SIGSEGV in strchr-avx2.S upon starting gnome-control-center (sound panel)
I get a segfault trying to start gnome-control-center in a remote ssh session. It worked earlier today, but then suddenly it stopped working, so something got corrupted. Reinstalling gnome-control-center and deleting ~/.cache did nothing.
Ubuntu 22 GLIBC 2.35-0ubuntu3.1
backtrace with debug symbols. It looks like the problem is in the sound control panel:
Thread 1 "gnome-control-c" received signal SIGSEGV, Segmentation fault.
__strchr_avx2 () at ../sysdeps/x86_64/multiarch/strchr-avx2.S:65
65 ../sysdeps/x86_64/multiarch/strchr-avx2.S: No such file or directory.
(gdb) bt full
#0 __strchr_avx2 () at ../sysdeps/x86_64/multiarch/strchr-avx2.S:65
#1 0x00007ffff5eda080 in __strstr_sse2 (haystack=<optimized out>, needle=0x55555570626f "ubuntu") at ../string/strstr.c:84
hs = <optimized out>
ne = 0x55555570626f "ubuntu"
ne_len = <optimized out>
hs_len = <optimized out>
end = <optimized out>
shift = "\000\000\000\000\000\000\000\000\000\367\377\377\377\377\377\377", '\000' <repeats 32 times>, "@pVVUU\000\000\323d\355\365\377\177\000\000@pVVUU\000\000\023\254\353\367\377\177", '\000' <repeats 11 times>, "oH2\002\210\323٠\305\377\377\377\177\000\000\240\305\377\377\377\177\000\000`\r^VUU\000\000j3\315\367\377\177\000\000`\r^VUU\000\000\373\372\353\367\377\177\000\000\220\rGVUU\000\000\310\032\354\367\377\177\000\000\360@MVUU\000\000yv:VUU", '\000' <repeats 26 times>, "\067"...
tmp = <optimized out>
shift1 = <optimized out>
m1 = <optimized out>
offset = <optimized out>
#2 0x0000555555652f7e in cc_sound_panel_init (self=0x5555564265e0) at ../panels/sound/cc-sound-panel.c:305
#3 0x00007ffff7dabfba in g_type_create_instance (type=<optimized out>) at ../../../gobject/gtype.c:1929
node = 0x555556470d90
instance = 0x5555564265e0
Python Exception <class 'TypeError'>: can only concatenate str (not "NoneType") to str
class =
allocated = <optimized out>
private_size = <optimized out>
ivar_size = <optimized out>
i = <optimized out>
#4 0x00007ffff7d930ed in g_object_new_internal (class=class@entry=0x555556567040, params=params@entry=0x7fffffffc890, n_params=n_params@entry=2) at ../../../gobject/gobject.c:2023
nqueue = 0x0
object = <optimized out>
__func__ = "g_object_new_internal"
#5 0x00007ffff7d948f8 in g_object_new_valistPython Exception <class 'TypeError'>: can only concatenate str (not "NoneType") to str
(object_type=, first_property_name=<optimized out>, var_args=var_args@entry=0x7fffffffcb60) at ../../../gobject/gobject.c:2367
params = 0x7fffffffc890
values = 0x7fffffffc990
params_stack = {{pspec = 0x555556563210, value = 0x7fffffffc990}, {pspec = 0x7fff380044c0, value = 0x7fffffffc9a8}, {pspec = 0x0, value = 0x0}, {pspec = 0x0, value = 0x0}, {pspec = 0x0, value = 0x0}, {pspec = 0x0, value = 0x0}, {pspec = 0x0, value = 0x0}, {pspec = 0x0, value = 0x0}, {pspec = 0x0, value = 0x0}, {pspec = 0xffffffffffffffdc, value = 0xd9d3880232486f00}, {pspec = 0x7fffffffcaa0, value = 0x1}, {pspec = 0x7fffdc040ad0, value = 0x7ffff5ed56ab <_int_malloc+3195>}, {pspec = 0x555556513020, value = 0x7ffff604ace0 <main_arena+96>}, {pspec = 0x7, value = 0x7fffe04381b3}, {pspec = 0x2100000007, value = 0x201}, {pspec = 0x300000000, value = 0x38}}
Python Exception <class 'TypeError'>: can only concatenate str (not "NoneType") to str
Python Exception <class 'TypeError'>: can only concatenate str (not "NoneType") to str
Python Exception <class 'TypeError'>: can only concatenate str (not "NoneType") to str
Python Exception <class 'TypeError'>: can only concatenate str (not "NoneType") to str
values_stack = {{g_type = 0x5555563afe30 [None], data = {{v_int = 1446798016, v_uint = 1446798016, v_long = 93825007379136, v_ulong = 93825007379136, v_int64 = 93825007379136, v_uint64 = 93825007379136, v_float = 5.17830785e+13, v_double = 4.6355712866832551e-310, v_pointer = 0x5555563c62c0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}, {g_type = 0x54 [None], data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}, {g_type = <error reading variable: Cannot access memory at address 0x100000028>, data = {{v_int = 56, v_uint = 56, v_long = 56, v_ulong = 56, v_int64 = 56, v_uint64 = 56, v_float = 7.8472714e-44, v_double = 2.7667676167109806e-322, v_pointer = 0x38}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}, {g_type = <error reading variable: Cannot access memory at address 0x28>, data = {{v_int = 7, v_uint = 7, v_long = 7, v_ulong = 7, v_int64 = 7, v_uint64 = 7, v_float = 9.80908925e-45, v_double = 3.4584595208887258e-323, v_pointer = 0x7}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}, {g_type = <error reading variable: Cannot access memory at address 0x600000060>, data = {{v_int = 80, v_uint = 80, v_long = 80, v_ulong = 80, v_int64 = 80, v_uint64 = 80, v_float = 1.12103877e-43, v_double = 3.9525251667299724e-322, v_pointer = 0x50}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}, {g_type = <error reading variable: Cannot access memory at address 0xc9d352fa94227540>, data = {{v_int = 20, v_uint = 20, v_long = 20, v_ulong = 20, v_int64 = 20, v_uint64 = 20, v_float = 2.80259693e-44, v_double = 9.8813129168249309e-323, v_pointer = 0x14}, {v_int = 128, v_uint = 128, v_long = 128, v_ulong = 128, v_int64 = 128, v_uint64 = 128, v_float = 1.79366203e-43, v_double = 6.3240402667679558e-322, v_pointer = 0x80}}}, {g_type = 0x1, data = {{v_int = 6, v_uint = 6, v_long = 210453397510, v_ulong = 210453397510, v_int64 = 210453397510, v_uint64 = 210453397510, v_float = 8.40779079e-45, v_double = 1.0397779376026274e-312, v_pointer = 0x3100000006}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}, {g_type = 0x0, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 124, v_uint = 124, v_long = 511101108348, v_ulong = 511101108348, v_int64 = 511101108348, v_uint64 = 511101108348, v_float = 1.7376101e-43, v_double = 2.5251749918613155e-312, v_pointer = 0x770000007c}}}, {g_type = <error reading variable: Cannot access memory at address 0x5b00000094>, data = {{v_int = -137921250, v_uint = 4157046046, v_long = 140737350434078, v_ulong = 140737350434078, v_int64 = 140737350434078, v_uint64 = 140737350434078, v_float = -8.09222463e+33, v_double = 6.9533489936198587e-310, v_pointer = 0x7ffff7c77d1e <g_hash_table_insert+46>}, {v_int = -136917808, v_uint = 4158049488, v_long = 140737351437520, v_ulong = 140737351437520, v_int64 = 140737351437520, v_uint64 = 140737351437520, v_float = -8.71332515e+33, v_double = 6.9533490431964807e-310, v_pointer = 0x7ffff7d6ccd0 <g.quark_global_lock>}}}, {g_type = , data = {{v_int = 62480, v_uint = 62480, v_long = 62480, v_ulong = 62480, v_int64 = 62480, v_uint64 = 62480, v_float = 8.75531281e-41, v_double = 3.0869221552161084e-319, v_pointer = 0xf410}, {v_int = 80, v_uint = 80, v_long = 8--Type <RET> for more, q to quit, c to continue without paging--c
0, v_ulong = 80, v_int64 = 80, v_uint64 = 80, v_float = 1.12103877e-43, v_double = 3.9525251667299724e-322, v_pointer = 0x50}}}, {g_type = , data = {{v_int = 1, v_uint = 1, v_long = 1, v_ulong = 1, v_int64 = 1, v_uint64 = 1, v_float = 1.40129846e-45, v_double = 4.9406564584124654e-324, v_pointer = 0x1}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}, {g_type = <error reading variable: Cannot access memory at address 0xf600179e2d0d8c20>, data = {{v_int = -167465856, v_uint = 4127501440, v_long = 140737320889472, v_ulong = 140737320889472, v_int64 = 140737320889472, v_uint64 = 140737320889472, v_float = -6.72736231e+32, v_double = 6.9533475339223742e-310, v_pointer = 0x7ffff604ac80 <main_arena>}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}, {g_type = 0x0, data = {{v_int = 80, v_uint = 80, v_long = 80, v_ulong = 80, v_int64 = 80, v_uint64 = 80, v_float = 1.12103877e-43, v_double = 3.9525251667299724e-322, v_pointer = 0x50}, {v_int = -13440, v_uint = 4294953856, v_long = 140737488341888, v_ulong = 140737488341888, v_int64 = 140737488341888, v_uint64 = 140737488341888, v_float = -nan(0x7fcb80), v_double = 6.9533558071709801e-310, v_pointer = 0x7fffffffcb80}}}, {g_type = 0x0, data = {{v_int = 1436561664, v_uint = 1436561664, v_long = 93824997142784, v_ulong = 93824997142784, v_int64 = 93824997142784, v_uint64 = 93824997142784, v_float = 2.20165392e+13, v_double = 4.6355707809402689e-310, v_pointer = 0x555555a03100}, {v_int = -137810863, v_uint = 4157156433, v_long = 140737350544465, v_ulong = 140737350544465, v_int64 = 140737350544465, v_uint64 = 140737350544465, v_float = -8.16055088e+33, v_double = 6.9533489990737011e-310, v_pointer = 0x7ffff7c92c51 <g_malloc0+33>}}}, {g_type = , data = {{v_int = -136695018, v_uint = 4158272278, v_long = 140737351660310, v_ulong = 140737351660310, v_int64 = 140737351660310, v_uint64 = 140737351660310, v_float = -8.85122548e+33, v_double = 6.9533490542037692e-310, v_pointer = 0x7ffff7da3316 <type_data_make_W+198>}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}, {g_type = , data = {{v_int = 1447497392, v_uint = 1447497392, v_long = 93825008078512, v_ulong = 93825008078512, v_int64 = 93825008078512, v_uint64 = 93825008078512, v_float = 5.47164741e+13, v_double = 4.6355713212370206e-310, v_pointer = 0x555556470eb0}, {v_int = -136520688, v_uint = 4158446608, v_long = 140737351834640, v_ulong = 140737351834640, v_int64 = 140737351834640, v_uint64 = 140737351834640, v_float = -8.95913052e+33, v_double = 6.9533490628168156e-310, v_pointer = 0x7ffff7dcdc10 <type_rw_lock>}}}}
name = <optimized out>
n_params = <optimized out>
n_params_alloc = 16
class = <optimized out>
unref_class = <optimized out>
object = <optimized out>
__func__ = "g_object_new_valist"
#6 0x00007ffff7d94e2d in g_object_new (object_type=<optimized out>, first_property_name=<optimized out>) at ../../../gobject/gobject.c:1836
object = <optimized out>
var_args = {{gp_offset = 48, fp_offset = 48, overflow_arg_area = 0x7fffffffcc40, reg_save_area = 0x7fffffffcb80}}
#7 0x00005555556eb011 in activate_panel (gicon=<optimized out>, visibility=<optimized out>, name=0x555556554a90 "Sound", parameters=0x0, id=0x55555655ee60 "sound", self=0x5555563c62c0) at ../shell/cc-window.c:155
timer = 0x55555655ee40
sidebar_widget = <optimized out>
title_widget = <optimized out>
ellapsed_time = <optimized out>
gicon = 0x5555564bdcd0
name = 0x555556554a90 "Sound"
visibility = CC_PANEL_VISIBLE
iter = {stamp = 6498134, user_data = 0x5555564bdd00, user_data2 = 0x0, user_data3 = 0x0}
old_panel = 0x0
found = <optimized out>
#8 set_active_panel_from_id.constprop.0 (self=0x5555563c62c0, start_id=0x55555655ee60 "sound", parameters=0x0, add_to_history=1, error=<optimized out>) at ../shell/cc-window.c:405
gicon = 0x5555564bdcd0
name = 0x555556554a90 "Sound"
visibility = CC_PANEL_VISIBLE
iter = {stamp = 6498134, user_data = 0x5555564bdd00, user_data2 = 0x0, user_data3 = 0x0}
old_panel = 0x0
found = <optimized out>
#9 0x00007ffff7d815bf in g_cclosure_marshal_VOID__STRINGv (closure=0x5555563c5c60, return_value=<optimized out>, instance=0x555556426200, args=<optimized out>, marshal_data=<optimized out>, n_params=<optimized out>, param_types=0x5555563bb680) at ../../../gobject/gmarshal.c:1462
data1 = <optimized out>
data2 = <optimized out>
callback = 0x5555555be5e0 <show_panel_cb>
arg0 = 0x55555655ee60
args_copy = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 0x7fffffffcfd0, reg_save_area = 0x7fffffffcf10}}
#10 0x00007ffff7da0700 in _g_closure_invoke_va (param_types=0x5555563bb680, n_params=1, args=0x7fffffffcef0, instance=0x555556426200, return_value=<optimized out>, closure=<optimized out>) at ../../../gobject/gclosure.c:893
marshal = <optimized out>
marshal_data = <optimized out>
in_marshal = 0
real_closure = <optimized out>
return_accu = <optimized out>
accu = {g_type = 0x0, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
accumulator = 0x0
emission = Python Exception <class 'TypeError'>: can only concatenate str (not "NoneType") to str
{next = 0x7fffffffd0f0, instance = 0x555556426200, ihint = {signal_id = 326, detail = 0, run_type = (G_SIGNAL_RUN_FIRST | G_SIGNAL_ACCUMULATOR_FIRST_RUN)}, state = EMISSION_RUN, chain_type = }
instance_type = <optimized out>
emission_return = {g_type = 0x0, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
rtype = 0x4 [None]
static_scope = 0
fastpath_handler = <optimized out>
closure = <optimized out>
run_type = <optimized out>
hlist = <optimized out>
l = <optimized out>
fastpath = 1
instance_and_params = <optimized out>
signal_return_type = <optimized out>
param_values = <optimized out>
node = <optimized out>
i = <optimized out>
n_params = <optimized out>
__func__ = "g_signal_emit_valist"
#11 g_signal_emit_valist (instance=0x555556426200, signal_id=326, detail=<optimized out>, var_args=var_args@entry=0x7fffffffcef0) at ../../../gobject/gsignal.c:3440
return_accu = <optimized out>
accu = {g_type = 0x0, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
accumulator = 0x0
emission = Python Exception <class 'TypeError'>: can only concatenate str (not "NoneType") to str
{next = 0x7fffffffd0f0, instance = 0x555556426200, ihint = {signal_id = 326, detail = 0, run_type = (G_SIGNAL_RUN_FIRST | G_SIGNAL_ACCUMULATOR_FIRST_RUN)}, state = EMISSION_RUN, chain_type = }
instance_type = <optimized out>
emission_return = {g_type = 0x0, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
rtype = 0x4 [None]
static_scope = 0
fastpath_handler = <optimized out>
closure = <optimized out>
run_type = <optimized out>
hlist = <optimized out>
l = <optimized out>
fastpath = 1
instance_and_params = <optimized out>
signal_return_type = <optimized out>
param_values = <optimized out>
node = <optimized out>
i = <optimized out>
n_params = <optimized out>
__func__ = "g_signal_emit_valist"
#12 0x00007ffff7da0863 in g_signal_emit (instance=instance@entry=0x555556426200, signal_id=<optimized out>, detail=detail@entry=0) at ../../../gobject/gsignal.c:3587
var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7fffffffcfd0, reg_save_area = 0x7fffffffcf10}}
#13 0x00005555555c2d06 in row_activated_cb (listbox=<optimized out>, row=row@entry=0x55555653ff80, self=0x555556426200) at ../shell/cc-panel-list.c:588
data = 0x555556550c50
#14 0x00007ffff7d81745 in g_cclosure_marshal_VOID__OBJECTv (closure=0x555556401c70, return_value=<optimized out>, instance=0x55555642e360, args=<optimized out>, marshal_data=<optimized out>, n_params=<optimized out>, param_types=0x55555641b310) at ../../../gobject/gmarshal.c:1910
data1 = <optimized out>
data2 = <optimized out>
callback = 0x5555555c2c00 <row_activated_cb>
arg0 = 0x55555653ff80
args_copy = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 0x7fffffffd2d0, reg_save_area = 0x7fffffffd210}}
#15 0x00007ffff7da0700 in _g_closure_invoke_va (param_types=0x55555641b310, n_params=1, args=0x7fffffffd1f0, instance=0x55555642e360, return_value=<optimized out>, closure=<optimized out>) at ../../../gobject/gclosure.c:893
marshal = <optimized out>
marshal_data = <optimized out>
in_marshal = 0
real_closure = <optimized out>
return_accu = <optimized out>
accu = {g_type = 0x0, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
accumulator = 0x0
emission = Python Exception <class 'TypeError'>: can only concatenate str (not "NoneType") to str
{next = 0x7fffffffd370, instance = 0x55555642e360, ihint = {signal_id = 331, detail = 0, run_type = (G_SIGNAL_RUN_FIRST | G_SIGNAL_ACCUMULATOR_FIRST_RUN)}, state = EMISSION_RUN, chain_type = }
instance_type = <optimized out>
emission_return = {g_type = 0x0, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
rtype = 0x4 [None]
static_scope = 0
fastpath_handler = <optimized out>
closure = <optimized out>
run_type = <optimized out>
hlist = <optimized out>
l = <optimized out>
fastpath = 1
instance_and_params = <optimized out>
signal_return_type = <optimized out>
param_values = <optimized out>
node = <optimized out>
i = <optimized out>
n_params = <optimized out>
__func__ = "g_signal_emit_valist"
#16 g_signal_emit_valist (instance=0x55555642e360, signal_id=331, detail=<optimized out>, var_args=var_args@entry=0x7fffffffd1f0) at ../../../gobject/gsignal.c:3440
return_accu = <optimized out>
accu = {g_type = 0x0, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
accumulator = 0x0
emission = Python Exception <class 'TypeError'>: can only concatenate str (not "NoneType") to str
{next = 0x7fffffffd370, instance = 0x55555642e360, ihint = {signal_id = 331, detail = 0, run_type = (G_SIGNAL_RUN_FIRST | G_SIGNAL_ACCUMULATOR_FIRST_RUN)}, state = EMISSION_RUN, chain_type = }
instance_type = <optimized out>
emission_return = {g_type = 0x0, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
rtype = 0x4 [None]
static_scope = 0
fastpath_handler = <optimized out>
closure = <optimized out>
run_type = <optimized out>
hlist = <optimized out>
l = <optimized out>
fastpath = 1
instance_and_params = <optimized out>
signal_return_type = <optimized out>
param_values = <optimized out>
node = <optimized out>
i = <optimized out>
n_params = <optimized out>
__func__ = "g_signal_emit_valist"
#17 0x00007ffff7da0863 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at ../../../gobject/gsignal.c:3587
var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7fffffffd2d0, reg_save_area = 0x7fffffffd210}}
#18 0x00007ffff7da0700 in _g_closure_invoke_va (param_types=0x0, n_params=0, args=0x7fffffffd480, instance=0x55555653ff80, return_value=<optimized out>, closure=<optimized out>) at ../../../gobject/gclosure.c:893
marshal = <optimized out>
marshal_data = <optimized out>
in_marshal = 0
real_closure = <optimized out>
return_accu = <optimized out>
accu = {g_type = 0x0, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
accumulator = 0x0
emission = Python Exception <class 'TypeError'>: can only concatenate str (not "NoneType") to str
{next = 0x7fffffffdce0, instance = 0x55555653ff80, ihint = {signal_id = 335, detail = 0, run_type = (G_SIGNAL_RUN_FIRST | G_SIGNAL_ACCUMULATOR_FIRST_RUN)}, state = EMISSION_RUN, chain_type = }
instance_type = <optimized out>
emission_return = {g_type = 0x0, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
rtype = 0x4 [None]
static_scope = 0
fastpath_handler = <optimized out>
closure = <optimized out>
run_type = <optimized out>
hlist = <optimized out>
l = <optimized out>
fastpath = 1
instance_and_params = <optimized out>
signal_return_type = <optimized out>
param_values = <optimized out>
node = <optimized out>
i = <optimized out>
n_params = <optimized out>
__func__ = "g_signal_emit_valist"
#19 g_signal_emit_valist (instance=instance@entry=0x55555653ff80, signal_id=signal_id@entry=335, detail=detail@entry=0, var_args=var_args@entry=0x7fffffffd480) at ../../../gobject/gsignal.c:3440
return_accu = <optimized out>
accu = {g_type = 0x0, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
accumulator = 0x0
emission = Python Exception <class 'TypeError'>: can only concatenate str (not "NoneType") to str
{next = 0x7fffffffdce0, instance = 0x55555653ff80, ihint = {signal_id = 335, detail = 0, run_type = (G_SIGNAL_RUN_FIRST | G_SIGNAL_ACCUMULATOR_FIRST_RUN)}, state = EMISSION_RUN, chain_type = }
instance_type = <optimized out>
emission_return = {g_type = 0x0, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
rtype = 0x4 [None]
static_scope = 0
fastpath_handler = <optimized out>
closure = <optimized out>
run_type = <optimized out>
hlist = <optimized out>
l = <optimized out>
fastpath = 1
instance_and_params = <optimized out>
signal_return_type = <optimized out>
param_values = <optimized out>
node = <optimized out>
i = <optimized out>
n_params = <optimized out>
__func__ = "g_signal_emit_valist"
#20 0x00007ffff7da0a8e in g_signal_emit_by_name (instance=0x55555653ff80, detailed_signal=detailed_signal@entry=0x55555570c3ef "activate") at ../../../gobject/gsignal.c:3629
var_args = {{gp_offset = 16, fp_offset = 48, overflow_arg_area = 0x7fffffffd5a0, reg_save_area = 0x7fffffffd4b0}}
detail = 0
signal_id = 335
itype = Python Exception <class 'TypeError'>: can only concatenate str (not "NoneType") to str
__func__ = "g_signal_emit_by_name"
#21 0x00005555555c3691 in cc_panel_list_set_active_panel (self=0x555556426200, id=id@entry=0x55555655eea0 "sound") at ../shell/cc-panel-list.c:1025
listbox = 0x55555642e360
data = 0x555556550c50
__func__ = "cc_panel_list_set_active_panel"
#22 0x00005555555c652d in cc_window_constructed (object=0x5555563c62c0) at ../shell/cc-window.c:749
self = <optimized out>
id = 0x55555655eea0 "sound"
#23 0x00007ffff7d931df in g_object_new_internal (class=class@entry=0x5555563c00a0, params=params@entry=0x7fffffffd7d0, n_params=n_params@entry=7) at ../../../gobject/gobject.c:2065
nqueue = 0x555555be1d80
object = 0x5555563c62c0
__func__ = "g_object_new_internal"
#24 0x00007ffff7d948f8 in g_object_new_valist (object_type=Python Exception <class 'TypeError'>: can only concatenate str (not "NoneType") to str
, first_property_name=first_property_name@entry=0x5555556fbc26 "application", var_args=var_args@entry=0x7fffffffdaa0) at ../../../gobject/gobject.c:2367
params = 0x7fffffffd7d0
values = 0x7fffffffd8d0
params_stack = {{pspec = 0x555555a90500, value = 0x7fffffffd8d0}, {pspec = 0x555555a899f0, value = 0x7fffffffd8e8}, {pspec = 0x555555a7e630, value = 0x7fffffffd900}, {pspec = 0x555555a8a840, value = 0x7fffffffd918}, {pspec = 0x555555a7ae30, value = 0x7fffffffd930}, {pspec = 0x5555563c2900, value = 0x7fffffffd948}, {pspec = 0x5555563c2a50, value = 0x7fffffffd960}, {pspec = 0x5555560ae360, value = 0x5555563becc0}, {pspec = 0x5555560ae360, value = 0x7ffff75ac290}, {pspec = 0x5555563becc0, value = 0x5555563becc0}, {pspec = 0x5555560ae360, value = 0x5555563ba8d0}, {pspec = 0x5555563becc0, value = 0x5555556e6954 <cc_shell_model_init+228>}, {pspec = 0x40, value = 0x7ffff5ed56ab <_int_malloc+3195>}, {pspec = 0x5555563c2fe0, value = 0x7ffff604ace0 <main_arena+96>}, {pspec = 0x7, value = 0xd9d3880232486f00}, {pspec = 0x1e00000040, value = 0x1d1}}
values_stack = Python Exception <class 'TypeError'>: can only concatenate str (not "NoneType") to str
Python Exception <class 'TypeError'>: can only concatenate str (not "NoneType") to str
{{g_type = , data = {{v_int = 1446620080, v_uint = 1446620080, v_long = 93825007201200, v_ulong = 93825007201200, v_int64 = 93825007201200, v_uint64 = 93825007201200, v_float = 5.10367608e+13, v_double = 4.6355712778920486e-310, v_pointer = 0x55555639abb0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}, {g_type = 0x14 [None], data = {{v_int = 1, v_uint = 1, v_long = 1, v_ulong = 1, v_int64 = 1, v_uint64 = 1, v_float = 1.40129846e-45, v_double = 4.9406564584124654e-324, v_pointer = 0x1}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}, {g_type = 0x40 [None], data = {{v_int = 1446749264, v_uint = 1446749264, v_long = 93825007330384, v_ulong = 93825007330384, v_int64 = 93825007330384, v_uint64 = 93825007330384, v_float = 5.15785978e+13, v_double = 4.6355712842745862e-310, v_pointer = 0x5555563ba450}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}, {g_type = 0x40 [None], data = {{v_int = 1446749968, v_uint = 1446749968, v_long = 93825007331088, v_ulong = 93825007331088, v_int64 = 93825007331088, v_uint64 = 93825007331088, v_float = 5.15815506e+13, v_double = 4.6355712843093684e-310, v_pointer = 0x5555563ba710}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}, {g_type = 0x555555a6c150 [None], data = {{v_int = 1, v_uint = 1, v_long = 1, v_ulong = 1, v_int64 = 1, v_uint64 = 1, v_float = 1.40129846e-45, v_double = 4.9406564584124654e-324, v_pointer = 0x1}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}, {g_type = 0x14 [None], data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}, {g_type = , data = {{v_int = 1443554144, v_uint = 1443554144, v_long = 93825004135264, v_ulong = 93825004135264, v_int64 = 93825004135264, v_uint64 = 93825004135264, v_float = 3.81772932e+13, v_double = 4.6355711264146836e-310, v_pointer = 0x5555560ae360}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}, {g_type = 0x7ffff5ed56ab [None], data = {{v_int = 1446761856, v_uint = 1446761856, v_long = 93825007342976, v_ulong = 93825007342976, v_int64 = 93825007342976, v_uint64 = 93825007342976, v_float = 5.16314125e+13, v_double = 4.6355712848967137e-310, v_pointer = 0x5555563bd580}, {v_int = -167465760, v_uint = 4127501536, v_long = 140737320889568, v_ulong = 140737320889568, v_int64 = 140737320889568, v_uint64 = 140737320889568, v_float = -6.72743659e+32, v_double = 6.9533475339271173e-310, v_pointer = 0x7ffff604ace0 <main_arena+96>}}}, {g_type = 0x1, data = {{v_int = 128, v_uint = 128, v_long = 128, v_ulong = 128, v_int64 = 128, v_uint64 = 128, v_float = 1.79366203e-43, v_double = 6.3240402667679558e-322, v_pointer = 0x80}, {v_int = -136919872, v_uint = 4158047424, v_long = 140737351435456, v_ulong = 140737351435456, v_int64 = 140737351435456, v_uint64 = 140737351435456, v_float = -8.71204759e+33, v_double = 6.9533490430945055e-310, v_pointer = 0x7ffff7d6c4c0 <private_thread_memory>}}}, {g_type = <error reading variable: Cannot access memory at address 0x8bc277d539480410>, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 124, v_uint = 124, v_long = 511101108348, v_ulong = 511101108348, v_int64 = 511101108348, v_uint64 = 511101108348, v_float = 1.7376101e-43, v_double = 2.5251749918613155e-312, v_pointer = 0x770000007c}}}, {g_type = <error reading variable: Cannot access memory at address 0x5b00000094>, data = {{v_int = -137921250, v_uint = 4157046046, v_long = 140737350434078, v_ulong = 140737350434078, v_int64 = 140737350434078, v_uint64 = 140737350434078, v_float = -8.09222463e+33, v_double = 6.9533489936198587e-310, v_pointer = 0x7ffff7c77d1e <g_hash_table_insert+46>}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}, {g_type = <error reading variable: Cannot access memory at address 0x28>, data = {{v_int = 128, v_uint = 128, v_long = 128, v_ulong = 128, v_int64 = 128, v_uint64 = 128, v_float = 1.79366203e-43, v_double = 6.3240402667679558e-322, v_pointer = 0x80}, {v_int = 1446779544, v_uint = 1446779544, v_long = 93825007360664, v_ulong = 93825007360664, v_int64 = 93825007360664, v_uint64 = 93825007360664, v_float = 5.17056013e+13, v_double = 4.635571285770617e-310, v_pointer = 0x5555563c1a98}}}, {g_type = 0x7ffff7dcda90 [None], data = {{v_int = 1446783096, v_uint = 1446783096, v_long = 93825007364216, v_ulong = 93825007364216, v_int64 = 93825007364216, v_uint64 = 93825007364216, v_float = 5.17204995e+13, v_double = 4.6355712859461091e-310, v_pointer = 0x5555563c2878}, {v_int = 104, v_uint = 104, v_long = 104, v_ulong = 104, v_int64 = 104, v_uint64 = 104, v_float = 1.4573504e-43, v_double = 5.1382827167489641e-322, v_pointer = 0x68}}}, {g_type = <error reading variable: Cannot access memory at address 0xd9d3880232486f28>, data = {{v_int = -167465856, v_uint = 4127501440, v_long = 140737320889472, v_ulong = 140737320889472, v_int64 = 140737320889472, v_uint64 = 140737320889472, v_float = -6.72736231e+32, v_double = 6.9533475339223742e-310, v_pointer = 0x7ffff604ac80 <main_arena>}, {v_int = 3, v_uint = 3, v_long = 3, v_ulong = 3, v_int64 = 3, v_uint64 = 3, v_float = 4.20389539e-45, v_double = 1.4821969375237396e-323, v_pointer = 0x3}}}, {g_type = 0x0, data = {{v_int = -136832748, v_uint = 4158134548, v_long = 140737351522580, v_ulong = 140737351522580, v_int64 = 140737351522580, v_uint64 = 140737351522580, v_float = -8.76597474e+33, v_double = 6.953349047399003e-310, v_pointer = 0x7ffff7d81914 <_g_atomic_array_copy+84>}, {v_int = 128, v_uint = 128, v_long = 128, v_ulong = 128, v_int64 = 128, v_uint64 = 128, v_float = 1.79366203e-43, v_double = 6.3240402667679558e-322, v_pointer = 0x80}}}, {g_type = 0x0, data = {{v_int = 1446706792, v_uint = 1446706792, v_long = 93825007287912, v_ulong = 93825007287912, v_int64 = 93825007287912, v_uint64 = 93825007287912, v_float = 5.14004573e+13, v_double = 4.6355712821761906e-310, v_pointer = 0x5555563afe68}, {v_int = 4, v_uint = 4, v_long = 4, v_ulong = 4, v_int64 = 4, v_uint64 = 4, v_float = 5.60519386e-45, v_double = 1.9762625833649862e-323, v_pointer = 0x4}}}}
name = <optimized out>
n_params = <optimized out>
n_params_alloc = 16
class = <optimized out>
unref_class = <optimized out>
object = <optimized out>
__func__ = "g_object_new_valist"
#25 0x00007ffff7d94e2d in g_object_new (object_type=<optimized out>, first_property_name=first_property_name@entry=0x5555556fbc26 "application") at ../../../gobject/gobject.c:1836
object = <optimized out>
var_args = {{gp_offset = 48, fp_offset = 48, overflow_arg_area = 0x7fffffffdbd0, reg_save_area = 0x7fffffffdac0}}
#26 0x00005555555c453c in cc_window_new (application=0x55555639abb0, model=model@entry=0x5555560ae360) at ../shell/cc-window.c:866
__func__ = "cc_window_new"
#27 0x00005555555c57c4 in cc_application_startup (application=0x55555639abb0) at ../shell/cc-application.c:234
self = 0x55555639abb0
help_accels = {0x5555556ecd9e "F1", 0x0}
#28 0x00007ffff7da0700 in _g_closure_invoke_va (param_types=0x0, n_params=0, args=0x7fffffffdde0, instance=0x55555639abb0, return_value=<optimized out>, closure=<optimized out>) at ../../../gobject/gclosure.c:893
marshal = <optimized out>
marshal_data = <optimized out>
in_marshal = 0
real_closure = <optimized out>
return_accu = <optimized out>
accu = {g_type = 0x0, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
accumulator = 0x0
emission = Python Exception <class 'TypeError'>: can only concatenate str (not "NoneType") to str
{next = 0x0, instance = 0x55555639abb0, ihint = {signal_id = 239, detail = 0, run_type = (G_SIGNAL_RUN_FIRST | G_SIGNAL_ACCUMULATOR_FIRST_RUN)}, state = EMISSION_RUN, chain_type = }
instance_type = <optimized out>
emission_return = {g_type = 0x0, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
rtype = 0x4 [None]
static_scope = 0
fastpath_handler = <optimized out>
closure = <optimized out>
run_type = <optimized out>
hlist = <optimized out>
l = <optimized out>
fastpath = 1
instance_and_params = <optimized out>
signal_return_type = <optimized out>
param_values = <optimized out>
node = <optimized out>
i = <optimized out>
n_params = <optimized out>
__func__ = "g_signal_emit_valist"
#29 g_signal_emit_valist (instance=0x55555639abb0, signal_id=239, detail=<optimized out>, var_args=var_args@entry=0x7fffffffdde0) at ../../../gobject/gsignal.c:3440
return_accu = <optimized out>
accu = {g_type = 0x0, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
accumulator = 0x0
emission = Python Exception <class 'TypeError'>: can only concatenate str (not "NoneType") to str
{next = 0x0, instance = 0x55555639abb0, ihint = {signal_id = 239, detail = 0, run_type = (G_SIGNAL_RUN_FIRST | G_SIGNAL_ACCUMULATOR_FIRST_RUN)}, state = EMISSION_RUN, chain_type = }
instance_type = <optimized out>
emission_return = {g_type = 0x0, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
rtype = 0x4 [None]
static_scope = 0
fastpath_handler = <optimized out>
closure = <optimized out>
run_type = <optimized out>
hlist = <optimized out>
l = <optimized out>
fastpath = 1
instance_and_params = <optimized out>
signal_return_type = <optimized out>
param_values = <optimized out>
node = <optimized out>
i = <optimized out>
n_params = <optimized out>
__func__ = "g_signal_emit_valist"
#30 0x00007ffff7da0863 in g_signal_emit (instance=instance@entry=0x55555639abb0, signal_id=<optimized out>, detail=detail@entry=0) at ../../../gobject/gsignal.c:3587
var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7fffffffdec0, reg_save_area = 0x7fffffffde00}}
#31 0x00007ffff7eae421 in g_application_register (application=application@entry=0x55555639abb0, cancellable=cancellable@entry=0x0, error=error@entry=0x7fffffffdf50) at ../../../gio/gapplication.c:2209
__func__ = "g_application_register"
#32 0x00007ffff7eaeb8e in g_application_real_local_command_line (application=0x55555639abb0, arguments=0x7fffffffdfa8, exit_status=0x7fffffffdfa4) at ../../../gio/gapplication.c:1111
error = 0x0
options = 0x555555c399a0
n_args = <optimized out>
#33 0x00007ffff7eaef46 in g_application_run (application=0x55555639abb0, argc=argc@entry=1, argv=argv@entry=0x7fffffffe138) at ../../../gio/gapplication.c:2538
arguments = 0x5555563b1990
status = -1
context = 0x555555a5a4e0
acquired_context = <optimized out>
__func__ = "g_application_run"
#34 0x00005555555bcc53 in main (argc=<optimized out>, argv=<optimized out>) at ../shell/main.c:65
application = 0x55555639abb0
Edited by Timur Tabi