From: Werner LEMBERG <wl@gnu.org>
To: eliz@gnu.org
Cc: 31316@debbugs.gnu.org
Subject: bug#31316: Emacs hangs in `font_open_entity'
Date: Tue, 08 May 2018 22:20:27 +0200 (CEST) [thread overview]
Message-ID: <20180508.222027.1883638416377893055.wl@gnu.org> (raw)
In-Reply-To: <83muxescqc.fsf@gnu.org>
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>> The font is called `emmentaler-brace.otf' (part of lilypond,
>> containing system braces for musical scores). However, I wonder
>> how this font can ever be considered as a fallback, since its SFNT
>> (3,1) Unicode cmap contains only PUA character codes in the range
>> 0xe100-0xe33f (and `fc-list -v' correctly lists that). In other
>> words, this font definitely doesn't contain anything relevant to
>> the CJK character codes originally reported.
>
> I asked for a backtrace from that loop:
>
>> Please show a C-level backtrace from a breakpoint in that loop.
>> And if the breakpoint breaks more than once when you do nothing
>> after invoking Emacs as shown in your OP, please show the
>> backtraces from all the times that breakpoint breaks.
>>
>> Maybe looking at the backtrace will help us understand why Emacs
>> attempts to open that font.
>
> Can you please produce that? I'd like to close this bug report, but
> maybe the backtrace will show us that something else should be done
> here.
Attached. It contains all breaks between loading the test file in
GB18030 encoding and displaying something on screen.
This is still emacs bca6c434 (Apr 29).
Calling `pp entity' at each break shows the following fonts.
#<font-entity xft 1ASC Droid\ Sans\ Fallback nil iso10646-1 normal normal normal 0 nil nil 0 ((:font-entity "/usr/share/fonts/truetype/DroidSansFallbackFull.ttf" . 0))>
#<font-entity xft ADBO Source\ Code\ Pro nil iso10646-1 normal normal normal 0 nil 100 0 ((:font-entity "/usr/share/fonts/truetype/SourceCodePro-Regular.otf" . 0))>
#<font-entity xft PfEd Emmentaler-Brace nil iso10646-1 normal normal normal 0 nil 100 0 ((:font-entity "/home/wl/.fonts/texlive/opentype/public/lilyglyphs/emmentaler-brace.otf" . 0))>
#<font-entity xft ADBO Source\ Code\ Pro nil iso10646-1 normal normal normal 0 nil 100 0 ((:font-entity "/usr/share/fonts/truetype/SourceCodePro-Regular.otf" . 0))>
#<font-entity xft PfEd Emmentaler-Brace nil iso10646-1 normal normal normal 0 nil 100 0 ((:font-entity "/home/wl/.fonts/texlive/opentype/public/lilyglyphs/emmentaler-brace.otf" . 0))>
#<font-entity xft ADBO Source\ Code\ Pro nil iso10646-1 normal normal normal 0 nil 100 0 ((:font-entity "/usr/share/fonts/truetype/SourceCodePro-Regular.otf" . 0))>
#<font-entity xft PfEd Emmentaler-Brace nil iso10646-1 normal normal normal 0 nil 100 0 ((:font-entity "/home/wl/.fonts/texlive/opentype/public/lilyglyphs/emmentaler-brace.otf" . 0))>
#<font-entity xft PfEd Emmentaler-Brace nil iso10646-1 normal normal normal 0 nil 100 0 ((:font-entity "/home/wl/.fonts/texlive/opentype/public/lilyglyphs/emmentaler-brace.otf" . 0))>
#<font-entity xft PfEd Emmentaler-Brace nil iso10646-1 normal normal normal 0 nil 100 0 ((:font-entity "/home/wl/.fonts/texlive/opentype/public/lilyglyphs/emmentaler-brace.otf" . 0))>
#<font-entity xft PfEd Emmentaler-Brace nil iso10646-1 normal normal normal 0 nil 100 0 ((:font-entity "/home/wl/.fonts/texlive/opentype/public/lilyglyphs/emmentaler-brace.otf" . 0))>
Werner
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next prev parent reply other threads:[~2018-05-08 20:20 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-30 8:13 bug#31316: Emacs hangs in `font_open_entity' Werner LEMBERG
2018-04-30 8:16 ` Werner LEMBERG
2018-04-30 15:21 ` Eli Zaretskii
2018-04-30 17:22 ` Werner LEMBERG
2018-04-30 19:44 ` Eli Zaretskii
2018-04-30 20:20 ` Werner LEMBERG
2018-05-01 15:06 ` Eli Zaretskii
2018-05-05 8:55 ` Eli Zaretskii
2018-05-08 20:20 ` Werner LEMBERG [this message]
2018-05-08 20:49 ` Werner LEMBERG
2019-11-17 8:23 ` Lars Ingebrigtsen
2019-11-17 15:55 ` Eli Zaretskii
2019-11-17 16:05 ` Lars Ingebrigtsen
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