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bug#15788: 24.3.50; Can't change the default face's attributes


From: Jan Djärv
Subject: bug#15788: 24.3.50; Can't change the default face's attributes
Date: Sat, 02 Nov 2013 13:12:25 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.1.0

Hello.

2013-11-02 12:54, Eli Zaretskii skrev:
From: Jan Djärv <address@hidden>
Date: Sat, 2 Nov 2013 09:02:23 +0100
Cc: address@hidden

Fixed.

        Jan D.

2 nov 2013 kl. 05:22 skrev Dmitry Gutov <address@hidden>:

Specifically, this code does nothing, irrespective of values of height
and family:

(set-face-attribute 'default nil :height 105 :family "Fira Mono")

'bzr bisect' points to revision 114895
(address@hidden)


In GNU Emacs 24.3.50.1 (x86_64-unknown-linux-gnu, GTK+ Version 3.6.4)
of 2013-11-02 on axl
Bzr revision: 114899 address@hidden
Windowing system distributor `The X.Org Foundation', version 11.0.11303000
System Description:     Ubuntu 13.04

Unfortunately, the fix breaks the w32 build: it hits assertion
violation at startup.  The details are below.  Let me know how can I
help you debug this.


What is the value of attrs[LFACE_DISTANT_FOREGROUND_INDEX])?

        Jan D.

   xfaces.c:1810: Emacs fatal error: assertion failed: UNSPECIFIEDP 
(attrs[LFACE_DISTANT_FOREGROUND_INDEX]) || IGNORE_DEFFACE_P 
(attrs[LFACE_DISTANT_FOREGROUND_INDEX]) || STRINGP 
(attrs[LFACE_DISTANT_FOREGROUND_INDEX])

   Breakpoint 1, terminate_due_to_signal (sig=22, backtrace_limit=2147483647)
       at emacs.c:350
   350       signal (sig, SIG_DFL);
   (gdb) bt
   #0  terminate_due_to_signal (sig=22, backtrace_limit=2147483647)
       at emacs.c:350
   #1  0x0115b5bc in die (
       msg=0x148e7e4 <DEFAULT_REHASH_SIZE+3612> "UNSPECIFIEDP 
(attrs[LFACE_DISTANT_FOREGROUND_INDEX]) || IGNORE_DEFFACE_P 
(attrs[LFACE_DISTANT_FOREGROUND_INDEX]) || STRINGP 
(attrs[LFACE_DISTANT_FOREGROUND_INDEX])",
       file=0x148d9d0 <DEFAULT_REHASH_SIZE+8> "xfaces.c", line=1810)
       at alloc.c:6698
   #2  0x010d6a49 in check_lface_attrs (attrs=0x379ab54) at xfaces.c:1808
   #3  0x010d6cc8 in check_lface (lface=58305365) at xfaces.c:1842
   #4  0x010de9c9 in realize_default_face (f=0x35a74b8) at xfaces.c:5381
   #5  0x010de16c in realize_basic_faces (f=0x35a74b8) at xfaces.c:5247
   #6  0x010d43a3 in recompute_basic_faces (f=0x35a74b8) at xfaces.c:735
   #7  0x010247e6 in init_iterator (it=0x82e650, w=0x35a7720, charpos=1,
       bytepos=1, row=0x0, base_face_id=DEFAULT_FACE_ID) at xdisp.c:2706
   #8  0x01039452 in resize_mini_window (w=0x35a7720, exact_p=1) at 
xdisp.c:10406
   #9  0x01011162 in do_switch_frame (frame=57293069, track=1, for_deletion=0,
       norecord=56191026) at frame.c:832
   #10 0x010116e0 in Fselect_frame (frame=57293069, norecord=56191026)
       at frame.c:885
   #11 0x010800b9 in select_frame_norecord (frame=57293069) at window.c:3061
   #12 0x01080247 in run_window_configuration_change_hook (f=0x36a3908)
       at window.c:3085
   #13 0x011ed565 in x_set_tool_bar_lines (f=0x36a3908, value=4, 
oldval=56191002)
       at w32fns.c:1717
   #14 0x0101649e in x_set_frame_parameters (f=0x36a3908, alist=56191002)
       at frame.c:2801
   #15 0x0101924d in x_default_parameter (f=0x36a3908, alist=56171710,
       prop=56334746, deflt=4, xprop=0x0, xclass=0x0, type=RES_TYPE_NUMBER)
       at frame.c:3821
   #16 0x011f3599 in Fx_create_frame (parameters=56171710) at w32fns.c:4491

   Lisp Backtrace:
   "x-create-frame" (0x82f288)
   "x-create-frame-with-faces" (0x82f488)
   "make-frame" (0x82f688)
   "frame-initialize" (0x82f888)
   "command-line" (0x82fabc)
   "normal-top-level" (0x82fc70)
   (gdb) frame 2
   #2  0x010d6a49 in check_lface_attrs (attrs=0x379ab54) at xfaces.c:1808
   1808      eassert (UNSPECIFIEDP (attrs[LFACE_DISTANT_FOREGROUND_INDEX])
   (gdb) l
   1803               || IGNORE_DEFFACE_P (attrs[LFACE_INVERSE_INDEX])
   1804               || SYMBOLP (attrs[LFACE_INVERSE_INDEX]));
   1805      eassert (UNSPECIFIEDP (attrs[LFACE_FOREGROUND_INDEX])
   1806               || IGNORE_DEFFACE_P (attrs[LFACE_FOREGROUND_INDEX])
   1807               || STRINGP (attrs[LFACE_FOREGROUND_INDEX]));
   1808      eassert (UNSPECIFIEDP (attrs[LFACE_DISTANT_FOREGROUND_INDEX])
   1809               || IGNORE_DEFFACE_P 
(attrs[LFACE_DISTANT_FOREGROUND_INDEX])
   1810               || STRINGP (attrs[LFACE_DISTANT_FOREGROUND_INDEX]));
   1811      eassert (UNSPECIFIEDP (attrs[LFACE_BACKGROUND_INDEX])
   1812               || IGNORE_DEFFACE_P (attrs[LFACE_BACKGROUND_INDEX])
   (gdb) p attrs[LFACE_DISTANT_FOREGROUND_INDEX]
   $1 = 56191002
   (gdb) xtype
   Lisp_Symbol
   (gdb) xsymbol
   $2 = (struct Lisp_Symbol *) 0x3596818
   "nil"







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