Thread 1 (Thread 0x7fcbe6540980 (LWP 1244)):
#0  g_logv (log_domain=0x7fcbcdf07b3c "wacom-plugin", log_level=G_LOG_LEVEL_ERROR, format=0x7fcbcdf07fe0 "Pressurecurve requires 4 values.", args1=args1@entry=0x7fff50b36e58) at gmessages.h:101
        domain = 0x0
        data = <optimized out>
        depth = <optimized out>
        log_func = <optimized out>
        domain_fatal_mask = <optimized out>
        masquerade_fatal = <optimized out>
        test_level = <optimized out>
        was_fatal = <optimized out>
        was_recursion = <optimized out>
        i = <optimized out>
#1  0x00000037b6a4eb22 in g_log (log_domain=log_domain@entry=0x7fcbcdf07b3c "wacom-plugin", log_level=log_level@entry=G_LOG_LEVEL_ERROR, format=format@entry=0x7fcbcdf07fe0 "Pressurecurve requires 4 values.") at gmessages.c:792
        args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7fff50b36f30, reg_save_area = 0x7fff50b36e70}}
#2  0x00007fcbcdf02033 in set_pressurecurve (device=device@entry=0xe10900 [GsdWacomDevice], value=0x0) at gsd-wacom-manager.c:198
        property = {name = 0x7fcbcdf07cae "Wacom Pressurecurve", nitems = 4, format = 32, type = 19, data = {c = 0x0, i = 0x0}}
        nvalues = 239287678081
#3  0x00007fcbcdf0272a in apply_stylus_settings (device=device@entry=0xe10900 [GsdWacomDevice]) at gsd-wacom-manager.c:369
        stylus_settings = 0x0
        stylus = 0x0
        threshold = <optimized out>
#4  0x00007fcbcdf02b36 in set_wacom_settings (device=0xe10900 [GsdWacomDevice], manager=0xd02ed0 [GsdWacomManager]) at gsd-wacom-manager.c:525
        type = WACOM_TYPE_ERASER
        settings = 0xdcee30 [GSettings]
#5  device_added_cb (device_manager=<optimized out>, gdk_device=<optimized out>, manager=manager@entry=0xd02ed0 [GsdWacomManager]) at gsd-wacom-manager.c:645
        device = 0xe10900 [GsdWacomDevice]
        settings = <optimized out>
#6  0x00007fcbcdf02ddb in gsd_wacom_manager_idle_cb (manager=0xd02ed0 [GsdWacomManager]) at gsd-wacom-manager.c:841
        devices = 0xe09380 = {0xb5f520, 0xb5f4b0, 0xb5f440, 0xb5f340, 0xb5f2d0, 0xb5f260, 0xb5f1f0, 0xb5f180, 0xb5f110, 0xb5f0a0, 0xb5f030}
        l = 0xe09360 = {0xb5f4b0, 0xb5f440, 0xb5f340, 0xb5f2d0, 0xb5f260, 0xb5f1f0, 0xb5f180, 0xb5f110, 0xb5f0a0, 0xb5f030}
        ls = <optimized out>
        __PRETTY_FUNCTION__ = "gsd_wacom_manager_idle_cb"
#7  0x00000037b6a476ac in g_main_dispatch (context=0xb633d0) at gmain.c:2510
        dispatch = 0x37b6a45400 <g_idle_dispatch>
        was_in_call = 0
        user_data = 0xd02ed0
        callback = 0x7fcbcdf02ce0 <gsd_wacom_manager_idle_cb>
        cb_funcs = 0x37b6d1d960
        cb_data = 0xd17670
        current_source_link = {data = 0xd07550, next = 0x0}
        need_destroy = <optimized out>
        source = 0xd07550
        current = 0xba6ca0
        i = <optimized out>
#8  g_main_context_dispatch (context=context@entry=0xb633d0) at gmain.c:3047
No locals.
#9  0x00000037b6a47ac8 in g_main_context_iterate (context=0xb633d0, block=block@entry=1, dispatch=dispatch@entry=1, self=<error reading variable: Unhandled dwarf expression opcode 0xfa>) at gmain.c:3118
        max_priority = 200
        timeout = 0
        some_ready = 1
        nfds = <optimized out>
        allocated_nfds = <optimized out>
        fds = 0xb7a770
#10 0x00000037b6a47eb2 in g_main_loop_run (loop=0xd98350) at gmain.c:3312
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#11 0x0000003393f91c05 in gtk_main () at gtkmain.c:1163
        loop = 0xd98350
#12 0x000000000040392d in main (argc=1, argv=0x7fff50b372c8) at main.c:456
        res = <optimized out>
        error = 0x0
        __PRETTY_FUNCTION__ = "main"
