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bug#30874: 27.0.50; Emacs crashes
From: |
Eli Zaretskii |
Subject: |
bug#30874: 27.0.50; Emacs crashes |
Date: |
Thu, 22 Mar 2018 16:55:09 +0200 |
> From: Jan Synacek <jsynacek@redhat.com>
> Date: Thu, 22 Mar 2018 14:05:26 +0100
> Cc: 30874@debbugs.gnu.org
>
> > What about adding the -xrm "emacs.synchronous: true" switch to the
> > Emacs invocation command -- does it also not work?
>
> As far as I can tell, no. I still see the emacs frame remain open but
> unresponsive and also see the same backtrace as before.
Exactly the same backtrace? The backtrace you posted:
#19 0x00000000004c2fcb in x_error_handler (display=0x2c59000,
event=0x7fffffff5d40) at xterm.c:9889
#20 0x00007ffff469ce3a in _XError () at /lib64/libX11.so.6
#21 0x00007ffff4699d6b in handle_error () at /lib64/libX11.so.6
---Type <return> to continue, or q <return> to quit---
#22 0x00007ffff4699e15 in handle_response () at /lib64/libX11.so.6
#23 0x00007ffff469a745 in _XEventsQueued () at /lib64/libX11.so.6
#24 0x00007ffff468c2bd in XPending () at /lib64/libX11.so.6
#25 0x00007ffff64f2c2e in gdk_event_source_prepare () at /lib64/libgdk-3.so.0
#26 0x00007ffff4e033f9 in g_main_context_prepare () at /lib64/libglib-2.0.so.0
#27 0x00007ffff4e03dcb in g_main_context_iterate.isra () at
/lib64/libglib-2.0.so.0
#28 0x00007ffff4e03f57 in g_main_context_pending () at /lib64/libglib-2.0.so.0
#29 0x00007ffff69b2d1d in gtk_events_pending () at /lib64/libgtk-3.so.0
#30 0x00000000004bfee7 in XTread_socket (terminal=<optimized out>,
hold_quit=0x7fffffff6040) at xterm.c:9146
#31 0x00000000004f7301 in gobble_input () at keyboard.c:6890
#32 0x00000000004f7925 in handle_async_input () at keyboard.c:7127
#33 0x00000000004f7925 in process_pending_signals () at keyboard.c:7141
#34 0x00000000005c8e5c in xftfont_open (f=0x13f0c30
<bss_sbrk_buffer+8312368>, entity=0x1243cb5 <bss_sbrk_buffer+6555317>,
pixel_size=15) at xftfont.c:391
indicates that the X error message was read when Emacs unblocked input
in xftfont_open, and read pending input. In synchronous X operation,
the call to x_error_handler should come from an X function, not from
process_pending_signals. I hoped that seeing the X function that
caused the error will allow us to understand better what is causing
the problem. If you still see exactly the same backtrace in
synchronous X operation, then I don't see any path forward, except
saying that telling Emacs Dejavu Sans Mono can cover the entire
Unicode range of characters is not recommended. (But when I did that
with a couple of fonts here, Emacs didn't crash.) It could be a
problem in the font backend you use, or it could be something else.
Thanks.
- bug#30874: 27.0.50; Emacs crashes, Jan Synacek, 2018/03/20
- bug#30874: 27.0.50; Emacs crashes, Eli Zaretskii, 2018/03/20
- bug#30874: 27.0.50; Emacs crashes, Jan Synacek, 2018/03/20
- bug#30874: 27.0.50; Emacs crashes, Eli Zaretskii, 2018/03/20
- bug#30874: 27.0.50; Emacs crashes, Jan Synacek, 2018/03/22
- bug#30874: 27.0.50; Emacs crashes, Eli Zaretskii, 2018/03/22
- bug#30874: 27.0.50; Emacs crashes, Jan Synacek, 2018/03/22
- bug#30874: 27.0.50; Emacs crashes,
Eli Zaretskii <=
- bug#30874: 27.0.50; Emacs crashes, Jan Synacek, 2018/03/26
- bug#30874: 27.0.50; Emacs crashes, Robert Pluim, 2018/03/26
- bug#30874: 27.0.50; Emacs crashes, Eli Zaretskii, 2018/03/26
- bug#30874: 27.0.50; Emacs crashes, Robert Pluim, 2018/03/26
- bug#30874: 27.0.50; Emacs crashes, Eli Zaretskii, 2018/03/26
- bug#30874: 27.0.50; Emacs crashes, Robert Pluim, 2018/03/26
- bug#30874: 27.0.50; Emacs crashes, Robert Pluim, 2018/03/26
- bug#30874: 27.0.50; Emacs crashes, Eli Zaretskii, 2018/03/26
- bug#30874: 27.0.50; Emacs crashes, Robert Pluim, 2018/03/27
- bug#30874: 27.0.50; Emacs crashes, Eli Zaretskii, 2018/03/29