Pager not mapped, show-window failing

[elliotkendall]

When the (pager) command runs, either from an after-initialization-hook in my rc file or manually from sawfish-client, I get the following output:

Lisp backtrace:
#1 show-window ...
#0 pager-unhide ...

Sawfish error:
Bad argument: #, (), 1

If I launch the pager binary manually and run "xwininfo -root -children" I can see that the pager window is running, and if I run xwininfo on that id, I can see that "Map State: IsUnMapped".

If I launch the pager manually and feed it "S" on stdin, it does appear and (pager-hide) and (pager-unhide) do work, but the pager remains blank.

I found an instance of another person having a similar problem way back in 2011, but the thread doesn't seem too helpful:

https://mail.gnome.org/archives/sawfish-list/2011-January/msg00061.html

I'm running Ubuntu 16.10 with its supplied sawfish (1:1.11.90-1) and the latest sawfish-pager code from http://download.tuxfamily.org/sawfishpager/, since it's no longer packaged. I tried building various versions of sawfish back to 1.8.2 and pager back to 0.90.1 with the same results, though.

Any ideas? Life without a pager is really bumming me out. Thanks.

[Nanolx]

I'll have a look at it, soon.

[Nanolx]

So I pushed a change to the git repository. (pager-autohide) now hooks into 'map-notify-hook and is then only triggered when a) pager is really mapped, b) pager-autohide-enable is true.

That mail from Eli Barzilay references an issue that occured because back then I re-wrote the edge-flipping feature in Sawfish (and the pager was not yet updated then).

If you still have no visible windows after this change I need more informations.

[elliotkendall]

With that fix, I no longer get any errors running (pager). But it still doesn't do anything. The process doesn't launch, nor does a window appear. I ran (pager) through sawfish-client under strace, and it doesn't even look like it's trying to launch the process.

What else can I give you to work with? I'm pretty stumped.

[elliotkendall]

My pager's still not working. I tried a vanilla Ubuntu install with the latest code from git, but it's still the same behavior. Any ideas? Thanks.

[ghost]

@elliotkendall I am seeing a traceback like this in dmesg:

[96862.064144] sawfishpager[261170]: segfault at 3ea2fc50 ip 00007f6f538f9816 sp 00007ffe410c8e30 error 4 in libgdk-x11-2.0.so.0.2400.32[7f6f538d5000+ae000]

I am not sure why that would happen, I compiled both sawfish and pager in my machine.

[elliotkendall]

I'm not sure that's the same bug. The pager binary runs fine for me, it just doesn't do anything.

[ghost]

Thanks for clarifying. I am getting this error, so unable to proceed that far.

[elliotkendall]

I did a bunch of digging (thanks, docker!) and have isolated this problem to changes introduced between Ubuntu 16.04 and 16.10. The same version of sawfish and sawfish-pager works correctly in the earlier release but not in the later.

The issue appears to be that sawfish-pager is segfaulting in gdk_gc_set_foreground. The full gdb backtrace follows (sawfish 1.11 and sawfish-pager latest from git, plus gtk 2.24.30-4 and libglib 2.50.0-2).

I ported the gtk and libglib versions from 16.04 (2.24.30-1 and 2.48.0-1) to 16.10, but that still wasn't enough to fix the problem on that release. I'm not sure what else to try to narrow it down more.

GNU gdb (Ubuntu 7.11.90.20161005-0ubuntu2) 7.11.90.20161005-git
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Reading symbols from /usr/lib/x86_64-linux-gnu/sawfish/sawfishpager...done.

[New LWP 19848]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by '/usr/lib/x86_64-linux-gnu/sawfish/sawfishpager'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x00007f6423bbe556 in IA__gdk_gc_set_foreground (gc=0xfffffffff1c91f70,
color=0x555ff1b5c0c0 ) at ./gdk/gdkgc.c:394
394 ./gdk/gdkgc.c: No such file or directory.
-: No such file or directory.
(gdb) (gdb) #0 0x00007f6423bbe556 in IA__gdk_gc_set_foreground (gc=0x-e36e090, color=0x555ff1b5c0c0 ) at ./gdk/gdkgc.c:394
__inst = 0x-e36e090
__t = 93870566733920
__r =
values = {foreground = {pixel = 0, red = 21855, green = 0, blue = 1}, background = {pixel = 21855, red = 45760, green = 61896, blue = 21855}, font = 0x18, function = 4056455744, fill = 21855, tile = 0x71, stipple = 0x0, clip_mask = 0x7f6423bfad6f, subwindow_mode = (unknown: 4056311152), ts_x_origin = 21855, ts_y_origin = 599508140, clip_x_origin = 24, clip_y_origin = 559165952, graphics_exposures = 32612, line_width = 1674069504, line_style = (GDK_LINE_ON_OFF_DASH | GDK_LINE_DOUBLE_DASH | unknown: 1392294608), cap_style = 4055220416, join_style = (GDK_JOIN_ROUND | GDK_JOIN_BEVEL | unknown: 21852)}
__func__ = "IA__gdk_gc_set_foreground"
#1 0x0000555ff194e957 in configure_event (widget=widget@entry=0x555ff1c86330 [GtkDrawingArea], event=, data=) at sawfishpager.c:345
i =
#6 0x00007f642396ffaf in <emit signal ??? on instance 0x555ff1c86330 [GtkDrawingArea]> (instance=instance@entry=0x555ff1c86330, signal_id=, detail=detail@entry=0) at ././gobject/gsignal.c:3447
var_args = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 0x7ffdc1b3be80, reg_save_area = 0x7ffdc1b3bdc0}}
#2 0x00007f6423f7fe6c in _gtk_marshal_BOOLEAN__BOXED (closure=0x555ff1c8db50, return_value=0x7ffdc1b3bb80, n_param_values=, param_values=0x7ffdc1b3bbe0, invocation_hint=, marshal_data=) at gtkmarshalers.c:86
callback = 0x555ff194e8b0 <configure_event>
cc = 0x555ff1c8db50
data1 = 0x555ff1c86330
data2 =
v_return =
__func__ = "_gtk_marshal_BOOLEAN__BOXED"
#3 0x00007f6423954f75 in g_closure_invoke (closure=0x555ff1c8db50, return_value=return_value@entry=0x7ffdc1b3bb80, n_param_values=2, param_values=param_values@entry=0x7ffdc1b3bbe0, invocation_hint=invocation_hint@entry=0x7ffdc1b3bb60) at ././gobject/gclosure.c:804
marshal =
marshal_data =
in_marshal = 0
real_closure = 0x555ff1c8db30
__func__ = "g_closure_invoke"
#4 0x00007f6423966f82 in signal_emit_unlocked_R (node=node@entry=0x555ff1c75ec0, detail=detail@entry=0, instance=instance@entry=0x555ff1c86330, emission_return=emission_return@entry=0x7ffdc1b3bcf0, instance_and_params=instance_and_params@entry=0x7ffdc1b3bbe0) at ././gobject/gsignal.c:3635
tmp =
handler = 0x555ff1c51640
accumulator = 0x555ff1c75f30
emission = {next = 0x7ffdc1b3c070, instance = 0x555ff1c86330, ihint = {signal_id = 46, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
handler_list = 0x555ff1c51640
return_accu = 0x7ffdc1b3bb80
accu = {g_type = 20, 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}}}
signal_id = 46
max_sequential_handler_number = 18
return_value_altered = 0
#5 0x00007f642396f66f in g_signal_emit_valist (instance=, signal_id=, detail=, var_args=var_args@entry=0x7ffdc1b3bda0) at ././gobject/gsignal.c:3401
return_value = {g_type = 20, 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}}}
error = 0x0
rtype = 20
static_scope = 0
instance_and_params = 0x7ffdc1b3bbe0
signal_return_type =
param_values = 0x7ffdc1b3bbf8
i =
n_params =
__func__ = "g_signal_emit_valist"
#7 0x00007f642409847c in gtk_widget_event_internal (widget=widget@entry=0x555ff1c86330 [GtkDrawingArea], event=event@entry=0x555ff1c864a0) at ./gtk/gtkwidget.c:5017
signal_num =
return_val = 0
#8 0x00007f6424098747 in IA__gtk_widget_event (widget=widget@entry=0x555ff1c86330 [GtkDrawingArea], event=event@entry=0x555ff1c864a0) at ./gtk/gtkwidget.c:4814
__func__ = "IA__gtk_widget_event"
#9 0x00007f6423f0743a in gtk_drawing_area_send_configure (darea=0x555ff1c86330 [GtkDrawingArea]) at ./gtk/gtkdrawingarea.c:148
widget = 0x555ff1c86330 [GtkDrawingArea]
event = 0x555ff1c864a0
#10 0x00007f6423f07525 in gtk_drawing_area_realize (widget=0x555ff1c86330 [GtkDrawingArea]) at ./gtk/gtkdrawingarea.c:110
darea = 0x555ff1c86330 [GtkDrawingArea]
attributes = {title = 0x7f64248c1a90 "", event_mask = 2106126, x = 0, y = 0, width = 182, height = 113, wclass = GDK_INPUT_OUTPUT, visual = 0x555ff1c36360 [GdkVisual], colormap = 0x555ff1c6a840 [GdkColormap], window_type = GDK_WINDOW_CHILD, cursor = 0x7f642397c4a8 <g_value_peek_pointer+56>, wmclass_name = 0x555ff1c73520 "\002", wmclass_class = 0x7f6423956cac <g_cclosure_marshal_VOID__VOID+60> "H\205\355I\211\304H\213s\020t$[L\211\347H\211\350]A\\\377\340\017\037@", override_redirect = -238602976, type_hint = 21855}
attributes_mask =
#14 0x00007f642396ffaf in <emit signal ??? on instance 0x555ff1c86330 [GtkDrawingArea]> (instance=instance@entry=0x555ff1c86330, signal_id=, detail=detail@entry=0) at ././gobject/gsignal.c:3447
var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7ffdc1b3c390, reg_save_area = 0x7ffdc1b3c2d0}}
#11 0x00007f6423954f75 in g_closure_invoke (closure=closure@entry=0x555ff1c73520, return_value=return_value@entry=0x0, n_param_values=1, param_values=param_values@entry=0x7ffdc1b3c100, invocation_hint=invocation_hint@entry=0x7ffdc1b3c080) at ././gobject/gclosure.c:804
marshal =
marshal_data =
in_marshal = 0
real_closure = 0x555ff1c73500
__func__ = "g_closure_invoke"
#12 0x00007f642396695c in signal_emit_unlocked_R (node=node@entry=0x555ff1c73550, detail=detail@entry=0, instance=instance@entry=0x555ff1c86330, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7ffdc1b3c100) at ././gobject/gsignal.c:3565
accumulator = 0x0
emission = {next = 0x7ffdc1b3c520, instance = 0x555ff1c86330, ihint = {signal_id = 16, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 93870566704656}
handler_list =
return_accu = 0x0
accu = {g_type = 0, 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}}}
signal_id = 16
max_sequential_handler_number = 18
return_value_altered =
#13 0x00007f642396fbcc in g_signal_emit_valist (instance=, signal_id=, detail=, var_args=var_args@entry=0x7ffdc1b3c2b0) at ././gobject/gsignal.c:3391
instance_and_params = 0x7ffdc1b3c100
signal_return_type =
param_values = 0x7ffdc1b3c118
i =
n_params =
__func__ = "g_signal_emit_valist"
#15 0x00007f642409e744 in IA__gtk_widget_realize (widget=widget@entry=0x555ff1c86330 [GtkDrawingArea]) at ./gtk/gtkwidget.c:3561
mode =
shape_info =
__func__ = "IA__gtk_widget_realize"
#16 0x00007f642409e948 in IA__gtk_widget_map (widget=0x555ff1c86330 [GtkDrawingArea]) at ./gtk/gtkwidget.c:3435
__func__ = "IA__gtk_widget_map"
#17 0x00007f6423ed045a in gtk_box_forall (container=0x555ff1c85180 [GtkVBox], include_internals=, callback=0x7f6423f00cd0 <gtk_container_map_child>, callback_data=0x0) at ./gtk/gtkbox.c:1251
box = 0x555ff1c85180 [GtkVBox]
child =
children = 0x0
#18 0x00007f6423f03def in gtk_container_map (widget=0x555ff1c85180 [GtkVBox]) at ./gtk/gtkcontainer.c:2684
#22 0x00007f642396ffaf in <emit signal ??? on instance 0x555ff1c85180 [GtkVBox]> (instance=instance@entry=0x555ff1c85180, signal_id=, detail=detail@entry=0) at ././gobject/gsignal.c:3447
var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7ffdc1b3c840, reg_save_area = 0x7ffdc1b3c780}}
#19 0x00007f6423954ecf in g_closure_invoke (closure=closure@entry=0x555ff1c50480, return_value=return_value@entry=0x0, n_param_values=1, param_values=param_values@entry=0x7ffdc1b3c5b0, invocation_hint=invocation_hint@entry=0x7ffdc1b3c530) at ././gobject/gclosure.c:804
marshal =
marshal_data =
in_marshal = 1
real_closure = 0x555ff1c50460
__func__ = "g_closure_invoke"
#20 0x00007f642396695c in signal_emit_unlocked_R (node=node@entry=0x555ff1c712b0, detail=detail@entry=0, instance=instance@entry=0x555ff1c85180, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7ffdc1b3c5b0) at ././gobject/gsignal.c:3565
accumulator = 0x0
emission = {next = 0x7ffdc1b3c9a0, instance = 0x555ff1c85180, ihint = {signal_id = 14, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 93870566704320}
handler_list =
return_accu = 0x0
accu = {g_type = 0, 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}}}
signal_id = 14
max_sequential_handler_number = 18
return_value_altered =
#21 0x00007f642396fbcc in g_signal_emit_valist (instance=, signal_id=, detail=, var_args=var_args@entry=0x7ffdc1b3c760) at ././gobject/gsignal.c:3391
instance_and_params = 0x7ffdc1b3c5b0
signal_return_type =
param_values = 0x7ffdc1b3c5c8
i =
n_params =
__func__ = "g_signal_emit_valist"
#23 0x00007f642409e91e in IA__gtk_widget_map (widget=0x555ff1c85180 [GtkVBox]) at ./gtk/gtkwidget.c:3437
__func__ = "IA__gtk_widget_map"
#24 0x00007f64240af0b2 in gtk_window_map (widget=0x555ff1c7f0b0 [GtkWindow]) at ./gtk/gtkwindow.c:4591
window = 0x555ff1c7f0b0 [GtkWindow]
priv = 0x555ff1c7f090
toplevel =
auto_mnemonics = 21855
#28 0x00007f642396ffaf in <emit signal ??? on instance 0x555ff1c7f0b0 [GtkWindow]> (instance=instance@entry=0x555ff1c7f0b0, signal_id=, detail=detail@entry=0) at ././gobject/gsignal.c:3447
var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7ffdc1b3ccc0, reg_save_area = 0x7ffdc1b3cc00}}
#25 0x00007f6423954f75 in g_closure_invoke (closure=closure@entry=0x555ff1c50480, return_value=return_value@entry=0x0, n_param_values=1, param_values=param_values@entry=0x7ffdc1b3ca30, invocation_hint=invocation_hint@entry=0x7ffdc1b3c9b0) at ././gobject/gclosure.c:804
marshal =
marshal_data =
in_marshal = 0
real_closure = 0x555ff1c50460
__func__ = "g_closure_invoke"
#26 0x00007f642396695c in signal_emit_unlocked_R (node=node@entry=0x555ff1c712b0, detail=detail@entry=0, instance=instance@entry=0x555ff1c7f0b0, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7ffdc1b3ca30) at ././gobject/gsignal.c:3565
accumulator = 0x0
emission = {next = 0x7ffdc1b3ce80, instance = 0x555ff1c7f0b0, ihint = {signal_id = 14, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 93870566608592}
handler_list =
return_accu = 0x0
accu = {g_type = 0, 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}}}
signal_id = 14
max_sequential_handler_number = 18
return_value_altered =
#27 0x00007f642396fbcc in g_signal_emit_valist (instance=, signal_id=, detail=, var_args=var_args@entry=0x7ffdc1b3cbe0) at ././gobject/gsignal.c:3391
instance_and_params = 0x7ffdc1b3ca30
signal_return_type =
param_values = 0x7ffdc1b3ca48
i =
n_params =
__func__ = "g_signal_emit_valist"
#29 0x00007f642409e91e in IA__gtk_widget_map (widget=0x555ff1c7f0b0 [GtkWindow]) at ./gtk/gtkwidget.c:3437
__func__ = "IA__gtk_widget_map"
#30 0x00007f64240a8d5e in gtk_window_show (widget=0x555ff1c7f0b0 [GtkWindow]) at ./gtk/gtkwindow.c:4555
window = 0x555ff1c7f0b0 [GtkWindow]
container = 0x555ff1c7f0b0 [GtkWindow]
need_resize =
#34 0x00007f642396ffaf in <emit signal ??? on instance 0x555ff1c7f0b0 [GtkWindow]> (instance=instance@entry=0x555ff1c7f0b0, signal_id=, detail=detail@entry=0) at ././gobject/gsignal.c:3447
var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7ffdc1b3d1a0, reg_save_area = 0x7ffdc1b3d0e0}}
#31 0x00007f6423954f75 in g_closure_invoke (closure=closure@entry=0x555ff1c50220, return_value=return_value@entry=0x0, n_param_values=1, param_values=param_values@entry=0x7ffdc1b3cf10, invocation_hint=invocation_hint@entry=0x7ffdc1b3ce90) at ././gobject/gclosure.c:804
marshal =
marshal_data =
in_marshal = 0
real_closure = 0x555ff1c50200
__func__ = "g_closure_invoke"
#32 0x00007f642396695c in signal_emit_unlocked_R (node=node@entry=0x555ff1c50290, detail=detail@entry=0, instance=instance@entry=0x555ff1c7f0b0, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7ffdc1b3cf10) at ././gobject/gsignal.c:3565
accumulator = 0x0
emission = {next = 0x0, instance = 0x555ff1c7f0b0, ihint = {signal_id = 12, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 93870566608592}
handler_list =
return_accu = 0x0
accu = {g_type = 0, 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}}}
signal_id = 12
max_sequential_handler_number = 18
return_value_altered =
#33 0x00007f642396fbcc in g_signal_emit_valist (instance=, signal_id=, detail=, var_args=var_args@entry=0x7ffdc1b3d0c0) at ././gobject/gsignal.c:3391
instance_and_params = 0x7ffdc1b3cf10
signal_return_type =
param_values = 0x7ffdc1b3cf28
i =
n_params =
__func__ = "g_signal_emit_valist"
#35 0x00007f642409dea6 in IA__gtk_widget_show (widget=0x555ff1c7f0b0 [GtkWindow]) at ./gtk/gtkwidget.c:3243
widget = 0x555ff1c7f0b0 [GtkWindow]
#36 0x0000555ff194dc50 in main (argc=, argv=) at sawfishpager.c:162
vbox =
(gdb) quit