000488 in ?? ()
No symbol table info available.
#1  0x00007f34fb7c609d in ?? () from /usr/lib/x86_64-linux-gnu/libmtp.so.9
No symbol table info available.
#2  0x00007f34fb7c62ba in ?? () from /usr/lib/x86_64-linux-gnu/libmtp.so.9
No symbol table info available.
#3  0x00007f34fb7c6dac in ?? () from /usr/lib/x86_64-linux-gnu/libmtp.so.9
No symbol table info available.
#4  0x00007f34fb7dac35 in ?? () from /usr/lib/x86_64-linux-gnu/libmtp.so.9
No symbol table info available.
#5  0x00007f34fb7ba84a in LIBMTP_Release_Device () from /usr/lib/x86_64-linux-gnu/libmtp.so.9
No symbol table info available.
#6  0x0000000000408721 in do_unmount (backend=<optimized out>, job=0xe5ec30, flags=<optimized out>, mount_source=<optimized out>) at gvfsbackendmtp.c:761
        op_backend = 0xe5e0d0
#7  0x00007f34fc709ec6 in run (job=<optimized out>) at gvfsjobunmount.c:172
        op_job = 0xe5ec30
        class = 0xe5d590
#8  0x00007f34fc7087ba in g_vfs_job_run (job=0xe5ec30) at gvfsjob.c:197
        class = 0xe69d00
#9  0x00007f34fc7031ff in job_handler_callback (data=<optimized out>, user_data=<optimized out>) at gvfsdaemon.c:200
        job = 0xe5ec30
#10 0x00007f34fba6dab6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#11 0x00007f34fba6d0f5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#12 0x00007f34fb58cf6e in start_thread (arg=0x7f34f2ffd700) at pthread_create.c:311
        __res = <optimized out>
        pd = 0x7f34f2ffd700
        now = <optimized out>
        unwind_buf = {cancel_jmp_buf = {{jmp_buf = {139865391879936, -5747228084732117996, 0, 139865274516272, 140736887452304, 16, 5644236831160843284, 5644215605340584980}, 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"
#13 0x00007f34fb2b79cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
No locals.
--- source code stack trace ---
#0  0x00007f34ec000488 in ?? ()
#1  0x00007f34fb7c609d in ?? () from /usr/lib/x86_64-linux-gnu/libmtp.so.9
#2  0x00007f34fb7c62ba in ?? () from /usr/lib/x86_64-linux-gnu/libmtp.so.9
#3  0x00007f34fb7c6dac in ?? () from /usr/lib/x86_64-linux-gnu/libmtp.so.9
#4  0x00007f34fb7dac35 in ?? () from /usr/lib/x86_64-linux-gnu/libmtp.so.9
#5  0x00007f34fb7ba84a in LIBMTP_Release_Device () from /usr/lib/x86_64-linux-gnu/libmtp.so.9
#6  0x0000000000408721 in do_unmount (backend=<optimized out>, job=0xe5ec30, flags=<optimized out>, mount_source=<optimized out>) at gvfsbackendmtp.c:761
  756:   g_source_remove (op_backend->hb_id);
  757:   g_signal_handler_disconnect (op_backend->gudev_client,
  758:                                op_backend->on_uevent_id);
  759:   g_object_unref (op_backend->gudev_client);
  760:   g_clear_pointer (&op_backend->dev_path, g_free);
  761:   LIBMTP_Release_Device (op_backend->device);
  762: 
  763:   g_mutex_unlock (&op_backend->mutex);
  764: 
  765:   g_vfs_job_succeeded (G_VFS_JOB (job));
  766: 
#7  0x00007f34fc709ec6 in run (job=<optimized out>) at gvfsjobunmount.c:172
  167:   if (class->unmount == NULL)
  168:     return;
  169: 
  170:   unmount_progress_start (op_job);
  171: 
  172:   class->unmount (op_job->backend,
  173: 		  op_job,
  174:                   op_job->flags,
  175:                   op_job->mount_source);
  176: 
  177:   unmount_progress_clear (op_job);
#8  0x00007f34fc7087ba in g_vfs_job_run (job=0xe5ec30) at gvfsjob.c:197
  192:    * lifetime of the call, as it may disappear when
  193:    * we call g_vfs_job_succeed/fail()
  194:    */
  195:   g_object_ref (job);
  196:   
  197:   class->run (job);
  198:   
  199:   g_object_unref (job);
  200: }
  201: 
  202: gboolean
#9  0x00007f34fc7031ff in job_handler_callback (data=<optimized out>, user_data=<optimized out>) at gvfsdaemon.c:200
  195: job_handler_callback (gpointer       data,
  196: 		      gpointer       user_data)
  197: {
  198:   GVfsJob *job = G_VFS_JOB (data);
  199: 
  200:   g_vfs_job_run (job);
  201: }
  202: 
  203: static void
  204: name_appeared_handler (GDBusConnection *connection,
  205:                        const gchar *name,
#10 0x00007f34fba6dab6 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f34fba6d0f5 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007f34fb58cf6e in start_thread (arg=0x7f34f2ffd700) at pthread_create.c:311
  [Error: pthread_create.c was not found in source tree]
#13 0x00007f34fb2b79cd in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:113
  [Error: ../sysdeps/unix/sysv/linux/x86_64/clone.S was not found in source tree]

