GNU bug report logs - #56559
29.0.50; Invalid CGContextSaveState on NS

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From: help-debbugs <at> gnu.org (GNU bug Tracking System)
To: Gerd Möllmann <gerd.moellmann <at> gmail.com>
Subject: bug#56559: closed (Re: bug#56559: 29.0.50; Invalid
 CGContextSaveState on NS)
Date: Sat, 16 Jul 2022 03:06:02 +0000

[Message part 1 (text/plain, inline)]

Your bug report

#56559: 29.0.50; Invalid CGContextSaveState on NS

which was filed against the emacs package, has been closed.

The explanation is attached below, along with your original report.
If you require more details, please reply to 56559 <at> debbugs.gnu.org.

-- 
56559: https://debbugs.gnu.org/cgi/bugreport.cgi?bug=56559
GNU Bug Tracking System
Contact help-debbugs <at> gnu.org with problems

[Message part 2 (message/rfc822, inline)]

From: Po Lu <luangruo <at> yahoo.com>
To: Gerd Möllmann <gerd.moellmann <at> gmail.com>
Cc: 56559-done <at> debbugs.gnu.org
Subject: Re: bug#56559: 29.0.50; Invalid CGContextSaveState on NS
Date: Sat, 16 Jul 2022 11:05:36 +0800

Gerd Möllmann <gerd.moellmann <at> gmail.com> writes:

> Works for me.  Thanks!

Great, then I'm closing this bug.

[Message part 3 (message/rfc822, inline)]

From: Gerd Möllmann <gerd.moellmann <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 29.0.50; Invalid CGContextSaveState on NS
Date: Thu, 14 Jul 2022 17:08:03 +0200

In GNU Emacs 29.0.50 (build 1, aarch64-apple-darwin21.5.0, NS appkit-2113.50 Version 12.4 (Build 21F79))
 of 2022-07-12 built on Mini.fritz.box
Repository revision: f209650e41d59356a90b5a602abc60c6783bc7b1
Repository branch: master
Windowing system distributor 'Apple', version 10.3.2113
System Description:  macOS 12.4

Configured using:
 'configure --with-native-compilation'

At various times, Emacs prints

2022-07-14 16:55:41.722952+0200 emacs[65244:294257] [emacs] CGContextSaveGState:
invalid context 0x0. If you want to see the backtrace, please set
CG_CONTEXT_SHOW_BACKTRACE environmental variable.

to the terminal from which it is started.  Setting the env variable,
gives the backtrace

2022-07-14 16:56:29.249179+0200 emacs[65299:295037] [emacs] CGContextSetLineJoin: invalid context 0x0. Backtrace:
  <+[NSBezierPath strokeRect:]+136>
   <ns_draw_window_cursor+5448>
    <display_and_set_cursor+4532>
     <update_window_cursor+1556>
      <update_cursor_in_window_tree+444>
       <gui_update_cursor+100>
        <ns_set_cursor_color+1140>
         <gui_set_frame_parameters+15768>
          <Fmodify_frame_parameters+856>
           <Finternal_set_lisp_face_attribute+54152>
  

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