Commits on Jun 14, 2023

1. gamma_control_v1: handle destroyed output …

   In case a display is unplugged, the sway output may be removed from the
   userdata before the gamma_control can be reset. In this case we can't
   schedule a commit on the output, simply return within the function.
   
   backtrace full:
   
     #0  handle_gamma_control_set_gamma (listener=0x4856a8 <server+616>, data=0x7ffce1ed59c0) at ../sway/desktop/output.c:1105
             server = 0x485440 <server>
             event = 0x7ffce1ed59c0
             output = 0x0
     swaywm#1  0x00007f430d1dca0c in wl_signal_emit_mutable ()
        from /nix/store/ky1g6ylzr2m4bq8fy0gzrnqmjr6948k5-wayland-1.22.0/lib/libwayland-server.so.0
     No symbol table info available.
     swaywm#2  0x00007f430d142370 in gamma_control_destroy (gamma_control=0x29eb9b0) at ../types/wlr_gamma_control_v1.c:37
             manager = 0x27e33e0
             output = 0x2a10770
             event = {output = 0x2a10770, control = 0x0}
     swaywm#3  0x00007f430d14239b in gamma_control_handle_output_destroy (listener=<optimized out>, data=<optimized out>)
         at ../types/wlr_gamma_control_v1.c:59
             gamma_control = <optimized out>
     swaywm#4  0x00007f430d1dca0c in wl_signal_emit_mutable ()
        from /nix/store/ky1g6ylzr2m4bq8fy0gzrnqmjr6948k5-wayland-1.22.0/lib/libwayland-server.so.0
     No symbol table info available.
     swaywm#5  0x00007f430d12a0e0 in wlr_output_destroy (output=output@entry=0x2a10770) at ../types/output/output.c:384
             cursor = <optimized out>
             tmp_cursor = <optimized out>
             layer = <optimized out>
             tmp_layer = <optimized out>
     swaywm#6  0x00007f430d114ecf in disconnect_drm_connector (conn=conn@entry=0x2a10770) at ../backend/drm/drm.c:1757
             __PRETTY_FUNCTION__ = "disconnect_drm_connector"
     swaywm#7  0x00007f430d117078 in scan_drm_connectors (drm=drm@entry=0x1eebab0, event=event@entry=0x7ffce1ed5c1c) at ../backend/drm/drm.c:1597
             c = <optimized out>
             wlr_conn = 0x2a10770
             drm_conn = 0x2e760d0
             conn_id = <optimized out>
             index = 4
             i = 4
             res = 0x2e761f0
             seen_len = 5
             seen = {true, true, true, true, true, false}
             new_outputs_len = 0
             new_outputs = 0x7ffce1ed5ab0
             conn = <optimized out>
             tmp_conn = <optimized out>
             index = <optimized out>
     swaywm#8  0x00007f430d113425 in handle_dev_change (listener=0x1eebbb0, data=0x7ffce1ed5c18) at ../backend/drm/backend.c:157
             drm = 0x1eebab0
             change = 0x7ffce1ed5c18
     swaywm#9  0x00007f430d1dca0c in wl_signal_emit_mutable ()
        from /nix/store/ky1g6ylzr2m4bq8fy0gzrnqmjr6948k5-wayland-1.22.0/lib/libwayland-server.so.0
     No symbol table info available.
     swaywm#10 0x00007f430d111696 in handle_udev_event (fd=<optimized out>, mask=<optimized out>, data=<optimized out>)
         at ../backend/session/session.c:213
             event = {type = WLR_DEVICE_HOTPLUG, {hotplug = {connector_id = 0, prop_id = 0}}}
             devnum = <optimized out>
             dev = 0x1ed9460
             session = <optimized out>
             udev_dev = 0x2e70db0
             sysname = 0x2e73c60 "card0"
             devnode = <optimized out>
             action = 0x7f430d6677b5 "change"
             seat = <optimized out>
             __PRETTY_FUNCTION__ = "handle_udev_event"
     swaywm#11 0x00007f430d1de8e2 in wl_event_loop_dispatch ()
        from /nix/store/ky1g6ylzr2m4bq8fy0gzrnqmjr6948k5-wayland-1.22.0/lib/libwayland-server.so.0
     No symbol table info available.
     swaywm#12 0x00007f430d1dc445 in wl_display_run () from /nix/store/ky1g6ylzr2m4bq8fy0gzrnqmjr6948k5-wayland-1.22.0/lib/libwayland-server.so.0
     No symbol table info available.
     swaywm#13 0x000000000041daa5 in server_run (server=server@entry=0x485440 <server>) at ../sway/server.c:338
     No locals.
     swaywm#14 0x000000000041cf4d in main (argc=<optimized out>, argv=0x7ffce1ed5fe8) at ../sway/main.c:415
             verbose = false
             debug = false
             validate = false
             allow_unsupported_gpu = false
             config_path = 0x0
           c = <optimized out>
   
   where event->output->data is NULL:
   
     (gdb) p event->output->data
     $5 = (void *) 0x0

   

   Emantor committed Jun 14, 2023
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