No symbol "thread" in current context.

Thread 14 (Thread 0x7fffc5ffb700 (LWP 2027)):
#0  0x00007ffff44d0949 in syscall ()
    at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff748beea in g_cond_wait_until ()
    at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff741a109 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff741a72c in g_async_queue_timeout_pop ()
    at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ffff746e7bd in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ffff746dcf5 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#6  0x00007ffff479a74a in start_thread (arg=0x7fffc5ffb700)
    at pthread_create.c:456
#7  0x00007ffff44d6caf in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 9 (Thread 0x7fffc77fe700 (LWP 2022)):
#0  0x00007ffff44d0949 in syscall ()
    at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff748bdcf in g_cond_wait ()
    at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff74450a0 in g_main_context_wait ()
    at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff7446123 in g_main_loop_run ()
    at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007fffe47c558c in snapd_client_list_one_sync (client=0x555555ae4440, name=name@entry=0x7fffb807bb80 "atom", cancellable=cancellable@entry=0x5555573b8670, error=error@entry=0x0) at snapd-client.c:2809
#5  0x00007fffe49e372d in gs_plugin_refine_app (plugin=0x555555a840e0, app=0x7fffb807e6c0, flags=2097184, cancellable=0x5555573b8670, error=0x7fffc77fd938)
    at ../plugins/snap/gs-plugin-snap.c:499
#6  0x00005555555c56b9 in gs_plugin_loader_call_vfunc (helper=helper@entry=0x7fffb8081800, plugin=plugin@entry=0x555555a840e0, app=app@entry=0x7fffb807e6c0, list=0x555558747580, 
    list@entry=0x0, cancellable=cancellable@entry=0x5555573b8670, error=error@entry=0x7fffc77fdae8) at ../lib/gs-plugin-loader.c:597
#7  0x00005555555c5da9 in gs_plugin_loader_run_refine_internal (helper=helper@entry=0x7fffb8081800, list=list@entry=0x555558747580, cancellable=cancellable@entry=0x5555573b8670, error=error@entry=0x7fffc77fdae8)
    at ../lib/gs-plugin-loader.c:807
#8  0x00005555555c65a5 in gs_plugin_loader_run_refine (helper=helper@entry=0x55555625f1e0, list=list@entry=0x555558747580, cancellable=cancellable@entry=0x5555573b8670, error=error@entry=0x7fffc77fdae8) at ../lib/gs-plugin-loader.c:955
#9  0x00005555555c70a8 in gs_plugin_loader_process_thread_cb (task=0x555558611800, object=<optimised out>, task_data=0x55555625f1e0, cancellable=0x5555573b8670) at ../lib/gs-plugin-loader.c:3161
#10 0x00007ffff70ed5bd in  () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#11 0x00007ffff746e6ee in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007ffff746dcf5 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#13 0x00007ffff479a74a in start_thread (arg=0x7fffc77fe700)
    at pthread_create.c:456
#14 0x00007ffff44d6caf in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 7 (Thread 0x7fffccea4700 (LWP 2020)):
#0  0x00007ffff44d0949 in syscall ()
    at ../sysdeps/unix/sysv/linux/x86_64/syscall.S:38
#1  0x00007ffff748beea in g_cond_wait_until ()
    at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff741a109 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff746e6c6 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ffff746dcf5 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ffff479a74a in start_thread (arg=0x7fffccea4700)
    at pthread_create.c:456
#6  0x00007ffff44d6caf in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 4 (Thread 0x7fffe5856700 (LWP 1998)):
#0  0x00007ffff44cacdd in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007ffff7445df6 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff7445f0c in g_main_context_iteration ()
    at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007fffe585e46d in  ()
    at /usr/lib/x86_64-linux-gnu/gio/modules/libdconfsettings.so
#4  0x00007ffff746dcf5 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ffff479a74a in start_thread (arg=0x7fffe5856700)
    at pthread_create.c:456
#6  0x00007ffff44d6caf in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 3 (Thread 0x7fffe6264700 (LWP 1997)):
#0  0x00007ffff44cacdd in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007ffff7445df6 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff7446182 in g_main_loop_run ()
    at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff712e366 in  () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#4  0x00007ffff746dcf5 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ffff479a74a in start_thread (arg=0x7fffe6264700)
    at pthread_create.c:456
#6  0x00007ffff44d6caf in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 2 (Thread 0x7fffe6a65700 (LWP 1996)):
#0  0x00007ffff44cacdd in poll () at ../sysdeps/unix/syscall-template.S:84
#1  0x00007ffff7445df6 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#2  0x00007ffff7445f0c in g_main_context_iteration ()
    at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#3  0x00007ffff7445f51 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#4  0x00007ffff746dcf5 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#5  0x00007ffff479a74a in start_thread (arg=0x7fffe6a65700)
    at pthread_create.c:456
#6  0x00007ffff44d6caf in clone ()
    at ../sysdeps/unix/sysv/linux/x86_64/clone.S:97

Thread 1 (Thread 0x7ffff7f9b400 (LWP 1992)):
#0  0x00007ffff66c1020 in gtk_container_get_type ()
    at /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
#1  0x00007ffff66f8302 in  () at /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
#2  0x00007ffff66de0d4 in  () at /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
#3  0x00007ffff683b3b5 in gtk_style_context_set_parent ()
    at /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
#4  0x00007ffff68eb537 in gtk_widget_unparent ()
    at /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
#5  0x00007ffff6675ba6 in  () at /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
#6  0x00007ffff7723300 in g_cclosure_marshal_VOID__OBJECTv ()
    at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#7  0x00007ffff7720294 in  () at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#8  0x00007ffff773b0fd in g_signal_emit_valist ()
    at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#9  0x00007ffff773b7ef in g_signal_emit ()
    at /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
#10 0x00007ffff66c4b65 in gtk_container_remove ()
    at /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
#11 0x00007ffff6688a2e in  () at /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
#12 0x00007ffff66897d4 in gtk_button_set_label ()
    at /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
#13 0x0000555555582286 in gs_app_row_refresh_button (missing_search_result=<optimised out>, app_row=<optimised out>) at ../src/gs-app-row.c:224
#14 0x0000555555582286 in gs_app_row_refresh (app_row=<optimised out>)
    at ../src/gs-app-row.c:448
#15 0x0000555555582d02 in gs_app_row_set_selectable (app_row=<optimised out>, selectable=<optimised out>) at ../src/gs-app-row.c:796
#16 0x0000555555594c26 in gs_installed_page_add_app (self=<optimised out>, list=<optimised out>, app=0x7fffbc164e50) at ../src/gs-installed-page.c:209
#17 0x000055555559576b in gs_installed_page_get_installed_cb (source_object=<optimised out>, res=<optimised out>, user_data=<optimised out>)
    at ../src/gs-installed-page.c:244
#18 0x00007ffff70ec9d3 in  () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#19 0x00007ffff70eca09 in  () at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#20 0x00007ffff7445aaa in g_main_context_dispatch ()
    at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#21 0x00007ffff7445e60 in  () at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#22 0x00007ffff7445f0c in g_main_context_iteration ()
    at /lib/x86_64-linux-gnu/libglib-2.0.so.0
#23 0x00007ffff710231d in g_application_run ()
    at /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#24 0x0000555555576398 in main (argc=1, argv=0x7fffffffe2b8)
    at ../src/gs-main.c:59